/* ========================================================================== Nocturne — course platform One stylesheet, no build step. Light theme by default, dark on toggle. The theme is chosen server-side from a cookie and stamped on as data-theme, so the first paint is already correct — no flash, and no inline script (which the CSP forbids anyway). Layout order: 1. Tokens 2. Base 3. Utilities 4. Shells 5. Components 6. Pages 7. Player 8. Certificate 9. Admin 10. Responsive 11. Print ========================================================================== */ /* 1. Tokens ─────────────────────────────────────────────────────────────── */ :root, [data-theme="light"] { --color-bg: #ffffff; --page-bg: #ffffff; --color-surface: #ffffff; --color-surface-2: #f7f9fa; --color-sunken: #f7f9fa; --color-text: #1c1d1f; --color-divider: #d1d7dc; /* Neutral ramp runs dark→light in this theme: 100 is the strongest ink. */ --color-neutral-100: #1c1d1f; --color-neutral-200: #2d2f31; --color-neutral-300: #3e4143; --color-neutral-400: #6a6f73; --color-neutral-500: #8a8f95; --color-neutral-600: #a1a7b3; --color-neutral-700: #d1d7dc; --color-neutral-800: #e4e8eb; --color-neutral-900: #f7f9fa; --color-accent: #a435f0; --color-accent-100: #f5ecff; --color-accent-200: #e5cdff; --color-accent-300: #c98cff; --color-accent-400: #b660f5; --color-accent-500: #a435f0; --color-accent-600: #8710d8; --color-accent-700: #6d0aad; --color-accent-800: #4d0880; --color-accent-900: #2e0550; --color-accent-ink: #8710d8; /* accent text on the page ground */ --color-on-accent: #ffffff; /* text on a solid accent fill */ --color-accent-soft: #f5ecff; /* tinted fill: tags, active rows */ --color-accent-soft-ink: #8710d8; --ok-bg: #dcfce7; --ok-border: #16a34a; --ok-ink: #166534; --warn-bg: #fef3c7; --warn-border: #d97706; --warn-ink: #92400e; --bad-bg: #fee2e2; --bad-border: #dc2626; --bad-ink: #991b1b; --side-bg: #f7f9fa; --video-bg: #0b0d0f; --shadow-sm: 0 1px 2px rgba(0, 0, 0, .06); --shadow-md: 0 2px 4px rgba(0, 0, 0, .08), 0 4px 12px rgba(0, 0, 0, .05); --shadow-lg: 0 10px 30px -10px rgba(0, 0, 0, .15), 0 4px 12px rgba(0, 0, 0, .08); --hero-glow: radial-gradient(60% 50% at 50% 0%, rgba(164, 53, 240, .05) 0%, transparent 70%); color-scheme: light; } [data-theme="dark"] { --color-bg: #0b0d0f; --page-bg: #07090b; --color-surface: #14181c; --color-surface-2: #1c2126; --color-sunken: #151a1f; --color-text: #e8ecef; --color-divider: #232830; --color-neutral-100: #f4f6f7; --color-neutral-200: #d9dee2; --color-neutral-300: #b4bcc2; --color-neutral-400: #8b949c; --color-neutral-500: #6b7480; --color-neutral-600: #4a525c; --color-neutral-700: #333940; --color-neutral-800: #232830; --color-neutral-900: #151a1f; --color-accent: #c98cff; --color-accent-ink: #c98cff; --color-on-accent: #0b0d0f; --color-accent-soft: color-mix(in srgb, #c98cff 20%, transparent); --color-accent-soft-ink: #ffffff; --ok-bg: rgba(22, 163, 74, .2); --ok-border: #22c55e; --ok-ink: #bbf7d0; --warn-bg: rgba(217, 119, 6, .2); --warn-border: #f59e0b; --warn-ink: #fde68a; --bad-bg: rgba(220, 38, 38, .2); --bad-border: #ef4444; --bad-ink: #fecaca; --side-bg: #1c2126; --video-bg: #05060c; --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4); --shadow-md: 0 4px 16px rgba(0, 0, 0, .35), 0 1px 2px rgba(0, 0, 0, .3); --shadow-lg: 0 20px 60px -20px rgba(0, 0, 0, .6), 0 8px 24px -12px rgba(0, 0, 0, .4); --hero-glow: radial-gradient(60% 50% at 50% 0%, rgba(201, 140, 255, .12) 0%, transparent 70%); color-scheme: dark; } :root { --font-heading: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; --font-serif: Georgia, "Times New Roman", serif; --radius-sm: 4px; --radius-md: 8px; --radius-lg: 14px; --nav-height: 64px; --page-max: 1200px; --gutter: 24px; } /* 2. Base ───────────────────────────────────────────────────────────────── */ *, *::before, *::after { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; background: var(--page-bg); } body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--page-bg); color: var(--color-text); font: 400 15px/1.55 var(--font-body); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } main { flex: 1 0 auto; } h1, h2, h3, h4, h5, h6 { margin: 0 0 8px; font-family: var(--font-heading); font-weight: 600; line-height: 1.15; letter-spacing: -0.015em; color: var(--color-neutral-100); } p { margin: 0 0 12px; } p:last-child { margin-bottom: 0; } a { color: var(--color-accent-ink); text-decoration: none; text-underline-offset: 3px; } a:hover { text-decoration: underline; } img { display: block; max-width: 100%; height: auto; } svg { display: block; } :focus { outline: none; } :focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: 4px; } ::selection { background: color-mix(in srgb, var(--color-accent) 28%, transparent); } .skip-link { position: absolute; left: -9999px; top: 8px; z-index: 999; padding: 10px 16px; border-radius: var(--radius-md); background: var(--color-accent); color: var(--color-on-accent); font-weight: 600; } .skip-link:focus { left: 8px; } /* 3. Utilities ──────────────────────────────────────────────────────────── */ .row { display: flex; } .col { display: flex; flex-direction: column; } .g1 { gap: 4px; } .g2 { gap: 8px; } .g3 { gap: 12px; } .g4 { gap: 16px; } .g5 { gap: 20px; } .g6 { gap: 24px; } .g8 { gap: 32px; } .between { justify-content: space-between; align-items: center; } .center { align-items: center; justify-content: center; } .items-center { align-items: center; } .items-start { align-items: flex-start; } .grow { flex: 1; min-width: 0; } .wrap { flex-wrap: wrap; } .hidden { display: none !important; } .muted { color: var(--color-neutral-400); } .dim { color: var(--color-neutral-500); } .accent { color: var(--color-accent-ink); } .small { font-size: 12.5px; color: var(--color-neutral-500); line-height: 1.5; } .body { font-size: 14px; line-height: 1.55; color: var(--color-neutral-300); } .mono { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.02em; } .nowrap { white-space: nowrap; } .truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .h1 { font: 600 28px/1.2 var(--font-heading); letter-spacing: -0.02em; margin: 0; color: var(--color-neutral-100); } .h2 { font: 600 20px/1.25 var(--font-heading); letter-spacing: -0.01em; margin: 0; color: var(--color-neutral-100); } .h3 { font: 600 15px/1.3 var(--font-heading); margin: 0; color: var(--color-neutral-100); } .hr-fade { height: 1px; border: none; margin: 0; background: linear-gradient(90deg, transparent 0, var(--color-divider) 48px, var(--color-divider) calc(100% - 48px), transparent 100%); } .