/* Algoritma Defteri — tahta / defter teması */
@font-face { font-family: 'Cabinet Grotesk'; src: url('../fonts/CabinetGrotesk-800.woff2') format('woff2'); font-weight: 800; font-display: swap; }
@font-face { font-family: 'Satoshi'; src: url('../fonts/Satoshi-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Satoshi'; src: url('../fonts/Satoshi-500.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Satoshi'; src: url('../fonts/Satoshi-700.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'JetBrains Mono'; src: url('../fonts/JetBrainsMono-latin.woff2') format('woff2'); font-weight: 100 800; font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'JetBrains Mono'; src: url('../fonts/JetBrainsMono-latin-ext.woff2') format('woff2'); font-weight: 100 800; font-display: swap; unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Caveat'; src: url('../fonts/Caveat-latin.woff2') format('woff2'); font-weight: 400 700; font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Caveat'; src: url('../fonts/Caveat-latin-ext.woff2') format('woff2'); font-weight: 400 700; font-display: swap; unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

:root {
  --bg: #F4F1EA; --surface: #FCFBF8; --surface-2: #EFEBE0; --surface-3: #E6E1D2;
  --border: #D9D3C3; --border-strong: #BDB6A3;
  --text: #1C2233; --muted: #596177; --faint: #8A8F9E;
  --ink: #2347C5; --ink-strong: #162F94; --ink-soft: #E4EAFB; --on-ink: #FFFFFF;
  --ok: #15744A; --ok-soft: #DCF0E4; --err: #B8332A; --err-soft: #FADFDB;
  --hl: #FFF0A8; --hl-strong: #F3C623; --warn-soft: #FFF4CC;
  --grid: rgba(120, 110, 80, .22);
  --sh: 0 1px 0 rgba(28, 34, 51, .04), 0 10px 24px -14px rgba(28, 34, 51, .28);
  --display: 'Cabinet Grotesk', 'Satoshi', system-ui, sans-serif;
  --body: 'Satoshi', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --hand: 'Caveat', 'Segoe Print', cursive;
  --r: 10px; --r-sm: 6px;
  --maxw: 1180px;
  color-scheme: light;
}
[data-theme='dark'] {
  --bg: #141B1D; --surface: #1B2427; --surface-2: #222D30; --surface-3: #2A373A;
  --border: #33433F; --border-strong: #4A5E58;
  --text: #E8EDE4; --muted: #A9B5AD; --faint: #7D8A84;
  --ink: #93B4FF; --ink-strong: #BBD0FF; --ink-soft: #232F4B; --on-ink: #0E1A38;
  --ok: #7FD8A4; --ok-soft: #1C3A2B; --err: #FF9990; --err-soft: #43231F;
  --hl: #4B4416; --hl-strong: #F2D45C; --warn-soft: #3B3512;
  --grid: rgba(255, 255, 255, .07);
  --sh: 0 1px 0 rgba(0, 0, 0, .3), 0 12px 28px -14px rgba(0, 0, 0, .6);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--body); font-size: 1rem; line-height: 1.6; color: var(--text); background-color: var(--bg); background-image: radial-gradient(var(--grid) 1px, transparent 1.3px); background-size: 24px 24px; min-height: 100dvh; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 800; line-height: 1.15; letter-spacing: -.01em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); } h2 { font-size: clamp(1.3rem, 2.4vw, 1.6rem); } h3 { font-size: 1.125rem; } h4 { font-size: 1rem; }
p { margin: 0 0 1em; } a { color: var(--ink); text-underline-offset: 3px; } a:hover { color: var(--ink-strong); }
code { font-family: var(--mono); font-size: .88em; background: var(--surface-2); border: 1px solid var(--border); padding: .08em .38em; border-radius: 4px; }
pre { margin: 0; font-family: var(--mono); }
button { font: inherit; color: inherit; cursor: pointer; }
img, svg { max-width: 100%; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--hl-strong); color: #1C2233; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--on-ink); padding: 8px 14px; border-radius: 6px; z-index: 100; }
.skip:focus { left: 8px; }
.ic { flex: none; vertical-align: middle; }
.muted { color: var(--muted); } .hand { font-family: var(--hand); }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- düğmeler, form ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 0 18px; border-radius: 8px; border: 1.5px solid transparent; font-weight: 700; font-size: .9375rem; text-decoration: none; transition: background .15s, border-color .15s, transform .1s; white-space: nowrap; line-height: 1; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ink); color: var(--on-ink); } .btn.primary:hover { background: var(--ink-strong); color: var(--on-ink); }
[data-theme='dark'] .btn.primary:hover { background: #B3CBFF; }
.btn.ghost { background: transparent; border-color: var(--border-strong); color: var(--text); } .btn.ghost:hover { background: var(--surface-2); color: var(--text); }
.btn.danger { background: transparent; border-color: var(--err); color: var(--err); } .btn.danger:hover { background: var(--err-soft); }
.btn.lg { min-height: 52px; padding: 0 26px; font-size: 1rem; }
.btn.sm { min-height: 34px; padding: 0 12px; font-size: .84rem; gap: 6px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.icon-btn { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; border: 0; background: transparent; color: var(--muted); } .icon-btn:hover { background: var(--surface-2); color: var(--text); } .icon-btn:disabled { opacity: .3; cursor: default; }
@media (pointer: coarse) { .btn { min-height: 46px; } .btn.sm { min-height: 42px; } .icon-btn { width: 44px; height: 44px; } }
.link-btn { background: none; border: 0; padding: 0; color: var(--ink); text-decoration: underline; text-underline-offset: 3px; font-weight: 500; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field > span, .field > label { font-weight: 700; font-size: .875rem; }
.field small { font-weight: 400; color: var(--muted); }
input[type='text'], input[type='email'], input[type='password'], input[type='number'], input[type='search'], textarea, select.sel { font: inherit; width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 8px; border: 1.5px solid var(--border-strong); background: var(--surface); color: var(--text); }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px var(--ink-soft); }
input.bad { border-color: var(--err); background: var(--err-soft); } input.good { border-color: var(--ok); }
input::placeholder, textarea::placeholder { color: var(--faint); }
select.sel { width: auto; padding-right: 28px; }
select.sm { min-height: 34px; padding: 4px 8px; font-size: .84rem; }
.field-err { color: var(--err); font-size: .84rem; font-weight: 500; min-height: 1.2em; }
.hint { color: var(--muted); font-size: .84rem; }
.pw { position: relative; } .pw input { padding-right: 46px; } .pw .icon-btn { position: absolute; right: 4px; top: 4px; }
.chk { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: .9rem; } .chk input { width: 18px; height: 18px; accent-color: var(--ink); } .chk.sm { font-size: .8rem; color: var(--muted); margin-left: auto; }
.meter { display: flex; gap: 4px; margin-top: 6px; } .meter i { flex: 1; height: 4px; border-radius: 2px; background: var(--border); } .meter i.on { background: var(--err); } .meter.s2 i.on { background: var(--hl-strong); } .meter.s3 i.on, .meter.s4 i.on { background: var(--ok); }

