/* Januszek ai — "Good Trouble" design system. Shared by the signup page, the drop portal, the privacy page
   and the design sheet (design/index.html). Bold type + calm layout + one strong accent (orange); lime only
   for XP. Light paper screens by default, dark surfaces for reels, one orange moment at the end of a drop. */

:root {
  /* backgrounds */
  --color-background: #F4F0E8;
  --color-surface: #FFFCF6;
  --color-surface-muted: #EBE6DC;
  /* type */
  --color-text: #20211F;
  --color-text-secondary: #66665E;
  --color-text-inverse: #F4F0E8;
  --color-text-inverse-secondary: #B5B2A8;
  /* brand */
  --color-primary: #F05A28;
  --color-primary-hover: #D94B1C;
  --color-primary-soft: #FBE0D3;
  --color-primary-text: #B23C10;     /* orange as text on paper: 4.9:1 (the base orange is only 3:1) */
  /* accents */
  --color-accent: #E8F36A;
  --color-accent-soft: #F3F7CA;
  /* borders */
  --color-border: #D6D2C9;
  --color-border-strong: #A7A399;
  --color-border-input: #86827A;     /* 3:1 against paper, so field edges stay visible (WCAG 1.4.11) */
  /* dark surfaces */
  --color-dark: #171B1B;
  --color-dark-surface: #252A2A;
  --color-dark-border: #3D4444;
  /* feedback */
  --color-success: #35764D;
  --color-success-soft: #E1EEDF;
  --color-error: #B74132;
  --color-error-soft: #F6DED8;
  --color-warning: #A65B20;

  --font-display: 'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', Menlo, Consolas, monospace;

  /* 4px spacing scale */
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 20px; --s6: 24px; --s8: 32px; --s10: 40px; --s12: 48px;
  --r-sm: 8px; --r-md: 12px; --r-lg: 16px;
  --gx: max(16px, env(safe-area-inset-left, 0px)); --gxr: max(16px, env(safe-area-inset-right, 0px));
  --ease: cubic-bezier(.2, .7, .2, 1);
  --t-fast: .16s; --t-mid: .28s;

  color-scheme: light;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--color-background); color: var(--color-text); font-family: var(--font-body); font-size: 17px; line-height: 1.5; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
a { color: var(--color-text); text-decoration-color: var(--color-primary); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--color-primary-text); }
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ── type ── */
.label { font: 500 12px/1.2 var(--font-mono); letter-spacing: .09em; text-transform: uppercase; color: var(--color-text-secondary); }
.label b, .label.accent { color: var(--color-primary-text); font-weight: 500; }
.display { font-family: var(--font-display); font-weight: 800; letter-spacing: -.03em; line-height: .98; text-wrap: balance; margin: 0; }
/* the one highlight: a thick orange marker under the important words */
.mark, h1 em, h2 em, h3 em { font-style: normal; background: linear-gradient(transparent 64%, var(--color-primary) 64%, var(--color-primary) 90%, transparent 90%); padding: 0 .04em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
code { font: 500 .86em/1.3 var(--font-mono); background: var(--color-surface-muted); padding: 1px 5px; border-radius: 4px; }

/* ── wordmark ── */
.wordmark { display: inline-flex; align-items: center; gap: 5px; font: 800 19px/1 var(--font-display); letter-spacing: -.02em; color: var(--color-text); text-decoration: none; white-space: nowrap; }
.wordmark i { font: 500 11px/1 var(--font-mono); font-style: normal; letter-spacing: .04em; background: var(--color-primary); color: var(--color-text); padding: 3px 5px 4px; border-radius: 4px; transform: translateY(-1px); }