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; } /* 4. Shells ─────────────────────────────────────────────────────────────── */ .page { width: 100%; max-width: var(--page-max); margin: 0 auto; padding-inline: var(--gutter); } .section { padding-block: 48px; } .section-tight { padding-block: 28px; } .surface-2 { background: var(--color-surface-2); } .topnav { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; height: var(--nav-height); padding-inline: var(--gutter); border-bottom: 1px solid var(--color-divider); background: color-mix(in srgb, var(--color-bg) 92%, transparent); backdrop-filter: saturate(140%) blur(10px); } .topnav-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; max-width: var(--page-max); margin: 0 auto; } .brand { display: inline-flex; align-items: center; gap: 10px; font: 600 17px var(--font-heading); letter-spacing: -0.01em; color: var(--color-neutral-100); } .brand:hover { text-decoration: none; } .brand-mark { position: relative; flex: none; width: 22px; height: 22px; border-radius: 6px; background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-700) 100%); box-shadow: 0 0 24px -6px var(--color-accent-500); } .brand-mark::after { content: ""; position: absolute; inset: 27%; border: 1.5px solid #fff; border-radius: 2px; opacity: .9; } .brand-mark-lg { width: 36px; height: 36px; border-radius: 10px; } .nav-links { display: flex; align-items: center; gap: 24px; font: 500 14px var(--font-body); } .nav-links a { color: var(--color-neutral-300); } .nav-links a:hover { color: var(--color-accent-ink); text-decoration: none; } .nav-links a[aria-current="page"] { color: var(--color-accent-ink); } /* Buttons inside the nav keep their own colours over the link rules. */ .nav-links a.b-primary { color: var(--color-accent-ink); } .nav-links a.b-primary:hover { color: var(--color-on-accent); } .nav-avatar { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 32px; height: 32px; border-radius: 50%; background: var(--color-accent-soft); color: var(--color-accent-soft-ink); border: 1px solid var(--color-accent-300); font: 600 12px var(--font-body); } .nav-links a.nav-avatar { color: var(--color-accent-soft-ink); } .nav-avatar:hover { text-decoration: none; } /* Theme toggle. The label flips via the data-theme selector, so the button is correct on first paint with no script involved. */ .theme-btn { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--color-divider); background: transparent; color: var(--color-text); font: 500 12.5px var(--font-body); letter-spacing: .01em; cursor: pointer; } .theme-btn:hover { border-color: var(--color-accent); color: var(--color-accent-ink); } .theme-btn .ti { display: inline-flex; width: 14px; justify-content: center; font-size: 13px; line-height: 1; } .theme-btn .ti-sun, [data-theme="dark"] .theme-btn .ti-moon { display: none; } [data-theme="dark"] .theme-btn .ti-sun { display: inline-flex; } .theme-btn .tt-txt::after { content: "Dark"; } [data-theme="dark"] .theme-btn .tt-txt::after { content: "Light"; } /* Mobile menu — a checkbox, so it works without JavaScript. */ .nav-toggle-label { display: none; width: 38px; height: 38px; border-radius: var(--radius-md); border: 1px solid var(--color-divider); cursor: pointer; align-items: center; justify-content: center; } .nav-toggle-label span, .nav-toggle-label span::before, .nav-toggle-label span::after { display: block; width: 16px; height: 1.5px; background: var(--color-neutral-200); border-radius: 2px; position: relative; } .nav-toggle-label span::before, .nav-toggle-label span::after { content: ""; position: absolute; left: 0; } .nav-toggle-label span::before { top: -5px; } .nav-toggle-label span::after { top: 5px; } .announcement { padding: 10px var(--gutter); text-align: center; font-size: 13px; background: var(--color-accent-soft); color: var(--color-accent-soft-ink); border-bottom: 1px solid var(--color-accent-200); } /* — full footer — */ .footer { margin-top: 56px; background: var(--color-surface-2); border-top: 1px solid var(--color-divider); } .footer-inner { display: flex; flex-direction: column; gap: 28px; max-width: var(--page-max); margin: 0 auto; padding: 40px var(--gutter) 24px; } .footer-cols { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; } .footer h5 { margin: 0 0 12px; font: 600 12px var(--font-heading); color: var(--color-text); text-transform: uppercase; letter-spacing: .08em; } .footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; } .footer a { color: var(--color-neutral-400); font: 400 13px var(--font-body); } .footer a:hover { color: var(--color-accent-ink); text-decoration: none; } .footer-blurb { font: 400 13px/1.6 var(--font-body); color: var(--color-neutral-400); max-width: 280px; } .footer-social { display: flex; gap: 10px; margin-top: 14px; } .footer-social a { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--color-divider); display: inline-flex; align-items: center; justify-content: center; font-size: 13px; } .footer-social a:hover { border-color: var(--color-accent); } .footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding-top: 20px; border-top: 1px solid var(--color-divider); font: 400 12px var(--font-body); color: var(--color-neutral-500); } .footer-bottom a { font-size: 12px; color: var(--color-neutral-500); } /* — mini footer (auth, player, completion) — */ .footer-mini { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding: 20px 32px; border-top: 1px solid var(--color-divider); background: var(--color-surface-2); font: 400 12px var(--font-body); color: var(--color-neutral-500); } .footer-mini .fm-links { display: flex; gap: 18px; flex-wrap: wrap; } .footer-mini a, .footer-mini button.link { color: var(--color-neutral-500); background: none; border: 0; padding: 0; font: inherit; cursor: pointer; } .footer-mini a:hover, .footer-mini button.link:hover { color: var(--color-accent-ink); text-decoration: none; } /* Centred single-card pages: login, signup, reset, errors. */ .centered-shell { flex: 1; display: flex; align-items: center; justify-content: center; padding: 56px var(--gutter) 40px; background: var(--color-surface-2); } .centered-card { width: 100%; max-width: 400px; } /* 5. Components ─────────────────────────────────────────────────────────── */ /* — buttons — */ .b { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: var(--radius-md); font: 500 14px var(--font-body); border: 1px solid transparent; background: transparent; color: var(--color-neutral-200); cursor: pointer; white-space: nowrap; transition: background-color .15s ease, border-color .15s ease, color .15s ease; -webkit-appearance: none; appearance: none; } .b:hover { text-decoration: none; } .b:disabled, .b[aria-disabled="true"] { opacity: .45; cursor: not-allowed; } .b-primary { border-color: var(--color-accent); color: var(--color-accent-ink); } [data-theme="dark"] .b-primary { color: var(--color-accent-300); } .b-primary:hover { background: var(--color-accent); color: var(--color-on-accent); } [data-theme="dark"] .b-primary:hover { color: var(--color-on-accent); } .b-solid { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-on-accent); font-weight: 600; } .b-solid:hover { background: var(--color-accent-600); border-color: var(--color-accent-600); color: #fff; } [data-theme="dark"] .b-solid:hover { background: var(--color-accent-400); border-color: var(--color-accent-400); color: var(--color-on-accent); } .b-ghost { border-color: var(--color-divider); color: var(--color-text); } .b-ghost:hover { border-color: var(--color-accent); color: var(--color-accent-ink); } .b-quiet { color: var(--color-neutral-400); padding-inline: 8px; } .b-quiet:hover { color: var(--color-accent-ink); } .b-danger { border-color: var(--bad-border); color: var(--bad-ink); } .b-danger:hover { background: var(--bad-bg); } .b-sm { padding: 6px 12px; font-size: 12.5px; border-radius: 6px; } .b-lg { padding: 13px 22px; font-size: 15px; } .b-block { width: 100%; } /* — tags — */ .tg { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 999px; font: 600 11px var(--font-body); letter-spacing: .02em; border: 1px solid var(--color-divider); color: var(--color-neutral-300); background: var(--color-surface); } [data-theme="light"] .tg { color: var(--color-neutral-200); } .tg-accent { border-color: var(--color-accent); color: var(--color-accent-600); background: var(--color-accent-100); } [data-theme="dark"] .tg-accent { color: #fff; background: var(--color-accent-800); border-color: var(--color-accent-600); } .tg-green { border-color: var(--ok-border); color: var(--ok-ink); background: var(--ok-bg); } .tg-amber { border-color: var(--warn-border); color: var(--warn-ink); background: var(--warn-bg); } .tg-red { border-color: var(--bad-border); color: var(--bad-ink); background: var(--bad-bg); } [data-theme] .tg-green { color: var(--ok-ink); } [data-theme] .tg-amber { color: var(--warn-ink); } [data-theme] .tg-red { color: var(--bad-ink); } /* — cards — */ .card { background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: var(--radius-md); overflow: hidden; } .card-pad { padding: 20px; } .card-hover { transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; } .card-hover:hover { border-color: var(--color-accent); transform: translateY(-2px); box-shadow: var(--shadow-md); } .panel { background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: var(--radius-md); padding: 24px; } .panel-sunken { background: var(--color-sunken); } .panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; } /* — forms — */ .field { display: flex; flex-direction: column; gap: 6px; } .field > label { font: 500 12px var(--font-body); color: var(--color-neutral-400); letter-spacing: .02em; } .field-hint { font-size: 12px; color: var(--color-neutral-500); } .input, .select, .textarea { width: 100%; padding: 11px 14px; background: var(--color-surface-2); border: 1px solid var(--color-divider); border-radius: var(--radius-md); color: var(--color-text); font: 400 14px var(--font-body); outline: none; transition: border-color .15s ease, box-shadow .15s ease; } .input:hover, .select:hover, .textarea:hover { border-color: var(--color-neutral-500); } .input:focus, .select:focus, .textarea:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 22%, transparent); } .input::placeholder, .textarea::placeholder { color: var(--color-neutral-500); } .textarea { min-height: 110px; resize: vertical; line-height: 1.6; } .select { appearance: none; -webkit-appearance: none; padding-right: 36px; background-image: linear-gradient(45deg, transparent 50%, var(--color-neutral-500) 50%), linear-gradient(135deg, var(--color-neutral-500) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; } .input[aria-invalid="true"], .textarea[aria-invalid="true"], .select[aria-invalid="true"] { border-color: var(--bad-border); } .field-error { font-size: 12px; color: var(--bad-ink); } [data-theme="dark"] .field-error { color: #fca5a5; } .check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--color-neutral-400); } .check input { width: 16px; height: 16px; margin: 0; accent-color: var(--color-accent); cursor: pointer; flex: none; } /* — segmented control (radio group) — */ .seg { display: inline-flex; overflow: hidden; border: 1px solid var(--color-divider); border-radius: var(--radius-md); background: var(--color-surface); } .seg-opt { position: relative; display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; font-size: 13px; color: var(--color-neutral-400); cursor: pointer; } .seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); } .seg-opt input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; } .seg-opt:has(input:checked) { color: var(--color-accent-soft-ink); background: var(--color-accent-soft); font-weight: 600; } .seg-opt:not(:has(input:checked)):hover { color: var(--color-neutral-200); } .seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; } /* Drop-zone look for file inputs. */ .dropzone { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 18px; text-align: center; cursor: pointer; border: 1.5px dashed var(--color-divider); border-radius: var(--radius-md); background: var(--color-surface-2); color: var(--color-neutral-400); font-size: 13px; } .dropzone:hover { border-color: var(--color-accent); color: var(--color-accent-ink); } .dropzone input[type="file"] { max-width: 100%; font-size: 12px; color: var(--color-neutral-400); } /* — downloadable files — */ .file-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; } .file-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 10px 12px; border: 1px solid var(--color-divider); border-radius: var(--radius-md); background: var(--color-surface); } .file-row-admin { display: grid; grid-template-columns: 38px minmax(0, 1fr) auto; } @media (max-width: 560px) { .file-row-admin { grid-template-columns: 38px minmax(0, 1fr); } .file-row-admin > :last-child { grid-column: 2; } } a.file-row { color: var(--color-neutral-200); } a.file-row:hover { border-color: var(--color-accent); text-decoration: none; } .file-ico { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 38px; height: 44px; border-radius: 5px; font: 700 10px var(--font-body); letter-spacing: .04em; color: #fff; clip-path: polygon(0 0, 72% 0, 100% 22%, 100% 100%, 0 100%); } .file-ico.is-pdf { background: #d93f3f; } .file-ico.is-txt { background: var(--color-neutral-500); } .file-dl { margin-left: auto; font-size: 13px; font-weight: 600; color: var(--color-accent-ink); white-space: nowrap; } .drag-handle { color: var(--color-neutral-500); letter-spacing: -2px; user-select: none; } /* — math CAPTCHA — */ .captcha-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; } .captcha-question { display: inline-flex; align-items: center; justify-content: center; min-width: 170px; min-height: 54px; padding: 0 12px; border: 1px solid var(--color-divider); border-radius: var(--radius-md); background: #f4f5fb; overflow: hidden; } .captcha-question img { display: block; width: 170px; height: 54px; margin: 0 -12px; } .captcha-text { font: 600 20px