/* UKFlashcards — Duolingo-inspired Gen Z theme (dark default + light mode) */ :root { --bg: #131825; --bg2: #1b2233; --card: #222b40; --card2: #2a3550; --card2-shadow: #1a2236; --text: #f1f5ff; --muted: #8b97b8; --border: #344266; --green: #58cc02; --green-dark: #46a302; --purple: #a560ff; --purple-dark: #8a3ff0; --pink: #ff6b9d; --blue: #38bdf8; --gold: #ffc800; --red: #ff4b4b; --red-dark: #d93636; --back1: #1f3a1a; --back2: #2a4f1f; --opt-chosen: #24402a; --opt-right: #1f3a1a; --opt-wrong: #3a1f1f; --scheme-text: #cfe3b8; --radius: 18px; } /* Light mode — toggled via .light on , persisted in localStorage */ :root.light { --bg: #f2f5fb; --bg2: #ffffff; --card: #ffffff; --card2: #e7ecf6; --card2-shadow: #c8d1e4; --text: #1e2536; --muted: #61708e; --border: #d6ddec; --back1: #eaf8db; --back2: #d8f1c0; --opt-chosen: #ddf5c9; --opt-right: #d3f2bf; --opt-wrong: #ffdbdb; --scheme-text: #3c6b1f; } :root.light .pill { color: var(--text); } :root.light .pill.premium { color: #fff; } :root.light .face.back { color: #234312; } * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; } button { font-family: inherit; } #app { max-width: 560px; margin: 0 auto; padding: 16px 16px 96px; } /* ---------- top bar ---------- */ .topbar { display: flex; align-items: center; justify-content: space-between; padding: 10px 4px; position: sticky; top: 0; z-index: 50; background: linear-gradient(var(--bg) 80%, transparent); } .logo { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; cursor: pointer; user-select: none; } .logo span { background: linear-gradient(90deg, var(--green), var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; } .statbar { display: flex; gap: 12px; align-items: center; font-weight: 700; font-size: 15px; } .stat { display: flex; align-items: center; gap: 4px; cursor: default; } .stat.flame { color: var(--gold); } .stat.xp { color: var(--blue); } .pill { border: none; border-radius: 999px; padding: 7px 14px; font-weight: 700; font-size: 13px; cursor: pointer; color: #fff; background: var(--card2); } .pill.premium { background: linear-gradient(90deg, var(--purple), var(--pink)); } /* ---------- generic ---------- */ .screen { animation: pop-in .25s ease; } @keyframes pop-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } } h1.hero { font-size: 28px; font-weight: 800; margin: 18px 0 6px; } p.sub { color: var(--muted); margin-bottom: 20px; font-size: 15px; } .btn { display: block; width: 100%; padding: 15px; margin: 10px 0; border: none; border-radius: var(--radius); font-size: 16px; font-weight: 800; cursor: pointer; color: #fff; text-transform: uppercase; letter-spacing: 0.5px; background: var(--green); box-shadow: 0 4px 0 var(--green-dark); transition: transform .06s, box-shadow .06s; } .btn:active { transform: translateY(4px); box-shadow: 0 0 0 var(--green-dark); } .btn.secondary { background: var(--card2); box-shadow: 0 4px 0 var(--card2-shadow); } .btn.purple { background: var(--purple); box-shadow: 0 4px 0 var(--purple-dark); } .btn.danger { background: var(--red); box-shadow: 0 4px 0 var(--red-dark); } .btn.ghost { background: transparent; box-shadow: none; color: var(--muted); text-transform: none; font-weight: 600; } .btn:disabled { opacity: .5; cursor: not-allowed; } .tile-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-top: 14px; } .tile { background: var(--card); border: 2px solid transparent; border-radius: var(--radius); padding: 18px 14px; text-align: center; cursor: pointer; transition: transform .1s, border-color .1s; font-weight: 700; font-size: 15px; color: var(--text); } .tile:hover { transform: translateY(-3px); border-color: var(--accent, var(--green)); } .tile .emoji { font-size: 34px; display: block; margin-bottom: 8px; } .tile small { display: block; color: var(--muted); font-weight: 600; margin-top: 4px; font-size: 12px; } .tile.year { font-size: 18px; padding: 22px 10px; } .tile.locked { opacity: .45; } .crumb { color: var(--muted); font-size: 