/* ---------- üst çubuk ---------- */
.topbar { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1.5px solid var(--border); }
.topbar .wrap { display: flex; align-items: center; gap: 20px; height: 62px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-family: var(--display); font-weight: 800; font-size: 1.2rem; letter-spacing: -.01em; } .brand:hover { color: var(--text); }
.logo-mark { color: var(--text); flex: none; }
.nav { display: flex; gap: 2px; margin-left: 12px; }
.nav a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 8px; color: var(--muted); text-decoration: none; font-weight: 500; font-size: .94rem; }
.nav a:hover { background: var(--surface-2); color: var(--text); }
.nav a[aria-current='page'] { color: var(--ink); background: var(--ink-soft); font-weight: 700; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.xp-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: var(--hl); font-weight: 700; font-size: .84rem; color: var(--text); text-decoration: none; }
.avatar { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--on-ink); font-weight: 700; font-size: .9rem; text-decoration: none; border: 0; }
.bottom-nav { display: none; }
main { min-height: calc(100dvh - 62px - 120px); }
.page { padding-top: 32px; padding-bottom: 80px; }
.page-head { margin-bottom: 28px; } .page-head p { color: var(--muted); max-width: 62ch; margin: 0; }
.crumbs { font-size: .84rem; color: var(--muted); margin-bottom: 8px; } .crumbs a { color: var(--muted); }

.footer { border-top: 1.5px solid var(--border); padding: 28px 0 40px; color: var(--muted); font-size: .875rem; background: var(--surface); }
.footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; }

@media (max-width: 880px) {
  .nav, .topbar .xp-pill span.long { display: none; }
  .topbar .wrap { padding: 0 16px; gap: 10px; } .wrap { padding: 0 16px; }
  .bottom-nav { display: grid; grid-template-columns: repeat(5, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: var(--surface); border-top: 1.5px solid var(--border); padding-bottom: env(safe-area-inset-bottom); }
  .bottom-nav a, .bottom-nav button { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0 7px; font-size: .7rem; font-weight: 700; color: var(--muted); text-decoration: none; background: none; border: 0; min-height: 56px; }
  .bottom-nav [aria-current='page'] { color: var(--ink); }
  main { padding-bottom: 64px; }
  .page { padding-top: 20px; padding-bottom: 64px; }
}

/* ---------- kartlar & ortak ---------- */
.card { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--r); padding: 20px; box-shadow: var(--sh); }
.card h3 { margin-bottom: .6em; }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px; font-size: .74rem; font-weight: 700; background: var(--surface-2); border: 1px solid var(--border); color: var(--muted); letter-spacing: .01em; }
.chip.d1 { background: var(--ok-soft); border-color: transparent; color: var(--ok); } .chip.d2 { background: var(--warn-soft); border-color: transparent; color: var(--text); } .chip.d3 { background: var(--err-soft); border-color: transparent; color: var(--err); }
.bar { height: 8px; border-radius: 99px; background: var(--surface-3); overflow: hidden; } .bar > i { display: block; height: 100%; background: var(--ink); border-radius: 99px; transition: width .5s cubic-bezier(.2, .8, .2, 1); } .bar.ok > i { background: var(--ok); }
.empty-note { padding: 24px; text-align: center; color: var(--muted); font-size: .9rem; }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px 7px 9px; border-radius: 10px; border: 1.5px solid var(--border); background: var(--surface); font-size: .84rem; font-weight: 700; }
.badge .ic { color: var(--hl-strong); } .badge.locked { opacity: .5; border-style: dashed; } .badge.locked .ic { color: var(--faint); }

