/* ============================================================ Flashcards — CSS baseado na identidade visual do Starlight (blog.ferpdias.com.br). Sistema de cores em variáveis com dark/light toggle via [data-theme] no . ============================================================ */ :root, [data-theme="dark"] { --bg: #17181c; --bg-elevated: #23252c; --bg-nav: #0f1013; --text: #f7f8f8; --text-muted: #a0a2ac; --border: #2b2c30; --border-strong: #3d3f47; --accent: #a48ada; --accent-hover: #b9a4e5; --accent-soft: rgba(164, 138, 218, 0.15); --shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3); --shadow-strong: 0 8px 32px rgba(0, 0, 0, 0.5), 0 16px 48px rgba(0, 0, 0, 0.4); --code-bg: #1a1b20; } [data-theme="light"] { --bg: #ffffff; --bg-elevated: #f6f6f8; --bg-nav: #ffffff; --text: #1a1b1e; --text-muted: #545861; --border: #e6e7e9; --border-strong: #cccdd1; --accent: #6e42c1; --accent-hover: #542db3; --accent-soft: rgba(110, 66, 193, 0.12); --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.06); --shadow-strong: 0 4px 16px rgba(0, 0, 0, 0.12), 0 12px 32px rgba(0, 0, 0, 0.1); --code-bg: #f0f0f2; } * { box-sizing: border-box; margin: 0; padding: 0; } html { color-scheme: dark light; scroll-behavior: smooth; } body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; background-color: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; transition: background-color 0.2s ease, color 0.2s ease; } code, kbd { font-family: 'SFMono-Regular', Menlo, Consolas, 'Liberation Mono', monospace; font-size: 0.9em; background: var(--code-bg); padding: 0.15em 0.4em; border-radius: 4px; border: 1px solid var(--border); } kbd { display: inline-block; padding: 0.15em 0.5em; font-size: 0.8em; box-shadow: inset 0 -2px 0 var(--border-strong); min-width: 1.5em; text-align: center; } a { color: var(--accent); text-decoration: none; transition: color 0.15s ease; } a:hover { color: var(--accent-hover); text-decoration: underline; } /* ============================================================ Header ============================================================ */ .site-header { background: var(--bg-nav); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); } .header-inner { max-width: 1200px; margin: 0 auto; padding: 0.75rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; } .brand { display: flex; align-items: center; gap: 0.6rem; color: var(--text); font-weight: 600; font-size: 1.05rem; text-decoration: none; } .brand:hover { color: var(--accent); text-decoration: none; } .brand-icon { font-size: 1.4rem; line-height: 1; } .header-actions { display: flex; align-items: center; gap: 0.35rem; } .icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 8px; background: transparent; color: var(--text-muted); border: 1px solid transparent; cursor: pointer; transition: all 0.15s ease; text-decoration: none; } .icon-btn:hover { background: var(--bg-elevated); color: var(--text); border-color: var(--border); text-decoration: none; } .icon-btn .icon-sun { display: none; } .icon-btn .icon-moon { display: block; } [data-theme="light"] .icon-btn .icon-sun { display: block; } [data-theme="light"] .icon-btn .icon-moon { display: none; } /* ============================================================ Main + Footer ============================================================ */ .site-main { flex: 1; max-width: 1200px; width: 100%; margin: 0 auto; padding: 2.5rem 1.5rem 4rem; } .site-footer { background: var(--bg-nav); border-top: 1px solid var(--border); color: var(--text-muted); font-size: 0.875rem; } .footer-inner { max-width: 1200px; margin: 0 auto; padding: 1.25rem 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; } /* ============================================================ Home — hero + grid de decks ============================================================ */ .hero { text-align: center; padding: 2rem 0 3rem; max-width: 720px; margin: 0 auto; } .hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; margin-bottom: 1rem; letter-spacing: -0.02em; background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; } .hero-lead { font-size: 1.1rem; color: var(--text-muted); line-height: 1.7; } .decks-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; margin-top: 1rem; } .deck-card { display: block; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; color: var(--text); text-decoration: none; transition: all 0.2s ease; position: relative; overflow: hidden; } .deck-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--accent); opacity: 0; transition: opacity 0.2s ease; } .deck-card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: var(--shadow); text-decoration: none; color: var(--text); } .deck-card:hover::before { opacity: 1; } .deck-icon { font-size: 2.5rem; line-height: 1; margin-bottom: 1rem; } .deck-title { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text); } .deck-desc { font-size: 0.925rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 1rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; } .deck-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--text-muted); } .deck-cat { background: var(--accent-soft); color: var(--accent); padding: 0.2rem 0.6rem; border-radius: 999px; text-transform: lowercase; font-weight: 