14px; margin-top: 16px; cursor: pointer; user-select: none; } .crumb:hover { color: var(--text); } /* ---------- flashcards ---------- */ .progress-track { height: 14px; background: var(--card); border-radius: 999px; margin: 14px 0 22px; overflow: hidden; } .progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--green), #7be03a); border-radius: 999px; transition: width .3s ease; } .flashcard { perspective: 1200px; height: 320px; cursor: pointer; margin-bottom: 18px; } .flashcard-inner { position: relative; width: 100%; height: 100%; transition: transform .45s; transform-style: preserve-3d; } .flashcard.flipped .flashcard-inner { transform: rotateY(180deg); } .face { position: absolute; inset: 0; backface-visibility: hidden; border-radius: 24px; padding: 28px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; font-size: 19px; font-weight: 700; line-height: 1.45; } .face.front { background: linear-gradient(145deg, var(--card), var(--card2)); border: 2px solid var(--border); } .face.back { background: linear-gradient(145deg, var(--back1), var(--back2)); border: 2px solid var(--green); transform: rotateY(180deg); font-weight: 600; font-size: 17px; } .face .hint { position: absolute; bottom: 14px; font-size: 12px; color: var(--muted); font-weight: 600; } .grade-row { display: flex; gap: 12px; } .grade-row .btn { margin: 0; } .mascot { font-size: 56px; text-align: center; display: block; animation: bounce 1.6s infinite; } @keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } } .bubble { background: var(--card); border-radius: var(--radius); padding: 14px 18px; margin: 12px auto; max-width: 420px; text-align: center; color: var(--text); font-weight: 600; border: 2px solid var(--border); } /* ---------- session end ---------- */ .endcard { text-align: center; padding: 30px 10px; } .endcard .big { font-size: 64px; } .endcard h2 { font-size: 26px; margin: 10px 0; } .score-chips { display: flex; gap: 10px; justify-content: center; margin: 18px 0; flex-wrap: wrap; } .chip { background: var(--card); border-radius: 14px; padding: 12px 18px; font-weight: 800; font-size: 15px; } .chip b { display: block; font-size: 22px; } .chip.gold b { color: var(--gold); } .chip.green b { color: var(--green); } .chip.blue b { color: var(--blue); } /* ---------- exams ---------- */ .exam-card { background: var(--card); border-radius: var(--radius); padding: 16px; margin: 10px 0; display: flex; align-items: center; gap: 14px; cursor: pointer; border: 2px solid transparent; } .exam-card:hover { border-color: var(--purple); } .exam-card .emoji { font-size: 30px; } .exam-card .meta { flex: 1; } .exam-card .meta b { display: block; font-size: 15px; } .exam-card .meta small { color: var(--muted); } .timer { font-weight: 800; color: var(--gold); font-size: 18px; text-align: right; } .option { display: block; width: 100%; text-align: left; background: var(--card); color: var(--text); border: 2px solid var(--border); border-radius: 14px; padding: 14px 16px; margin: 8px 0; font-size: 15px; font-weight: 600; cursor: pointer; transition: border-color .1s; } .option:hover { border-color: var(--blue); } .option.chosen { border-color: var(--green); background: var(--opt-chosen); } .option.right { border-color: var(--green); background: var(--opt-right); } .option.wrong { border-color: var(--red); background: var(--opt-wrong); } /* ---------- past papers ---------- */ .paper-q { background: var(--card); border-radius: var(--radius); padding: 16px; margin: 10px 0; } .paper-q .marks { color: var(--gold); font-weight: 800; font-size: 13px; } .paper-q .scheme { display: none; margin-top: 12px; padding: 12px; background: var(--bg2); border-radius: 12px; color: var(--scheme-text); font-size: 14px; line-height: 1.5; border-left: 3px solid var(--green); } .paper-q.open .scheme { display: block; } .paper-q .reveal { margin-top: 10px; } .board-links { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; } .board-links