.toasts { position: fixed; right: 16px; top: 76px; z-index: 90; display: flex; flex-direction: column; gap: 10px; max-width: min(380px, calc(100vw - 32px)); }
.toast { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 10px; background: var(--text); color: var(--bg); font-size: .9rem; box-shadow: var(--sh); animation: tin .25s ease-out; } .toast .ic { margin-top: 2px; }
.toast.ok .ic { color: #6FE0A0; } .toast.err .ic { color: #FFA59C; } .toast.out { opacity: 0; transform: translateX(20px); transition: all .3s; }
@keyframes tin { from { opacity: 0; transform: translateY(-8px); } }
.modal-back { position: fixed; inset: 0; z-index: 80; background: rgba(10, 14, 20, .55); display: grid; place-items: center; padding: 16px; }
.modal { width: min(520px, 100%); max-height: 90dvh; overflow: auto; background: var(--surface); border-radius: 14px; border: 1.5px solid var(--border); box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .5); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px 0; } .modal-head h2 { margin: 0; font-size: 1.15rem; }
.modal-body { padding: 12px 20px; color: var(--muted); } .modal-foot { display: flex; gap: 8px; justify-content: flex-end; padding: 8px 20px 18px; }

/* ---------- vitrin (landing) ---------- */
.hero { padding: 56px 0 72px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: .84rem; color: var(--ink); background: var(--ink-soft); padding: 5px 12px; border-radius: 999px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(2.5rem, 5.6vw, 4.4rem); line-height: 1; letter-spacing: -.025em; margin-bottom: 20px; }
.hero h1 .mk { background: linear-gradient(transparent 62%, var(--hl) 62%, var(--hl) 92%, transparent 92%); padding: 0 .08em; }
.hero p.lead { font-size: 1.18rem; color: var(--muted); max-width: 46ch; margin-bottom: 28px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.hero .fine { font-size: .875rem; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.demo { position: relative; }
.demo .note-hand { position: absolute; right: 8px; top: -40px; font-family: var(--hand); font-size: 1.6rem; color: var(--ink); transform: rotate(-4deg); display: flex; align-items: flex-end; gap: 4px; pointer-events: none; }
.section { padding: 72px 0; border-top: 1.5px solid var(--border); }
.section.alt { background: var(--surface); }
.sec-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: start; }
.sec-grid h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.05; position: sticky; top: 90px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 28px; counter-reset: s; }
.steps li { display: grid; grid-template-columns: 64px 1fr; gap: 18px; align-items: start; }
.steps .num { font-family: var(--hand); font-weight: 700; font-size: 3.6rem; line-height: .9; color: var(--ink); }
.steps h3 { margin-bottom: 4px; } .steps p { margin: 0; color: var(--muted); }
.toc { list-style: none; margin: 0; padding: 0; }
.toc li { display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 16px; align-items: baseline; padding: 18px 0; border-bottom: 1.5px dashed var(--border-strong); }
.toc li:first-child { border-top: 1.5px dashed var(--border-strong); }
.toc .lv { font-family: var(--hand); font-size: 2.4rem; font-weight: 700; color: var(--ink); line-height: 1; }
.toc b { font-family: var(--display); font-size: 1.2rem; font-weight: 800; display: block; } .toc span.sub { color: var(--muted); font-size: .92rem; }
.board-band { background: #172421; color: #EAF0E6; border-top: 0; position: relative; overflow: hidden; }
.board-band .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.board-band h2 { color: #F3F7EF; font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.board-band p { color: #B9C7BC; max-width: 48ch; }
.chalk { font-family: var(--hand); font-size: 1.9rem; line-height: 1.5; color: #F1F5EC; padding: 28px 32px; border: 3px solid #35463F; border-radius: 6px; background: #1B2A26; box-shadow: inset 0 0 40px rgba(0, 0, 0, .25); transform: rotate(-.6deg); }
.chalk .c2 { color: #9FC1FF; } .chalk .c3 { color: #F2D45C; }
.cta-end { text-align: left; } .cta-end h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); max-width: 18ch; }
@media (max-width: 900px) {
  .hero { padding: 28px 0 48px; } .hero .wrap, .sec-grid, .board-band .wrap { grid-template-columns: 1fr; gap: 32px; }
  .sec-grid h2 { position: static; } .section { padding: 48px 0; } .demo .note-hand { display: none; }
  .steps li { grid-template-columns: 48px 1fr; } .steps .num { font-size: 2.8rem; }
  .toc li { grid-template-columns: 40px 1fr; } .toc li > :last-child { grid-column: 2; }
}

/* ---------- kimlik doğrulama ---------- */
.auth { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: calc(100dvh - 62px); }
.auth-form { padding: 48px 24px; display: flex; justify-content: center; align-items: flex-start; background: var(--surface); }
.auth-box { width: 100%; max-width: 440px; }
.auth-box h1 { font-size: 2rem; margin-bottom: 6px; } .auth-box .sub { color: var(--muted); margin-bottom: 24px; }
.auth-art { background: #172421; color: #EAF0E6; display: flex; align-items: center; justify-content: center; padding: 40px; }
.auth-art .chalk { font-size: 1.7rem; max-width: 460px; }
.uni-tag { display: none; align-items: center; gap: 8px; font-size: .84rem; font-weight: 700; color: var(--ok); background: var(--ok-soft); padding: 6px 10px; border-radius: 8px; margin-top: 6px; } .uni-tag.show { display: inline-flex; }
.alert { padding: 12px 14px; border-radius: 8px; font-size: .9rem; margin-bottom: 16px; display: flex; gap: 10px; align-items: flex-start; } .alert.err { background: var(--err-soft); color: var(--err); } .alert.info { background: var(--warn-soft); color: var(--text); } .alert.ok { background: var(--ok-soft); color: var(--ok); }
.alt-link { margin-top: 20px; font-size: .94rem; color: var(--muted); }
.code-input { font-family: var(--mono); font-size: 1.6rem; letter-spacing: .5em; text-align: center; }
.mailbox { border: 1.5px dashed var(--border-strong); border-radius: 10px; padding: 14px 16px; margin-bottom: 20px; background: var(--warn-soft); }
.mailbox h4 { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; font-size: .92rem; } .mailbox p { font-size: .84rem; color: var(--muted); margin-bottom: 10px; }
.mail { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: .88rem; margin-top: 8px; } .mail .code { font-family: var(--mono); font-size: 1.4rem; font-weight: 700; letter-spacing: .2em; color: var(--ink); } .mail small { color: var(--muted); display: block; }
@media (max-width: 880px) { .auth { grid-template-columns: 1fr; } .auth-art { display: none; } .auth-form { padding: 28px 16px; } }