500; } .deck-count { font-variant-numeric: tabular-nums; } /* ============================================================ Deck page — breadcrumb, header, controles ============================================================ */ .breadcrumb { display: flex; align-items: center; gap: 0.5rem; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; } .breadcrumb .sep { opacity: 0.5; } .deck-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 2rem; margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); } .deck-header-title { display: flex; gap: 1rem; align-items: center; } .deck-header-icon { font-size: 2.75rem; line-height: 1; } .deck-header h1 { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.25rem; } .deck-header-desc { color: var(--text-muted); font-size: 0.95rem; } .deck-header-stats { background: var(--bg-elevated); border: 1px solid var(--border); padding: 0.5rem 1rem; border-radius: 8px; font-size: 1.1rem; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--accent); white-space: nowrap; } /* ============================================================ Flashcard — flip 3D ============================================================ */ .study-area { max-width: 720px; margin: 0 auto; } .flashcard { perspective: 1500px; height: 380px; margin-bottom: 2rem; cursor: pointer; outline: none; } .flashcard:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 16px; } .flashcard-inner { position: relative; width: 100%; height: 100%; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); transform-style: preserve-3d; } .flashcard.flipped .flashcard-inner { transform: rotateY(180deg); } .flashcard-face { position: absolute; inset: 0; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 16px; padding: 2.5rem 2rem; display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: var(--shadow); -webkit-backface-visibility: hidden; backface-visibility: hidden; } .flashcard-front { border-top: 3px solid var(--accent); } .flashcard-back { transform: rotateY(180deg); border-top: 3px solid #4ade80; } .face-label { position: absolute; top: 1rem; left: 1.25rem; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); font-weight: 600; } .face-content { font-size: 1.35rem; line-height: 1.5; text-align: center; max-width: 100%; overflow-wrap: break-word; color: var(--text); } .face-content code { font-size: 0.95em; } .face-hint { position: absolute; bottom: 1rem; font-size: 0.8rem; color: var(--text-muted); opacity: 0.7; } /* ============================================================ Controls ============================================================ */ .controls { display: flex; justify-content: center; align-items: center; gap: 0.75rem; margin-bottom: 1rem; flex-wrap: wrap; } .btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.65rem 1.25rem; border-radius: 8px; font-size: 0.95rem; font-weight: 500; font-family: inherit; cursor: pointer; border: 1px solid transparent; transition: all 0.15s ease; text-decoration: none; background: transparent; color: var(--text); } .btn:hover { text-decoration: none; } .btn:disabled { opacity: 0.4; cursor: not-allowed; } .btn-primary { background: var(--accent); color: white; min-width: 120px; justify-content: center; } .btn-primary:hover:not(:disabled) { background: var(--accent-hover); color: white; transform: translateY(-1px); box-shadow: 0 4px 12px var(--accent-soft); } .btn-secondary { background: var(--bg-elevated); color: var(--text); border-color: var(--border); } .btn-secondary:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); } .btn-ghost { background: transparent; color: var(--text-muted); font-size: 0.875rem; padding: 0.5rem 1rem; } .btn-ghost:hover { color: var(--accent); background: var(--accent-soft); } .secondary-controls { display: flex; justify-content: center; gap: 0.5rem; margin-bottom: 1.5rem; } .progress-bar { height: 4px; background: var(--bg-elevated); border-radius: 2px; overflow: hidden; margin-bottom: 1rem; } .progress-fill { height: 100%; background: var(--accent); transition: width 0.3s ease; } .keyboard-hints { text-align: center; font-size: 0.8rem; color: var(--text-muted); margin-top: 1rem; } .keyboard-hints kbd { font-size: 0.7rem; margin: 0 0.15em; } /* ============================================================ Empty state / 404 ============================================================ */ .empty-state { text-align: center; padding: 4rem 1.5rem; max-width: 480px; margin: 0 auto; } .empty-icon { font-size: 4rem; margin-bottom: 1.5rem; } .empty-state h2 { font-size: 1.5rem; margin-bottom: 1rem; } .empty-state p { color: var(--text-muted); margin-bottom: 1rem; } /* ============================================================ Responsive ============================================================ */ @media (max-width: 640px) { .header-inner { padding: 0.5rem 1rem; } .brand-name { display: none; } .site-main { padding: 1.5rem 1rem 3rem; } .deck-header { flex-direction: column; gap: 1rem; } .deck-header-stats { align-self: flex-start; } .flashcard { height: 320px; } .flashcard-face { padding: 2rem 1.25rem; } .face-content { font-size: 1.15rem; } .btn-primary { min-width: 100px; } .footer-inner { flex-direction: column; text-align: center; } }