a { color: var(--blue); background: var(--card); padding: 8px 14px; border-radius: 999px; text-decoration: none; font-size: 13px; font-weight: 700; } /* ---------- forms / modals ---------- */ .modal-veil { position: fixed; inset: 0; background: rgba(8, 11, 20, .8); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 18px; } .modal { background: var(--bg2); border-radius: 24px; padding: 26px; width: 100%; max-width: 400px; border: 2px solid var(--border); max-height: 90vh; overflow-y: auto; } .modal h2 { margin-bottom: 4px; } .modal .sub { margin-bottom: 14px; } .field { margin: 12px 0; } .field label { display: block; font-size: 13px; font-weight: 700; color: var(--muted); margin-bottom: 6px; } .field input, .field select { width: 100%; padding: 13px 14px; border-radius: 14px; border: 2px solid var(--border); background: var(--card); color: var(--text); font-size: 15px; font-family: inherit; } .field input:focus, .field select:focus { outline: none; border-color: var(--blue); } .oauth-row { display: flex; gap: 10px; margin: 14px 0; } .oauth-btn { flex: 1; padding: 12px; border-radius: 14px; border: 2px solid var(--border); background: var(--card); color: var(--text); font-weight: 700; cursor: pointer; font-size: 14px; } .oauth-btn:hover { border-color: var(--blue); } .switch-auth { text-align: center; color: var(--muted); font-size: 14px; margin-top: 14px; } .switch-auth a { color: var(--blue); cursor: pointer; font-weight: 700; } .error-msg { color: var(--red); font-size: 14px; font-weight: 600; margin: 8px 0; min-height: 18px; } .ok-msg { color: var(--green); font-size: 14px; font-weight: 600; margin: 8px 0; } .dev-note { font-size: 12px; color: var(--muted); background: var(--card); padding: 10px; border-radius: 10px; margin-top: 10px; word-break: break-all; } .dev-note a { color: var(--blue); } /* ---------- bottom nav ---------- */ .bottomnav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 60; background: var(--bg2); border-top: 2px solid var(--border); display: flex; justify-content: space-around; padding: 8px 6px calc(8px + env(safe-area-inset-bottom)); } .navbtn { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 11px; font-weight: 800; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 6px 14px; border-radius: 14px; text-transform: uppercase; } .navbtn .ic { font-size: 22px; } .navbtn.active { color: var(--green); background: rgba(88, 204, 2, .1); } /* ---------- toast & confetti ---------- */ .toast { position: fixed; top: 70px; left: 50%; transform: translateX(-50%); background: var(--card2); border: 2px solid var(--green); color: var(--text); border-radius: 14px; padding: 12px 22px; font-weight: 800; z-index: 200; animation: toast-in .3s ease; } @keyframes toast-in { from { opacity: 0; transform: translate(-50%, -16px); } to { opacity: 1; transform: translate(-50%, 0); } } #confetti { position: fixed; inset: 0; pointer-events: none; z-index: 150; } /* ---------- profile ---------- */ .profile-head { text-align: center; margin: 18px 0; } .avatar { width: 84px; height: 84px; border-radius: 50%; margin: 0 auto 10px; background: linear-gradient(135deg, var(--purple), var(--pink)); display: flex; align-items: center; justify-content: center; font-size: 38px; font-weight: 800; } .badge { display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 800; margin: 4px 2px; } .badge.premium { background: linear-gradient(90deg, var(--purple), var(--pink)); } .badge.free { background: var(--card2); color: var(--muted); } .badge.admin { background: var(--gold); color: #222; } .badge.unverified { background: var(--red); } .prog-row { background: var(--card); border-radius: 14px; padding: 12px 16px; margin: 8px 0; display: flex; justify-content: space-between; align-items: center; font-size: 14px; } .prog-row b { font-size: 14px; } .prog-row .pc { font-weight: 800; color: var(--green); } /* ---------- flashcard extras: mascots, diagrams, speech ---------- */ .flashcard.tall { height: 420px; } .flashcard { animation: card-in .3s cubic-bezier(.2, .9, .3, 1.2); } @keyframes card-in { from { opacity: 0; transform: translateX(28px) rotate(1.5deg); } to { opacity: 1; transform: none; } } .face.back { justify-content: flex-start; padding-top: 20px; overflow-y: auto; } .face .q-text { margin: auto 0; } .face .a-text { font-size: 16px; font-weight: 600; margin: 8px 0; } .mascot-line { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--scheme-text); margin-bottom: 4px; } .mascot-line .m-emoji { font-size: 26px; animation: bounce 1.6s infinite; } .speak-btn { position: absolute; top: 10px; right: 12px; z-index: 2; background: rgba(255,255,255,.08); border: none; border-radius: 10px; font-size: 16px; padding: 6px 9px; cursor: pointer; } .speak-btn:hover { background: rgba(255,255,255,.18); } .diagram { width: 100%; margin: 6px 0 16px; } .diagram svg { width: 100%; height: auto; max-height: 170px; display: block; background: rgba(0,0,0,.22); border-radius: 14px; } /* mascot reaction overlay */ .reaction { position: fixed; top: 38%; left: 50%; z-index: 250; pointer-events: none; display: flex; flex-direction: column; align-items: center; gap: 2px; animation: react-float 1.05s ease forwards; } .reaction .r-emoji { font-size: 54px; } .reaction .r-text { font-weight: 800; font-size: 16px; padding: 4px 14px; border-radius: 999px; background: var(--card2); } .reaction.good .r-text { color: var(--green); border: 2px solid var(--green); } .reaction.meh .r-text { color: var(--gold); border: 2px solid var(--gold); } @keyframes react-float { 0% { opacity: 0; transform: translate(-50%, 16px) scale(.6); } 18% { opacity: 1; transform: translate(-50%, 0) scale(1.08); } 30% { transform: translate(-50%, -4px) scale(1); } 100% { opacity: 0; transform: translate(-50%, -70px) scale(.92); } } /* end-screen flourishes */ .celebrate { display: inline-block; animation: celebrate-pop .7s cubic-bezier(.2, 1.2, .4, 1); } @keyframes celebrate-pop { 0% { transform: scale(0) rotate(-20deg); } 70% { transform: scale(1.25) rotate(6deg); } 100% { transform: scale(1) rotate(0); } } #xp-count.pulse { animation: xp-pulse .45s ease; } @keyframes xp-pulse { 50% { transform: scale(1.35); color: var(--gold); } } /* avatars */ .avatar { font-size: 42px; } .avatar-grid { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; max-width: 360px; margin: 0 auto; } .avatar-opt { font-size: 24px; background: var(--card); border: 2px solid transparent; border-radius: 14px; padding: 8px 10px; cursor: pointer; transition: transform .1s, border-color .1s; } .avatar-opt:hover { transform: scale(1.15); } .avatar-opt.active { border-color: var(--green); background: rgba(88, 204, 2, .12); } .pill.avatar-pill { font-size: 17px; padding: 5px 11px; } .pill.mute { font-size: 14px; padding: 6px 10px; } @media (max-width: 420px) { .tile-grid { grid-template-columns: repeat(2, 1fr); } h1.hero { font-size: 24px; } .flashcard.tall { height: 460px; } .logo { font-size: 18px; } .pill { padding: 6px 10px; font-size: 12px; white-space: nowrap; } .statbar { gap: 7px; font-size: 13px; } } /* ---------- desktop & laptop: website layout with sidebar nav ---------- */ @media (min-width: 900px) { body { padding-left: 210px; } /* reserve room for the fixed sidebar */ #app { max-width: 760px; padding-bottom: 40px; } .bottomnav { top: 96px; bottom: auto; right: auto; left: 16px; flex-direction: column; justify-content: flex-start; gap: 6px; width: 175px; padding: 14px 10px; border: 2px solid var(--border); border-radius: 22px; background: var(--bg2); } .navbtn { flex-direction: row; justify-content: flex-start; gap: 12px; width: 100%; font-size: 13px; padding: 12px 16px; border-radius: 12px; } .navbtn .ic { font-size: 20px; } .flashcard { max-width: 620px; margin: 0 auto 18px; } .grade-row, .progress-track { max-width: 620px; margin-left: auto; margin-right: auto; } .endcard .big { font-size: 80px; } h1.hero { font-size: 32px; } }