/* ---------- panel ---------- */
.dash-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 28px; align-items: start; }
.greet { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 28px; }
.greet h1 { margin: 0; } .greet p { margin: 4px 0 0; color: var(--muted); }
.continue { display: grid; gap: 14px; position: relative; overflow: hidden; }
.continue .kicker { font-family: var(--hand); font-size: 1.5rem; color: var(--ink); line-height: 1; }
.continue h2 { font-size: 1.7rem; margin: 0; } .continue .meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); font-size: .88rem; align-items: center; }
.lvl-list { display: grid; gap: 14px; margin-top: 8px; }
.lvl-row { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; gap: 14px; align-items: center; }
.lvl-row .n { font-family: var(--hand); font-weight: 700; font-size: 2rem; color: var(--ink); line-height: 1; }
.lvl-row b { display: block; font-size: .98rem; } .lvl-row .bar { margin-top: 6px; } .lvl-row .pct { font-weight: 700; font-size: .88rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.stat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat { padding: 12px 14px; border-radius: 10px; background: var(--surface-2); } .stat b { display: block; font-family: var(--display); font-size: 1.6rem; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; } .stat span { font-size: .78rem; color: var(--muted); font-weight: 500; }
.side-stack { display: grid; gap: 20px; }
.rank-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; font-size: .88rem; } .rank-row b { font-family: var(--display); font-size: 1.2rem; }
.qday { display: grid; gap: 10px; } .qday p { margin: 0; }
@media (max-width: 960px) { .dash-grid { grid-template-columns: 1fr; } }

/* ---------- ders haritası ---------- */
.course-level { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 32px; padding: 32px 0; border-top: 1.5px dashed var(--border-strong); }
.course-level:first-of-type { border-top: 0; padding-top: 0; }
.cl-side { position: sticky; top: 86px; align-self: start; } .cl-side .n { font-family: var(--hand); font-size: 3.4rem; font-weight: 700; color: var(--ink); line-height: .9; } .cl-side h2 { font-size: 1.3rem; margin: 4px 0 6px; } .cl-side p { color: var(--muted); font-size: .88rem; margin-bottom: 10px; }
.mods { display: grid; gap: 10px; }
.mod { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 16px; align-items: center; padding: 16px 18px; border: 1.5px solid var(--border); background: var(--surface); border-radius: var(--r); text-decoration: none; color: var(--text); transition: border-color .15s, transform .15s, box-shadow .15s; }
.mod:hover { border-color: var(--ink); transform: translateY(-1px); box-shadow: var(--sh); color: var(--text); }
.mod .no { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; background: var(--surface-2); border: 1.5px solid var(--border-strong); font-variant-numeric: tabular-nums; }
.mod.done .no { background: var(--ok); border-color: var(--ok); color: #fff; } [data-theme='dark'] .mod.done .no { color: #0E2A1B; }
.mod h3 { margin: 0 0 2px; font-size: 1.05rem; } .mod p { margin: 0; color: var(--muted); font-size: .88rem; }
.mod .right { text-align: right; min-width: 96px; font-size: .8rem; color: var(--muted); } .mod .right .bar { margin-top: 6px; }
@media (max-width: 760px) { .course-level { grid-template-columns: 1fr; gap: 14px; } .cl-side { position: static; display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; } .cl-side .n { font-size: 2.4rem; } .cl-side p { flex-basis: 100%; margin: 0; } .mod { grid-template-columns: 36px 1fr; padding: 14px; gap: 12px; } .mod .no { width: 36px; height: 36px; } .mod .right { grid-column: 2; text-align: left; } }