/* ── buttons ── */
.btn { position: relative; display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 56px; padding: 14px 20px; border-radius: var(--r-md); font: 700 17px/1.2 var(--font-body); text-decoration: none; text-align: center; transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast); }
.btn:active:not([disabled]) { transform: translateY(1px); }
.btn small { font: 500 11px/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; opacity: .8; }
.btn.stack { flex-direction: column; gap: 5px; padding-top: 12px; padding-bottom: 12px; }
.btn .arr { width: 20px; height: 20px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; transition: transform var(--t-fast) var(--ease); }
.btn:hover:not([disabled]) .arr { transform: translateX(3px); }
.btn-primary { background: var(--color-primary); color: var(--color-text); box-shadow: inset 0 -3px 0 rgba(32,33,31,.18); }
.btn-primary:hover:not([disabled]) { background: var(--color-primary-hover); color: var(--color-text); }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border: 1.5px solid var(--color-text); }
.btn-secondary:hover:not([disabled]) { background: var(--color-surface-muted); color: var(--color-text); }
.btn-dark { background: var(--color-text); color: var(--color-text-inverse); }
.btn-dark:hover:not([disabled]) { background: #000; color: var(--color-text-inverse); }
.btn-text { width: auto; min-height: 44px; padding: 10px 4px; font: 500 13px/1 var(--font-mono); letter-spacing: .04em; text-decoration: underline; text-decoration-color: var(--color-border-strong); text-underline-offset: 4px; color: var(--color-text-secondary); }
.btn-text:hover { color: var(--color-text); text-decoration-color: var(--color-primary); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn.is-loading { color: transparent !important; pointer-events: none; }
.btn.is-loading::after { content: ""; position: absolute; width: 20px; height: 20px; border-radius: 50%; border: 2.5px solid var(--color-text); border-right-color: transparent; animation: gt-spin .7s linear infinite; }
.btn-dark.is-loading::after { border-color: var(--color-text-inverse); border-right-color: transparent; }
@keyframes gt-spin { to { transform: rotate(360deg); } }

/* ── fields ── */
.field { display: flex; flex-direction: column; gap: 6px; }
.field > label, .field .field-label { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; font: 500 15px/1.3 var(--font-body); color: var(--color-text); }
.opt-tag { font: 500 10.5px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--color-text-secondary); white-space: nowrap; }
.input, .textarea { width: 100%; min-height: 48px; background: var(--color-surface); border: 1px solid var(--color-border-input); border-radius: var(--r-sm); padding: 12px 14px; color: var(--color-text); font-size: 16px; line-height: 1.4; transition: border-color var(--t-fast), box-shadow var(--t-fast); }
.textarea { min-height: 84px; resize: vertical; }
.input::placeholder, .textarea::placeholder { color: #8B887F; }
.input:hover, .textarea:hover { border-color: var(--color-text); }
.input:focus, .textarea:focus { outline: none; border-color: var(--color-text); box-shadow: 0 0 0 3px var(--color-primary); }
.input[disabled], .textarea[disabled] { background: var(--color-surface-muted); color: var(--color-text-secondary); }
.input[aria-invalid="true"] { border-color: var(--color-error); }

/* checkbox */
.check { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; line-height: 1.5; color: var(--color-text-secondary); cursor: pointer; }
.check input { appearance: none; -webkit-appearance: none; flex: 0 0 auto; width: 24px; height: 24px; margin: 0; border: 1.5px solid var(--color-text); border-radius: 6px; background: var(--color-surface); display: grid; place-items: center; cursor: pointer; transition: background var(--t-fast); }
.check input::after { content: ""; width: 12px; height: 7px; border: solid var(--color-text); border-width: 0 0 2.5px 2.5px; transform: rotate(-45deg) translate(1px, -1px) scale(0); transition: transform var(--t-fast) var(--ease); }
.check input:checked { background: var(--color-primary); }
.check input:checked::after { transform: rotate(-45deg) translate(1px, -1px) scale(1); }
.check input:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.check a { color: var(--color-text); }

/* segmented choice (Instagram / TikTok) */
.seg { display: inline-flex; padding: 3px; gap: 3px; border-radius: var(--r-sm); background: var(--color-surface-muted); width: max-content; }
.seg button { min-height: 38px; padding: 8px 14px; border-radius: 6px; font: 500 12px/1 var(--font-mono); letter-spacing: .05em; color: var(--color-text-secondary); }
.seg button[aria-pressed="true"] { background: var(--color-surface); color: var(--color-text); box-shadow: 0 1px 0 var(--color-border-strong); }

/* ── chips ── */
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border-radius: 6px; font: 500 11px/1 var(--font-mono); letter-spacing: .07em; text-transform: uppercase; white-space: nowrap; background: var(--color-surface-muted); color: var(--color-text); width: max-content; }
.chip-primary { background: var(--color-primary); color: var(--color-text); }
.chip-soft { background: var(--color-primary-soft); color: var(--color-primary-text); }
.chip-xp { background: var(--color-accent); color: var(--color-text); }
.chip-done { background: var(--color-success-soft); color: var(--color-success); }
.chip-dark { background: var(--color-text); color: var(--color-text-inverse); }
.chip-line { background: transparent; border: 1px solid var(--color-border-strong); color: var(--color-text-secondary); }