var(--font-mono); letter-spacing: .02em; color: #2e1f5e; white-space: nowrap; } .captcha-input { width: 84px; text-align: center; font: 600 18px var(--font-mono); padding: 12px 8px; } .captcha-refresh { font-size: 16px; line-height: 1; padding: 10px 12px; } /* — flash messages — */ .flash { display: flex; align-items: flex-start; gap: 10px; padding: 12px 16px; border-radius: var(--radius-md); font-size: 13.5px; line-height: 1.5; border: 1px solid var(--color-divider); background: var(--color-surface); color: var(--color-text); } .flash-success { border-color: var(--ok-border); background: var(--ok-bg); color: var(--ok-ink); } .flash-error { border-color: var(--bad-border); background: var(--bad-bg); color: var(--bad-ink); } .flash-info { border-color: var(--color-accent-300); background: var(--color-accent-soft); color: var(--color-accent-soft-ink); } .flash a { color: inherit; text-decoration: underline; } .flash-stack { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; } /* — poster / thumbnail — */ .poster { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: radial-gradient(120% 100% at 20% 10%, var(--color-accent-700) 0%, transparent 60%), radial-gradient(120% 100% at 90% 90%, var(--color-accent-900) 0%, transparent 55%), linear-gradient(160deg, #1a1c2f 0%, #101122 100%); } .poster::after { content: ""; position: absolute; inset: 0; mix-blend-mode: overlay; pointer-events: none; background: repeating-linear-gradient(115deg, transparent 0 22px, rgba(255, 255, 255, .03) 22px 24px); } .poster img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; } .poster-1 { background: radial-gradient(120% 100% at 30% 20%, #6d3fd1 0%, transparent 55%), linear-gradient(160deg, #1d1433, #0e0f1a); } .poster-2 { background: radial-gradient(120% 100% at 70% 30%, #a435f0 0%, transparent 55%), linear-gradient(160deg, #22122f, #0e0f1a); } .poster-3 { background: radial-gradient(120% 100% at 20% 80%, #2f7a8a 0%, transparent 55%), linear-gradient(160deg, #111c24, #0e0f1a); } .poster-4 { background: radial-gradient(120% 100% at 80% 20%, #c0603e 0%, transparent 55%), linear-gradient(160deg, #24161a, #0e0f1a); } .poster-5 { background: radial-gradient(120% 100% at 40% 60%, #2f8a55 0%, transparent 55%), linear-gradient(160deg, #111f18, #0e0f1a); } .poster-mark { position: absolute; left: 16px; top: 16px; z-index: 1; font: 600 11px var(--font-mono); letter-spacing: .15em; text-transform: uppercase; color: rgba(255, 255, 255, .8); } /* — progress — */ .prog { height: 6px; border-radius: 999px; background: var(--color-neutral-800); overflow: hidden; } .prog > i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--color-accent-500), var(--color-accent)); } .prog-thin { height: 4px; } /* — tables — */ .tbl { width: 100%; border-collapse: collapse; font: 400 13px var(--font-body); } .tbl th { padding: 12px 16px; text-align: left; white-space: nowrap; font: 500 11px var(--font-body); text-transform: uppercase; letter-spacing: .06em; color: var(--color-neutral-500); border-bottom: 1px solid var(--color-divider); } .tbl td { padding: 14px 16px; border-bottom: 1px solid var(--color-divider); color: var(--color-neutral-200); vertical-align: middle; } .tbl tbody tr:hover td { background: color-mix(in srgb, var(--color-accent) 4%, transparent); } .tbl tbody tr:last-child td { border-bottom: none; } .tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; } /* — tabs — */ .tabs { display: flex; border-bottom: 1px solid var(--color-divider); overflow-x: auto; } .tab { padding: 12px 18px; border: none; background: none; cursor: pointer; white-space: nowrap; font: 500 13px var(--font-body); color: var(--color-neutral-500); border-bottom: 2px solid transparent; margin-bottom: -1px; } .tab:hover { color: var(--color-neutral-300); } .tab[aria-selected="true"] { color: var(--color-neutral-100); border-bottom-color: var(--color-accent); } /* — chips — */ .chips { display: flex; flex-wrap: wrap; gap: 8px; } .chip { padding: 7px 14px; border-radius: 999px; border: 1px solid var(--color-divider); background: var(--color-surface); font: 500 13px var(--font-body); color: var(--color-neutral-400); cursor: pointer; } .chip:hover { border-color: var(--color-accent); color: var(--color-accent-ink); text-decoration: none; } .chip[aria-pressed="true"] { border-color: var(--color-accent); color: var(--color-accent-soft-ink); background: var(--color-accent-soft); } /* — empty state — */ .empty { padding: 56px 24px; text-align: center; border: 1px dashed var(--color-divider); border-radius: var(--radius-md); color: var(--color-neutral-500); } .empty .h2 { margin-bottom: 8px; } /* — pagination — */ .pager { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 32px; flex-wrap: wrap; } .pager a, .pager span { min-width: 36px; padding: 7px 11px; text-align: center; border: 1px solid var(--color-divider); border-radius: var(--radius-md); font-size: 13px; color: var(--color-neutral-300); background: var(--color-surface); } .pager a:hover { border-color: var(--color-accent); text-decoration: none; } .pager [aria-current="page"] { border-color: var(--color-accent); color: var(--color-accent-soft-ink); background: var(--color-accent-soft); } /* — dialog (native ) — */ .dialog { width: min(460px, calc(100% - 32px)); padding: 24px; border: 1px solid var(--color-divider); border-radius: var(--radius-lg); background: var(--color-surface); color: var(--color-text); box-shadow: var(--shadow-lg); } .dialog::backdrop { background: rgba(0, 0, 0, .45); } .kbd { display: inline-block; min-width: 24px; padding: 2px 7px; text-align: center; border: 1px solid var(--color-divider); border-bottom-width: 2px; border-radius: 5px; background: var(--color-surface-2); font: 500 12px var(--font-mono); color: var(--color-neutral-200); } /* 6. Pages ──────────────────────────────────────────────────────────────── */ /* — hero — */ /* padding-block only: the .page gutter on the same element must survive. */ .hero { padding-block: 72px 56px; background: var(--hero-glow); } .hero-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 20px; font: 600 12px var(--font-body); color: var(--color-accent-ink); } .hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.08; letter-spacing: -0.03em; max-width: 16ch; margin-bottom: 18px; } .hero h1 .accent { color: var(--color-accent-ink); } .hero p { max-width: 54ch; font-size: 16px; color: var(--color-neutral-400); margin-bottom: 28px; } .