/* ---------- ders sayfası ---------- */
.lesson { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 48px; align-items: start; }
.lesson-main { min-width: 0; max-width: 780px; }
.lesson-head { margin-bottom: 20px; } .lesson-head h1 { margin-bottom: 8px; } .lesson-head .meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--muted); font-size: .88rem; align-items: center; }
.goals { margin: 18px 0 0; padding: 16px 18px; border: 1.5px dashed var(--border-strong); border-radius: var(--r); background: var(--surface); }
.goals h4 { font-family: var(--hand); font-size: 1.5rem; color: var(--ink); margin-bottom: 6px; font-weight: 700; } .goals ul { margin: 0; padding-left: 1.2em; } .goals li { margin: 2px 0; }
.seg { display: inline-flex; padding: 4px; background: var(--surface-2); border: 1.5px solid var(--border); border-radius: 10px; gap: 4px; margin: 20px 0 8px; }
.seg a, .seg button { padding: 8px 16px; border-radius: 7px; text-decoration: none; font-weight: 700; font-size: .9rem; color: var(--muted); background: none; border: 0; display: inline-flex; gap: 8px; align-items: center; }
.seg [aria-current='page'], .seg [aria-selected='true'] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }
.prose { font-size: 1.0625rem; line-height: 1.7; } .prose > h3 { margin: 2em 0 .5em; font-size: 1.3rem; scroll-margin-top: 84px; } .prose p { max-width: 68ch; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1em; } .prose li { margin: .3em 0; }
.note { display: grid; grid-template-columns: 24px 1fr; gap: 12px; padding: 14px 16px; border-radius: var(--r); margin: 20px 0; border: 1.5px solid var(--border); background: var(--surface); border-left-width: 5px; font-size: .98rem; }
.note b.t { display: block; margin-bottom: 2px; } .note p { margin: 0; }
.note.class { border-left-color: var(--ink); background: var(--ink-soft); } .note.class .ic { color: var(--ink); }
.note.tip { border-left-color: var(--ok); background: var(--ok-soft); } .note.tip .ic { color: var(--ok); }
.note.warn { border-left-color: var(--err); background: var(--err-soft); } .note.warn .ic { color: var(--err); }
.note.info { border-left-color: var(--hl-strong); background: var(--warn-soft); } .note.info .ic { color: var(--text); }
.tbl-wrap { overflow-x: auto; margin: 20px 0; border: 1.5px solid var(--border); border-radius: var(--r); background: var(--surface); }
table.tbl { border-collapse: collapse; width: 100%; font-size: .92rem; } table.tbl th { text-align: left; background: var(--surface-2); font-weight: 700; padding: 10px 14px; border-bottom: 1.5px solid var(--border-strong); white-space: nowrap; } table.tbl td { padding: 10px 14px; border-top: 1px solid var(--border); vertical-align: top; } table.tbl tr:first-child td { border-top: 0; }
.tbl-cap { font-size: .84rem; color: var(--muted); margin: -12px 0 20px; }
.board { margin: 28px 0; border-radius: 8px; padding: 10px; background: linear-gradient(#E9E6DC, #D8D4C6); box-shadow: var(--sh); position: relative; }
.board::after { content: ''; position: absolute; left: 12%; right: 12%; bottom: -9px; height: 9px; background: #B9B4A3; border-radius: 0 0 6px 6px; }
.board-in { background: #FDFDFB; border-radius: 4px; padding: 22px 28px 26px; box-shadow: inset 0 0 0 1px #D1CDBF; color: #1B3A8F; }
.board h4 { font-family: var(--hand); font-size: 1.7rem; font-weight: 700; margin: 0 0 8px; color: #C0392B; }
.board ol { margin: 0; padding: 0; list-style: none; } .board li { font-family: var(--hand); font-size: 1.75rem; line-height: 1.35; font-weight: 500; }
[data-theme='dark'] .board { background: linear-gradient(#3B3A33, #2D2C26); } [data-theme='dark'] .board-in { background: #1B2A26; color: #F1F5EC; box-shadow: inset 0 0 0 1px #35463F; } [data-theme='dark'] .board h4 { color: #F2D45C; } [data-theme='dark'] .board::after { background: #4A4940; }
.static-code { margin: 20px 0; border: 1.5px solid var(--border-strong); border-radius: var(--r); overflow: hidden; background: var(--surface); }
.static-code .h { padding: 8px 14px; background: var(--surface-2); font-weight: 700; font-size: .84rem; border-bottom: 1.5px solid var(--border); display: flex; gap: 8px; align-items: center; }
.static-code pre { padding: 12px 16px; overflow-x: auto; font-size: .88rem; line-height: 1.7; }
.fig-cap { margin: -8px 0 20px; font-size: .9rem; color: var(--muted); max-width: 68ch; }
.side-toc { position: sticky; top: 86px; font-size: .88rem; } .side-toc h4 { font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); font-family: var(--body); font-weight: 700; margin-bottom: 8px; }
.side-toc a { display: block; padding: 6px 0 6px 12px; color: var(--muted); text-decoration: none; border-left: 2px solid var(--border); } .side-toc a:hover { color: var(--ink); border-color: var(--ink); }
.lesson-end { margin-top: 40px; padding: 22px; border-radius: var(--r); background: var(--ink-soft); display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap; } .lesson-end h3 { margin: 0 0 2px; } .lesson-end p { margin: 0; color: var(--muted); }
@media (max-width: 1000px) { .lesson { grid-template-columns: 1fr; } .side-toc { display: none; } }

/* ---------- görselleştirici ---------- */
.viz-wrap { margin: 24px 0; }
.viz { container-type: inline-size; border: 1.5px solid var(--border-strong); border-radius: var(--r); background: var(--surface); overflow: hidden; box-shadow: var(--sh); }
.viz-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 12px 8px 14px; background: var(--surface-2); border-bottom: 1.5px solid var(--border); flex-wrap: wrap; }
.viz-title { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: .9rem; } .viz-title .ic { color: var(--ink); }
.viz-langs, .viz-tabs { display: flex; gap: 2px; align-items: center; }
.viz-langs button { padding: 5px 12px; border-radius: 6px; border: 0; background: none; font-size: .8rem; font-weight: 700; color: var(--muted); } .viz-langs button[aria-selected='true'] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, .15); }
.viz-body { display: grid; grid-template-columns: 1fr; }
.viz-codewrap { border-bottom: 1.5px solid var(--border); min-width: 0; }
.viz-side { padding: 12px 14px 14px; display: grid; gap: 10px; min-width: 0; align-content: start; }
@container (min-width: 820px) { .viz-body { grid-template-columns: minmax(300px, .85fr) minmax(0, 1.25fr); } .viz-codewrap { border-bottom: 0; border-right: 1.5px solid var(--border); } }
.cl-list { list-style: none; margin: 0; padding: 8px 0; counter-reset: none; }
.cl { display: flex; align-items: stretch; min-height: 26px; font-family: var(--mono); font-size: .875rem; line-height: 26px; transition: background .15s; }
.cl .gn { flex: none; width: 40px; text-align: right; padding-right: 12px; font-family: var(--hand); font-weight: 700; font-size: 1.2rem; color: var(--ink); user-select: none; }
.cl .ct { white-space: pre; padding-right: 14px; } .viz-code { overflow-x: auto; max-height: 420px; overflow-y: auto; }
.cl.was { background: color-mix(in srgb, var(--ink-soft) 70%, transparent); }
.cl.is-next { background: var(--hl); box-shadow: inset 4px 0 0 var(--ink); }
.cl.is-err { background: var(--err-soft); box-shadow: inset 4px 0 0 var(--err); }
.ed { display: flex; position: relative; max-height: 420px; overflow: auto; background: var(--surface); }
.ed-gutter { position: sticky; left: 0; z-index: 2; flex: none; width: 42px; padding: 10px 0; background: var(--surface-2); border-right: 1px solid var(--border); text-align: right; user-select: none; }
.ed .gl { height: 24px; line-height: 24px; padding-right: 10px; font-family: var(--hand); font-weight: 700; font-size: 1.2rem; color: var(--ink); } .ed .gl.is-err { background: var(--err-soft); color: var(--err); }
.ed-main { position: relative; flex: 1; min-width: 0; }
.ed-hl { position: absolute; left: 0; right: 0; height: 24px; background: var(--hl); box-shadow: inset 4px 0 0 var(--ink); pointer-events: none; } .ed-hl.err { background: var(--err-soft); box-shadow: inset 4px 0 0 var(--err); }
.ed-ta { position: relative; display: block; border: 0; border-radius: 0; background: transparent; resize: none; overflow: hidden; font-family: var(--mono); font-size: .875rem; line-height: 24px; padding: 10px 14px; min-height: 96px; color: var(--text); white-space: pre; tab-size: 2; width: 100%; }
.ed-ta:focus { box-shadow: none; }
.viz-err { padding: 10px 14px; background: var(--err-soft); color: var(--err); font-size: .88rem; border-top: 1px solid var(--border); }
.viz-alt { padding: 0 0 6px; } .alt-pre { padding: 14px 16px; overflow-x: auto; font-size: .86rem; line-height: 1.7; } .alt-note { margin: 0; padding: 0 16px 10px; font-size: .8rem; color: var(--muted); }
.viz-ctl { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: flex-end; }
.viz-inp { display: flex; flex-direction: column; gap: 4px; flex: 1 1 180px; font-size: .78rem; font-weight: 700; } .viz-inp small { font-weight: 400; color: var(--muted); } .viz-inp input { min-height: 38px; font-family: var(--mono); font-size: .875rem; }
.viz-btns { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.viz-prompt { background: var(--warn-soft); border: 1.5px solid var(--hl-strong); border-radius: 8px; padding: 10px 12px; } .viz-prompt label { display: block; font-size: .84rem; font-weight: 700; margin-bottom: 6px; } .viz-prompt .row { display: flex; gap: 8px; } .viz-prompt input { min-height: 38px; font-family: var(--mono); }
.viz-vars { display: flex; flex-wrap: wrap; gap: 6px; min-height: 30px; align-items: center; }
.vchip { display: inline-flex; border: 1.5px solid var(--border-strong); border-radius: 7px; overflow: hidden; font-family: var(--mono); font-size: .84rem; background: var(--surface); } .vchip b { background: var(--surface-2); padding: 3px 8px; border-right: 1.5px solid var(--border-strong); } .vchip i { font-style: normal; padding: 3px 10px; font-weight: 700; }
.vchip.chg { border-color: var(--hl-strong); } .vchip.chg i { background: var(--hl); } .vhint { font-size: .8rem; color: var(--muted); }
.viz-tabs { border-bottom: 1.5px solid var(--border); gap: 4px; }
.viz-tabs button { display: inline-flex; gap: 6px; align-items: center; padding: 7px 10px; background: none; border: 0; border-bottom: 3px solid transparent; margin-bottom: -1.5px; font-size: .84rem; font-weight: 700; color: var(--muted); } .viz-tabs button[aria-selected='true'] { color: var(--ink); border-bottom-color: var(--ink); }
.viz-pane { max-height: 300px; overflow: auto; border: 1.5px solid var(--border); border-radius: 8px; background: var(--surface); } .viz-flowp { max-height: 440px; text-align: center; padding: 8px; }
table.trace { border-collapse: collapse; width: 100%; font-size: .8125rem; font-family: var(--mono); }
table.trace th { position: sticky; top: 0; z-index: 1; background: var(--surface-2); text-align: left; font-weight: 700; padding: 7px 10px; border-bottom: 1.5px solid var(--border-strong); white-space: nowrap; font-family: var(--body); }
table.trace td { padding: 6px 10px; border-top: 1px solid var(--border); vertical-align: top; }
table.trace .c-no, table.trace .c-st { color: var(--muted); text-align: right; width: 1%; } table.trace .c-op code { background: none; border: 0; padding: 0; white-space: nowrap; font-size: inherit; }
table.trace .c-v { text-align: center; min-width: 52px; font-weight: 700; border-left: 1px dashed var(--border); } table.trace .c-v.chg { background: var(--hl); } table.trace .c-v.dim { color: var(--faint); font-weight: 400; }
table.trace .c-note { font-family: var(--body); color: var(--muted); min-width: 160px; border-left: 1px dashed var(--border); }
table.trace tr.last td { background: var(--ink-soft); } table.trace tr.last .c-v.chg { background: var(--hl); } table.trace td.more { text-align: center; color: var(--muted); font-family: var(--body); }
.viz-out { border: 1.5px solid var(--border-strong); border-radius: 8px; overflow: hidden; background: #141B1D; color: #D6F5DC; }
.viz-out-head { display: flex; justify-content: space-between; padding: 5px 12px; background: #202B2D; font-size: .75rem; font-weight: 700; color: #A9B5AD; letter-spacing: .04em; text-transform: uppercase; }
.viz-status.ok { color: #7FD8A4; } .viz-status.err { color: #FF9990; }
.viz-console { padding: 10px 12px; min-height: 40px; max-height: 160px; overflow: auto; font-size: .875rem; line-height: 1.55; white-space: pre-wrap; } .viz-console.empty::before { content: 'Henüz çıktı yok'; color: #6E7C76; }
.flow-svg { max-width: 100%; height: auto; display: inline-block; }
.fc-shape { fill: var(--surface); stroke: var(--text); stroke-width: 1.5; transition: fill .15s; } .fc-dec { fill: var(--ink-soft); }
.fc-node.is-active .fc-shape { fill: var(--hl); stroke: var(--ink); stroke-width: 2.6; }
.fc-text { font-family: var(--mono); font-size: 12px; font-weight: 500; fill: var(--text); }
.fc-lab { font-family: var(--hand); font-weight: 700; font-size: 16px; fill: var(--ink); }
.fc-edge { fill: none; stroke: var(--muted); stroke-width: 1.5; } .fc-ahp { fill: var(--muted); }
.viz.compact .viz-pane { max-height: 220px; }