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; } /* — course grid — */ .course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 20px; } .course-card { display: flex; flex-direction: column; height: 100%; } .course-card .poster { flex: none; } .course-card-body { display: flex; flex-direction: column; gap: 10px; flex: 1; padding: 16px; } .course-card-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; } .course-card h3 { font-size: 16px; margin: 0; } .course-card h3 a { color: inherit; } .course-card .tagline { font-size: 13px; color: var(--color-neutral-500); line-height: 1.5; flex: 1; margin: 0; } .course-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 4px; } .price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 10px; } .price-now { font: 600 17px var(--font-heading); color: var(--color-neutral-100); } .price-was { font-size: 13px; color: var(--color-neutral-400); text-decoration: line-through; } /* — featured — */ .featured { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); } .featured .poster { aspect-ratio: auto; min-height: 220px; } /* — course detail — */ .detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 32px; align-items: start; } .detail-aside { position: sticky; top: calc(var(--nav-height) + 20px); } .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-neutral-500); margin-bottom: 20px; flex-wrap: wrap; } .breadcrumb a { color: var(--color-neutral-400); } .fact-row { display: flex; flex-wrap: wrap; gap: 28px; padding: 20px 0; border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider); } .fact-label { font: 500 11px var(--font-body); text-transform: uppercase; letter-spacing: .08em; color: var(--color-neutral-500); margin-bottom: 4px; } .fact-value { font-size: 14px; color: var(--color-neutral-200); } .outcome-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px 24px; margin: 0; padding: 0; list-style: none; } .outcome-list li { display: flex; gap: 10px; font-size: 14px; color: var(--color-neutral-300); line-height: 1.5; } .outcome-list li::before { content: "◆"; color: var(--color-accent); flex: none; font-size: 10px; line-height: 1.9; } .includes { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; } .includes li { display: flex; gap: 8px; font-size: 13px; color: var(--color-neutral-300); } .includes li::before { content: "✓"; color: var(--color-accent-ink); flex: none; } /* UPI provider buttons. Brand dots use each app's own colour. */ .upi-apps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; } .upi-app { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 12px; border-radius: var(--radius-md); border: 1px solid var(--color-divider); background: var(--color-surface); font-size: 13px; font-weight: 500; color: var(--color-neutral-200); } .upi-app:hover { border-color: var(--color-accent); text-decoration: none; color: var(--color-neutral-100); } .upi-app.is-primary { border-color: var(--color-accent-300); background: color-mix(in srgb, var(--color-accent) 8%, transparent); } .upi-dot { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 20px; height: 20px; border-radius: 50%; font: 700 10px var(--font-body); color: #fff; } .upi-dot-phonepe { background: #5f259f; } .upi-dot-gpay { background: linear-gradient(135deg, #4285f4, #34a853, #fbbc05, #ea4335); } .upi-dot-paytm { background: #00baf2; } .upi-dot-bhim { background: #f26522; } .qr-tile { display: flex; align-items: center; gap: 14px; padding: 14px; border: 1px solid var(--color-divider); border-radius: var(--radius-md); background: var(--color-surface-2); } .qr-thumb { width: 74px; height: 74px; flex: none; padding: 6px; border-radius: 6px; background: #fff; border: 1px solid var(--color-divider); } .qr-thumb img { width: 100%; height: 100%; object-fit: contain; } .qr-frame { display: flex; align-items: center; justify-content: center; width: 200px; height: 200px; margin-inline: auto; padding: 14px; border-radius: var(--radius-md); background: #fff; border: 1px solid var(--color-divider); } .qr-frame img { width: 100%; height: 100%; object-fit: contain; } .copy-row { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-radius: var(--radius-md); border: 1px dashed var(--color-neutral-600); background: var(--color-surface-2); } .copy-row code { flex: 1; font-family: var(--font-mono); font-size: 13px; color: var(--color-neutral-100); word-break: break-all; } .step-list { counter-reset: step; list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; } .step-list li { display: flex; gap: 12px; font-size: 13.5px; color: var(--color-neutral-300); line-height: 1.55; } .step-list li::before { counter-increment: step; content: counter(step); display: flex; align-items: center; justify-content: center; width: 22px; height: 22px; flex: none; border-radius: 50%; background: var(--color-accent-soft); color: var(--color-accent-soft-ink); font: 600 11px var(--font-body); } /* — curriculum accordion — */ .module { border: 1px solid var(--color-divider); border-radius: var(--radius-md); overflow: hidden; background: var(--color-surface); } .module + .module { margin-top: 10px; } .module > summary { display: flex; align-items: center; gap: 12px; padding: 14px 18px; cursor: pointer; list-style: none; background: var(--color-surface-2); font: 500 14px var(--font-body); color: var(--color-neutral-200); } .module > summary::-webkit-details-marker { display: none; } .module > summary::after { content: "▸"; margin-left: auto; color: var(--color-neutral-500); font-size: 11px; transition: transform .15s ease; } .module[open] > summary::after { transform: rotate(90deg); } .module-lessons { list-style: none; margin: 0; padding: 6px; border-top: 1px solid var(--color-divider); } .lesson { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 6px; font: 400 13px var(--font-body); color: var(--color-neutral-400); } a.lesson:hover { background: var(--color-neutral-900); color: var(--color-neutral-200); text-decoration: none; } .lesson.on { background: var(--color-accent-100); color: var(--color-accent-600); font-weight: 600; box-shadow: inset 3px 0 0 var(--color-accent); } [data-theme="dark"] .lesson.on { background: color-mix(in srgb, var(--color-accent) 20%, transparent); color: #fff; } .lesson.done { color: var(--color-neutral-500); } .lesson .l-time { margin-left: auto; font-size: 11.5px; font-weight: 400; color: var(--color-neutral-500); flex: none; } .l-ico { display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; flex: none; border-radius: 50%; border: 1.5px solid currentColor; font-size: 8px; } .lesson.done .l-ico { background: var(--color-accent-500); border-color: var(--color-accent-500); color: #fff; } .lesson.done .l-ico::after { content: "✓"; font-size: 9px; } .lesson.on .l-ico { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-on-accent); } .lesson.on .l-ico::after { content: "▶"; font-size: 7px; transform: translateX(1px); } /* — video — */ .video { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--video-bg); border-radius: var(--radius-md); box-shadow: inset 0 0 0 1px var(--color-divider); } .video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; } .video-empty { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: #8b949c; font-size: 13px; text-align: center; padding: 24px; } .video-empty strong { color: #e8ecef; } /* — stats — */ .stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; } .stat { display: flex; flex-direction: column; gap: 6px; padding: 20px; background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: var(--radius-md); } .stat-lbl { font: 500 11px var(--font-body); text-transform: uppercase; letter-spacing: .08em; color: var(--color-neutral-500); } .stat-val { font: 600 28px var(--font-heading); letter-spacing: -0.02em; color: var(--color-neutral-100); } .stat-delta { font: 500 12px var(--font-body); color: var(--color-accent-ink); } /* — static content pages — */ .prose { max-width: 72ch; font-size: 15px; line-height: 1.75; color: var(--color-neutral-300); } .prose h2 { font-size: 20px; margin: 32px 0 10px; } .prose h3 { font-size: 16px; margin: 24px 0 8px; } .prose ul { padding-left: 20px; margin: 0 0 14px; } .prose li { margin-bottom: 6px; } /* — blog — */ .post-card .post-card-media { display: block; } .post-card-title { font-size: 17px; line-height: 1.3; margin: 0; } .post-card-title a { color: inherit; } .post-card-title a:hover { color: var(--color-accent-ink); text-decoration: none; } .post-card-lg { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); } .post-card-lg .poster { height: 100%; aspect-ratio: 16 / 9; } .post-card-lg .course-card-body { padding: 28px; justify-content: center; gap: 14px; } .post-card-lg .post-card-title { font-size: clamp(22px, 2.6vw, 30px); letter-spacing: -0.02em; } .post-card-lg .tagline { font-size: 15px; flex: 0; } .article-shell { max-width: 760px; margin: 0 auto; } .article-header { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 28px; } .article-title { font-size: clamp(30px, 4.6vw, 44px); line-height: 1.12; letter-spacing: -0.025em; margin: 0; } .article-lede { font-size: 18px; line-height: 1.6; color: var(--color-neutral-400); margin: 0; } .article-cover { margin: 0 0 32px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-divider); } .article-cover img { width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; } .article-layout { display: block; } .article-toc { margin-bottom: 28px; padding: 16px 20px; border: 1px solid var(--color-divider); border-radius: var(--radius-md); background: var(--color-surface-2); } .article-toc summary { cursor: pointer; margin: 0; list-style: none; } .article-toc summary::-webkit-details-marker { display: none; } /* Unnumbered: sub-headings would otherwise consume numbers (1, 2, 4…). */ .article-toc ol { margin: 10px 0 0; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; font-size: 14px; } .article-toc .toc-2 { padding-left: 12px; border-left: 2px solid var(--color-accent-200); } .article-toc .toc-3 { margin-left: 14px; padding-left: 12px; border-left: 2px solid var(--color-divider); font-size: 13.5px; } .article-toc a { color: var(--color-neutral-300); } .article-toc a:hover { color: var(--color-accent-ink); } .article-body { max-width: none; font-size: 17px; line-height: 1.8; color: var(--color-neutral-200); } .article-body > * + * { margin-top: 1.1em; } /* Only zero the bottom margin: the top comes from the "> * + *" rhythm. */ .article-body p { margin-bottom: 0; } .article-body h2 + *, .article-body h3 + *, .article-body h4 + * { margin-top: .6em; } .article-body h2 { font-size: 26px; margin: 1.8em 0 0; scroll-margin-top: calc(var(--nav-height) + 16px); } .article-body h3 { font-size: 21px; margin: 1.5em 0 0; scroll-margin-top: calc(var(--nav-height) + 16px); } .article-body h4 { font-size: 18px; margin: 1.3em 0 0; } .article-body a { color: var(--color-accent-ink); text-decoration: underline; text-decoration-thickness: 1px; } .article-body ul, .article-body ol { padding-left: 1.4em; margin-bottom: 0; } .article-body li + li { margin-top: .4em; } .article-body blockquote { margin-left: 0; margin-right: 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--color-accent); color: var(--color-neutral-400); font-style: italic; } .article-body code { font-family: var(--font-mono); font-size: .86em; padding: 2px 6px; border-radius: 5px; background: var(--color-surface-2); border: 1px solid var(--color-divider); } .article-body pre { overflow-x: auto; padding: 16px 18px; border-radius: var(--radius-md); background: #0f1216; color: #e8ecef; border: 1px solid var(--color-divider); font-size: 14px; line-height: 1.6; } .article-body pre code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; } .article-body img { border-radius: var(--radius-md); height: auto; margin-inline: auto; } .article-body figure { margin-left: 0; margin-right: 0; } .article-body figcaption { margin-top: 8px; text-align: center; font-size: 13.5px; color: var(--color-neutral-500); } .article-body hr { border: 0; height: 1px; background: var(--color-divider); margin: 2.2em 0; } .article-body .table-wrap { overflow-x: auto; } .article-body table { width: 100%; border-collapse: collapse; font-size: 15px; } .article-body th, .article-body td { padding: 10px 12px; border: 1px solid var(--color-divider); text-align: left; } .article-body th { background: var(--color-surface-2); font-weight: 600; } .article-footer { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--color-divider); display: flex; flex-direction: column; gap: 20px; } .article-neighbours { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; } .article-neighbours a { display: flex; flex-direction: column; gap: 6px; color: inherit; } .article-neighbours a:hover { border-color: var(--color-accent); text-decoration: none; } /* — admin markdown editor — */ .md-toolbar { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px; border: 1px solid var(--color-divider); border-bottom: 0; border-radius: var(--radius-md) var(--radius-md) 0 0; background: var(--color-surface-2); } .md-toolbar button { min-width: 32px; height: 30px; padding: 0 8px; border: 1px solid transparent; border-radius: 6px; background: none; color: var(--color-neutral-300); font: 600 13px var(--font-body); cursor: pointer; } .md-toolbar button:hover { border-color: var(--color-divider); background: var(--color-surface); color: var(--color-accent-ink); } .md-toolbar .sep { width: 1px; margin: 4px 4px; background: var(--color-divider); } .md-editor { border-top-left-radius: 0; border-top-right-radius: 0; min-height: 460px; font-family: var(--font-mono); font-size: 14px; line-height: 1.7; } .char-count { font-size: 11.5px; color: var(--color-neutral-500); text-align: right; } .char-count.is-over { color: var(--bad-ink); font-weight: 600; } .serp { padding: 14px 16px; border: 1px solid var(--color-divider); border-radius: var(--radius-md); background: var(--color-surface); } .serp-url { font-size: 12.5px; color: var(--color-neutral-400); word-break: break-all; } .serp-title { font-size: 18px; line-height: 1.3; color: #1a0dab; margin: 2px 0; } [data-theme="dark"] .serp-title { color: #8ab4f8; } .serp-desc { font-size: 13.5px; line-height: 1.5; color: var(--color-neutral-400); } @media (max-width: 900px) { .post-card-lg { grid-template-columns: 1fr; } .article-neighbours { grid-template-columns: 1fr; } } /* 7. Player ─────────────────────────────────────────────────────────────── */ body.is-player { height: 100vh; overflow: hidden; } .player-top { display: flex; align-items: center; gap: 16px; flex: none; height: 56px; padding-inline: 20px; border-bottom: 1px solid var(--color-divider); background: var(--color-bg); } .player-shell { flex: 1; display: flex; min-height: 0; } .player-side { width: 300px; flex: none; display: flex; flex-direction: column; border-right: 1px solid var(--color-divider); background: var(--side-bg); transition: width .2s ease; } .player-side-head { padding: 16px 16px 14px; border-bottom: 1px solid var(--color-divider); flex: none; } .player-side-body { flex: 1; overflow-y: auto; padding: 8px 8px 24px; } .player-module-title { display: flex; justify-content: space-between; gap: 8px; padding: 14px 12px 8px; font: 600 11px var(--font-body); text-transform: uppercase; letter-spacing: .08em; color: var(--color-neutral-500); } .player-module > summary::-webkit-details-marker { display: none; } .player-module > summary > span:last-child { transition: transform .15s ease; } .player-module:not([open]) > summary > span:last-child { transform: rotate(-90deg); } .player-module > summary:hover { color: var(--color-neutral-300); } .side-collapse { width: 28px; height: 28px; flex: none; border-radius: 6px; cursor: pointer; border: 1px solid var(--color-divider); background: var(--color-surface); color: var(--color-neutral-400); font-size: 13px; line-height: 1; } .side-collapse:hover { border-color: var(--color-accent); color: var(--color-accent-ink); } /* Collapsed: sidebar shrinks to a rail holding only the expand button. */ .side-collapsed .player-side { width: 52px; } .side-collapsed .player-side-body, .side-collapsed .player-side-head .side-detail { display: none; } .side-collapsed .side-collapse { transform: rotate(180deg); } .player-main { flex: 1; min-width: 0; overflow-y: auto; display: flex; flex-direction: column; } .player-stage { width: 100%; max-width: 920px; margin: 0 auto; padding: 24px 28px 40px; display: flex; flex-direction: column; gap: 20px; flex: 1; } .player-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; } .tabpanel { padding-top: 18px; font-size: 14px; line-height: 1.7; color: var(--color-neutral-300); } .transcript { white-space: pre-wrap; } .resource-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; } .resource-list a { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border: 1px solid var(--color-divider); border-radius: var(--radius-md); color: var(--color-neutral-200); font-size: 13.5px; } .resource-list a:hover { border-color: var(--color-accent); text-decoration: none; } .note-status { font-size: 12px; color: var(--color-neutral-500); } /* 8. Certificate ────────────────────────────────────────────────────────── */ .complete-hero { padding: 56px var(--gutter) 44px; background: var(--color-surface-2); text-align: center; } .complete-hero-inner { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 24px; } .complete-hero h1 { font-size: clamp(26px, 4vw, 36px); line-height: 1.15; max-width: 640px; margin: 0; } .complete-hero h1 .accent { color: var(--color-accent-ink); } .certificate { position: relative; overflow: hidden; width: 100%; max-width: 640px; aspect-ratio: 1.414 / 1; display: flex; flex-direction: column; text-align: left; padding: 44px 56px; background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-divider); border-radius: 4px; box-shadow: var(--shadow-lg); } .cert-corner { position: absolute; width: 36px; height: 36px; border: 0 solid var(--color-accent); } .cert-corner.tl { top: 16px; left: 16px; border-top-width: 2px; border-left-width: 2px; } .cert-corner.tr { top: 16px; right: 16px; border-top-width: 2px; border-right-width: 2px; } .cert-corner.bl { bottom: 16px; left: 16px; border-bottom-width: 2px; border-left-width: 2px; } .cert-corner.br { bottom: 16px; right: 16px; border-bottom-width: 2px; border-right-width: 2px; } .cert-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; } .cert-brand { display: flex; align-items: center; gap: 10px; font: 600 14px var(--font-heading); letter-spacing: .02em; } .cert-no { font: 500 10px var(--font-mono); color: var(--color-neutral-500); letter-spacing: .15em; text-transform: uppercase; } .cert-body { flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; gap: 12px; padding: 0 24px; } .cert-kicker { font: 500 11px var(--font-body); color: var(--color-neutral-500); letter-spacing: .32em; text-transform: uppercase; } .cert-rule { width: 60px; height: 1px; background: var(--color-accent); } .cert-line { font: 500 13px var(--font-body); color: var(--color-neutral-400); } .cert-name { font: italic 600 38px/1.1 var(--font-heading); color: var(--color-text); letter-spacing: -.02em; } .cert-course { font: 600 20px var(--font-heading); color: var(--color-text); letter-spacing: -.01em; } .cert-meta { font: 400 12px var(--font-body); color: var(--color-neutral-500); max-width: 360px; } .cert-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; } .cert-sign { flex: 1; display: flex; flex-direction: column; gap: 4px; } .cert-sign-value { font: italic 500 20px/1 var(--font-serif); color: var(--color-text); } .cert-sign-date { font: 500 13px/1 var(--font-mono); color: var(--color-text); padding-bottom: 6px; } .cert-sign-rule { height: 1px; background: var(--color-neutral-600); } .cert-sign-label { font: 500 10px var(--font-body); color: var(--color-neutral-500); letter-spacing: .12em; text-transform: uppercase; } .cert-seal { width: 72px; height: 72px; flex: none; border-radius: 50%; border: 2px solid var(--color-accent); display: flex; align-items: center; justify-content: center; } .cert-seal-inner { width: 56px; height: 56px; border-radius: 50%; border: 1px dashed var(--color-accent); display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--color-accent-ink); font: 600 8px var(--font-body); letter-spacing: .05em; text-align: center; } .cert-seal-inner span { font-size: 14px; line-height: 1; } .cert-verify { font: 400 11px var(--font-mono); color: var(--color-neutral-500); letter-spacing: .05em; word-break: break-all; } /* 9. Admin ──────────────────────────────────────────────────────────────── */ .a-shell { display: flex; flex: 1; min-height: 100vh; background: var(--page-bg); } .a-side { width: 220px; flex: none; display: flex; flex-direction: column; gap: 2px; padding: 22px 14px; background: var(--color-surface-2); border-right: 1px solid var(--color-divider); } .a-brand { display: flex; align-items: center; gap: 10px; padding: 0 10px 22px; font: 600 15px var(--font-heading); color: var(--color-neutral-100); } .a-brand:hover { text-decoration: none; } .a-nav { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; font: 500 13.5px var(--font-body); color: var(--color-neutral-400); letter-spacing: .01em; } .a-nav:hover { background: var(--color-neutral-900); color: var(--color-neutral-100); text-decoration: none; } [data-theme="light"] .a-nav:hover { background: var(--color-neutral-800); } .a-nav[aria-current="page"] { background: var(--color-accent-100); color: var(--color-accent-600); font-weight: 600; box-shadow: inset 3px 0 0 var(--color-accent); } [data-theme="dark"] .a-nav[aria-current="page"] { background: color-mix(in srgb, var(--color-accent) 20%, transparent); color: #fff; } .a-nav svg { width: 16px; height: 16px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.6; } .a-nav .count { margin-left: auto; padding: 1px 7px; border-radius: 999px; background: var(--color-accent); color: var(--color-on-accent); font: 600 10.5px var(--font-body); } .a-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 24px; padding: 28px 32px 64px; } .a-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; } .a-h1 { font: 600 24px var(--font-heading); letter-spacing: -0.01em; color: var(--color-neutral-100); margin: 0; } .a-grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; align-items: start; } .a-editor-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; align-items: start; } .form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; } .form-stack { display: flex; flex-direction: column; gap: 16px; } .chart { display: flex; align-items: flex-end; gap: 6px; height: 180px; padding: 16px 4px 4px; } .chart > i { flex: 1; min-height: 2px; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, var(--color-accent-300), var(--color-accent-200)); } [data-theme="dark"] .chart > i { background: linear-gradient(180deg, var(--color-accent-700), var(--color-accent-800)); } .chart > i.is-peak, [data-theme="dark"] .chart > i.is-peak { background: linear-gradient(180deg, var(--color-accent), var(--color-accent-600)); } .admin-module { border: 1px solid var(--color-divider); border-radius: var(--radius-md); background: var(--color-surface); } .admin-module + .admin-module { margin-top: 12px; } .admin-module-head { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--color-divider); flex-wrap: wrap; background: var(--color-surface-2); } .admin-lesson-row { display: flex; align-items: center; gap: 12px; padding: 11px 16px; border-bottom: 1px solid var(--color-divider); font-size: 13.5px; flex-wrap: wrap; } .admin-lesson-row:last-child { border-bottom: none; } .danger-zone { border-color: var(--bad-border); } .admin-module > summary::-webkit-details-marker, .admin-lesson-row > summary::-webkit-details-marker, details > summary.b::-webkit-details-marker { display: none; } .admin-module:not([open]) > .admin-module-head { border-bottom: 0; } .admin-lesson-row[open] { background: var(--color-surface); } /* 10. Responsive ────────────────────────────────────────────────────────── */ @media (max-width: 1080px) { .detail-grid, .a-editor-grid { grid-template-columns: 1fr; } .detail-aside { position: static; } .footer-cols { grid-template-columns: repeat(3, 1fr); } .footer-cols > :first-child { grid-column: 1 / -1; } } @media (max-width: 900px) { :root { --gutter: 18px; } .a-shell { flex-direction: column; min-height: auto; } .a-side { width: auto; flex-direction: row; align-items: center; gap: 6px; padding: 12px; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--color-divider); } .a-side .a-brand { padding: 0 8px 0 4px; white-space: nowrap; } .a-side .a-spacer { display: none; } .a-nav { white-space: nowrap; padding: 8px 12px; } .a-main { padding: 20px 16px 48px; } body.is-player { height: auto; overflow: auto; } .player-shell { flex-direction: column; } .player-side, .side-collapsed .player-side { width: 100%; border-right: none; border-bottom: 1px solid var(--color-divider); } .player-side-body { max-height: 260px; } .side-collapse { display: none; } .side-collapsed .player-side-body, .side-collapsed .player-side-head .side-detail { display: revert; } .player-main { overflow: visible; } .player-stage { padding: 20px var(--gutter) 32px; } .featured { grid-template-columns: 1fr; } } @media (max-width: 720px) { .nav-toggle-label { display: inline-flex; } .nav-links { position: absolute; top: calc(var(--nav-height) - 12px); left: calc(-1 * var(--gutter)); right: calc(-1 * var(--gutter)); display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter) 16px; background: var(--color-bg); border-bottom: 1px solid var(--color-divider); box-shadow: var(--shadow-md); } .nav-toggle:checked ~ .nav-links { display: flex; } /* Two-item nav on auth pages: no need for a menu. */ .nav-links.nav-links-static { position: static; display: flex; flex-direction: row; align-items: center; gap: 14px; padding: 0; border: 0; box-shadow: none; background: none; } .nav-links.nav-links-static > a { padding: 0; border: 0; } .nav-links.nav-links-static .theme-btn { margin: 0; } .nav-links > a, .nav-links > form { padding: 10px 4px; border-bottom: 1px solid var(--color-divider); } .nav-links .theme-btn { align-self: flex-start; margin: 8px 0; } .hero { padding-block: 48px 36px; } .course-grid { grid-template-columns: 1fr; } .panel { padding: 18px; } .fact-row { gap: 20px; } .b-lg { padding: 12px 18px; font-size: 14px; } .tbl-hide-sm { display: none; } .footer-cols { grid-template-columns: 1fr 1fr; } .footer-inner { padding: 32px 20px 20px; } .footer-mini { padding: 16px 18px; } .certificate { padding: 28px 26px; aspect-ratio: auto; min-height: 380px; } .cert-name { font-size: 28px; } .cert-course { font-size: 17px; } .cert-seal { width: 56px; height: 56px; } .cert-seal-inner { width: 44px; height: 44px; font-size: 7px; } } @media (max-width: 520px) { .footer-cols { grid-template-columns: 1fr; } .h1 { font-size: 22px; } .h2 { font-size: 17px; } .a-h1 { font-size: 20px; } .stat-val { font-size: 22px; } .upi-apps { grid-template-columns: 1fr 1fr; } .cert-foot { gap: 12px; } .cert-sign-value { font-size: 15px; } } @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } } /* 11. Print ─────────────────────────────────────────────────────────────── */ /* "Download PDF" opens the browser print dialog; this makes the result a single clean A4-landscape certificate with everything else stripped. */ @media print { @page { size: A4 landscape; margin: 0; } html, body { background: #fff !important; } body * { visibility: hidden; } .certificate, .certificate * { visibility: visible; } .certificate { position: fixed; inset: 0; margin: auto; width: 277mm; height: 190mm; max-width: none; aspect-ratio: auto; box-shadow: none; border-color: #d1d7dc; background: #fff !important; color: #1c1d1f !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; } .cert-name, .cert-course, .cert-sign-value, .cert-sign-date { color: #1c1d1f !important; } }