/* ---------- sorular ---------- */
.q-section { margin-top: 32px; }
.q-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 20px; }
.q-pill { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: .9rem; border: 1.5px solid var(--border-strong); background: var(--surface); color: var(--text); text-decoration: none; position: relative; font-variant-numeric: tabular-nums; }
.q-pill.on { border-color: var(--ink); box-shadow: 0 0 0 3px var(--ink-soft); } .q-pill.done { background: var(--ok); border-color: var(--ok); color: #fff; } [data-theme='dark'] .q-pill.done { color: #0E2A1B; } .q-pill.wrongp { border-color: var(--err); color: var(--err); }
.qcard { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--r); padding: 22px; box-shadow: var(--sh); }
.q-head { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; } .q-xp { margin-left: auto; font-size: .84rem; font-weight: 700; color: var(--muted); display: inline-flex; gap: 4px; align-items: center; }
.q-text { font-size: 1.08rem; font-weight: 500; margin-bottom: 16px; max-width: 70ch; }
.q-code { border: 1.5px solid var(--border-strong); border-radius: 8px; margin-bottom: 16px; overflow: hidden; background: var(--surface); } .q-code .cl-list { overflow-x: auto; } .q-inputs { padding: 8px 14px; background: var(--surface-2); border-top: 1px solid var(--border); font-size: .84rem; display: flex; gap: 10px; } .q-inputs b { font-family: var(--mono); }
.q-examples { display: grid; gap: 8px; margin-bottom: 16px; } .q-examples .ex { padding: 10px 14px; border-radius: 8px; background: var(--surface-2); font-size: .88rem; display: grid; gap: 2px; } .q-examples .ex > span { font-family: var(--hand); font-size: 1.2rem; font-weight: 700; color: var(--ink); line-height: 1.1; } .q-examples .ex div { font-family: var(--mono); font-size: .84rem; }
.opts { display: grid; gap: 10px; max-width: 720px; }
.opt { display: flex; gap: 14px; align-items: center; text-align: left; padding: 12px 14px; min-height: 52px; border: 1.5px solid var(--border-strong); background: var(--surface); border-radius: 10px; transition: border-color .15s, background .15s; }
.opt:hover:not(:disabled) { border-color: var(--ink); background: var(--ink-soft); } .opt .key { width: 28px; height: 28px; flex: none; border-radius: 6px; display: grid; place-items: center; background: var(--surface-2); font-weight: 700; font-size: .84rem; border: 1px solid var(--border-strong); }
.opt.sel { border-color: var(--ink); background: var(--ink-soft); } .opt.wrong { border-color: var(--err); background: var(--err-soft); opacity: .8; text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--err) 60%, transparent); } .opt.right { border-color: var(--ok); background: var(--ok-soft); text-decoration: none; opacity: 1; } .opt:disabled { cursor: default; }
.fields { display: grid; gap: 12px; max-width: 520px; } .fields .field { margin: 0; } .fields input { font-family: var(--mono); }
.ord { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; max-width: 720px; }
.ord-i { display: grid; grid-template-columns: 32px 1fr auto; gap: 12px; align-items: center; padding: 8px 8px 8px 14px; border: 1.5px solid var(--border-strong); border-radius: 10px; background: var(--surface); cursor: grab; } .ord-i.drag { opacity: .4; } .ord-i.ok { border-color: var(--ok); background: var(--ok-soft); } .ord-i.bad { border-color: var(--err); background: var(--err-soft); }
.ord-n { font-family: var(--hand); font-weight: 700; font-size: 1.5rem; color: var(--ink); text-align: center; } .ord-mv { display: flex; }
.q-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; } .q-actions:empty { display: none; }
.q-fb { margin-top: 16px; } .q-fb:empty { display: none; }
.fb { display: grid; grid-template-columns: 24px 1fr; gap: 12px; padding: 14px 16px; border-radius: 10px; font-size: .96rem; } .fb.ok { background: var(--ok-soft); } .fb.ok .ic { color: var(--ok); } .fb.err { background: var(--err-soft); } .fb.err .ic { color: var(--err); } .fb.info { background: var(--warn-soft); }
.fb .gain { display: inline-block; background: var(--hl); padding: 1px 8px; border-radius: 99px; font-weight: 700; font-size: .84rem; }
.fb p { margin: 8px 0 0; } .fb .tip { font-size: .88rem; color: var(--muted); }
.tests { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 6px; font-size: .88rem; } .tests li { display: flex; gap: 8px; align-items: flex-start; } .tests li.ok .ic { color: var(--ok); } .tests li.bad .ic { color: var(--err); } .tests li .ic { margin-top: 3px; }
.sol { margin-top: 10px; } .sol summary { cursor: pointer; font-weight: 700; } pre.solution, .sol pre { margin: 8px 0; padding: 10px 14px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 8px; overflow-x: auto; font-size: .86rem; line-height: 1.7; }
.q-extra { margin-top: 16px; } .q-extra:empty { display: none; }
.q-editor { margin-bottom: 4px; }
.q-foot { display: flex; justify-content: space-between; gap: 12px; margin-top: 20px; flex-wrap: wrap; }

/* ---------- pratik / sınav / araçlar ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 16px 24px; padding: 16px 18px; border: 1.5px solid var(--border); border-radius: var(--r); background: var(--surface); margin-bottom: 20px; align-items: flex-end; }
.filters .grp { display: grid; gap: 6px; } .filters .grp > span { font-size: .74rem; font-weight: 700; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.pillset { display: flex; flex-wrap: wrap; gap: 6px; } .pillset button { padding: 6px 12px; border-radius: 999px; border: 1.5px solid var(--border-strong); background: var(--surface); font-size: .84rem; font-weight: 700; color: var(--muted); min-height: 34px; } .pillset button[aria-pressed='true'] { background: var(--ink); border-color: var(--ink); color: var(--on-ink); }
.qlist { display: grid; gap: 8px; }
.qrow { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: var(--r); background: var(--surface); text-decoration: none; color: var(--text); } .qrow:hover { border-color: var(--ink); color: var(--text); }
.qrow .st { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--border-strong); display: grid; place-items: center; color: #fff; } .qrow .st.ok { background: var(--ok); border-color: var(--ok); } .qrow .st.bad { border-color: var(--err); }
.qrow .t { font-size: .96rem; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; } .qrow .m { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.hub { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 28px; } .hub a { display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 18px; border: 1.5px solid var(--border); border-radius: var(--r); background: var(--surface); text-decoration: none; color: var(--text); } .hub a:hover { border-color: var(--ink); color: var(--text); } .hub .ico { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; background: var(--ink-soft); color: var(--ink); } .hub h3 { margin: 0 0 2px; font-size: 1.05rem; } .hub p { margin: 0; color: var(--muted); font-size: .88rem; }
.exam-bar { position: sticky; top: 62px; z-index: 20; display: flex; align-items: center; gap: 16px; padding: 10px 16px; border: 1.5px solid var(--border); background: var(--surface); border-radius: var(--r); margin-bottom: 20px; flex-wrap: wrap; } .timer { font-family: var(--mono); font-weight: 700; font-size: 1.15rem; display: inline-flex; gap: 8px; align-items: center; } .timer.low { color: var(--err); }
.score { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; padding: 24px; border: 1.5px solid var(--border); border-radius: var(--r); background: var(--surface); margin-bottom: 24px; } .score .big { font-family: var(--display); font-weight: 800; font-size: 3.6rem; line-height: 1; } .score .big small { font-size: 1.4rem; color: var(--muted); }
.cfg { display: grid; gap: 20px; max-width: 720px; }
.atolye { display: grid; gap: 16px; } .atolye .tools { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.ref { display: grid; gap: 28px; } .ref section { scroll-margin-top: 90px; } .ref-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; } .ref-nav a { padding: 6px 14px; border-radius: 999px; border: 1.5px solid var(--border-strong); text-decoration: none; font-weight: 700; font-size: .84rem; color: var(--text); background: var(--surface); } .ref-nav a:hover { background: var(--ink-soft); border-color: var(--ink); }
.sym { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; } .sym > div { padding: 14px; border: 1.5px solid var(--border); border-radius: var(--r); background: var(--surface); text-align: center; font-size: .86rem; } .sym svg { display: block; margin: 0 auto 8px; } .sym b { display: block; }
.sym .fc-shape { fill: var(--surface-2); }
.profile-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: start; } .profile-grid .full { grid-column: 1 / -1; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.hist { display: grid; gap: 8px; font-size: .9rem; } .hist div { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--border-strong); }
@media (max-width: 760px) { .hub, .profile-grid { grid-template-columns: 1fr; } .qrow { grid-template-columns: 24px 1fr; } .qrow .m { grid-column: 2; justify-content: flex-start; } .card { padding: 16px; } .qcard { padding: 16px; } .exam-bar { top: 62px; } .toasts { top: 70px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }

/* ---------- küçük ekran düzeltmeleri ---------- */
.brand span { white-space: nowrap; }
.viz-tabs { flex-wrap: wrap; }
.viz-tabs button span { white-space: nowrap; }
@container (max-width: 560px) { .viz-tabs .chk.sm { flex-basis: 100%; margin: 6px 0 2px; } .viz-tabs { border-bottom: 0; } .viz-tabs button { border-bottom-width: 3px; } }
@media (max-width: 880px) {
  .brand { font-size: 1.05rem; gap: 8px; } .brand .logo-mark { width: 26px; height: 26px; }
  .footer { padding-bottom: 88px; } .footer .wrap { flex-direction: column; }
  .hero h1 { font-size: 2.3rem; } .xp-pill { padding: 6px 10px; }
}
h1, h2, h3, h4, .brand { word-spacing: .1em; }
@media (max-width: 480px) { .top-actions .btn.ghost { display: none; } .top-actions { gap: 6px; } }