/* ── answer card (signup quiz, quiz of the day, quiz between drops) ── */
.opt { display: flex; align-items: flex-start; gap: 14px; width: 100%; min-height: 60px; padding: 14px 16px; border-radius: var(--r-md); border: 1.5px solid var(--color-border); background: var(--color-surface); text-align: left; transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast); }
.opt:hover { border-color: var(--color-text); }
.opt:active { transform: translateY(1px); }
.opt .k { flex: 0 0 auto; min-width: 26px; padding-top: 3px; font: 500 12px/1 var(--font-mono); color: var(--color-text-secondary); letter-spacing: .04em; }
.opt .t { display: block; font: 700 17px/1.25 var(--font-body); color: var(--color-text); }
.opt .s { display: block; margin-top: 3px; font: 400 14.5px/1.4 var(--font-body); color: var(--color-text-secondary); }
.opt.on { border-color: var(--color-primary); background: var(--color-primary-soft); box-shadow: inset 4px 0 0 var(--color-primary); }
.opt.on .k { color: var(--color-primary-text); }
.opt.right { border-color: var(--color-success); background: var(--color-success-soft); box-shadow: inset 4px 0 0 var(--color-success); }
.opt.right .k { color: var(--color-success); }
.opt.wrong { border-color: var(--color-error); background: var(--color-error-soft); box-shadow: inset 4px 0 0 var(--color-error); }
.opt.wrong .k { color: var(--color-error); }
.opt.stop { border-style: dashed; border-color: var(--color-border-strong); background: transparent; }
.opt.stop:hover { border-color: var(--color-text); }
.opt[disabled] { opacity: .5; cursor: not-allowed; }

/* answer explanation */
.explain { padding: 14px 16px; border-radius: var(--r-md); background: var(--color-surface); border: 1px solid var(--color-border); border-left: 4px solid var(--color-success); font-size: 15.5px; line-height: 1.5; color: var(--color-text); }
.explain::before { content: "Wyjaśnienie"; display: block; margin-bottom: 6px; font: 500 11px/1 var(--font-mono); letter-spacing: .09em; text-transform: uppercase; color: var(--color-success); }
.explain.miss { border-left-color: var(--color-error); }
.explain.miss::before { content: "Nie tym razem. Wyjaśnienie"; color: var(--color-error); }
.explain.neutral { border-left-color: var(--color-primary); }
.explain.neutral::before { color: var(--color-primary-text); }

/* ── progress ── */
.progress { display: flex; gap: 3px; }
.progress i { flex: 1; height: 4px; border-radius: 2px; background: var(--color-border); position: relative; overflow: hidden; }
.progress i::after { content: ""; position: absolute; inset: 0; background: var(--color-text); transform: scaleX(0); transform-origin: left; transition: transform var(--t-mid) var(--ease); }
.progress i.done::after { transform: scaleX(1); }
.progress i.cur { background: var(--color-primary); }

/* ── notices: error / info / success ── */
.notice { padding: 12px 14px; border-radius: var(--r-sm); font-size: 15px; line-height: 1.45; border: 1px solid; }
.notice-error { background: var(--color-error-soft); border-color: var(--color-error); color: #7E2A1F; }
.notice-info { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text-secondary); }
.notice-ok { background: var(--color-success-soft); border-color: var(--color-success); color: #23533A; }

/* ── states: loading / error / empty (full screen or section) ── */
.state { display: flex; flex-direction: column; gap: 14px; }
.state h1 { margin: 0; font: 800 clamp(32px, 9vw, 42px)/1 var(--font-display); letter-spacing: -.03em; text-wrap: balance; }
.state p { margin: 0; color: var(--color-text-secondary); max-width: 34ch; }
.state .actions { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; max-width: 320px; }
.loader { width: 100%; max-width: 220px; height: 4px; border-radius: 2px; background: var(--color-border); overflow: hidden; position: relative; }
.loader::after { content: ""; position: absolute; inset: 0; width: 40%; background: var(--color-primary); animation: gt-load 1.1s var(--ease) infinite; }
@keyframes gt-load { from { transform: translateX(-100%); } to { transform: translateX(260%); } }

/* ── bottom sheet ── */
.sheet { position: absolute; inset: 0; z-index: 20; background: rgba(23,27,27,.5); opacity: 0; visibility: hidden; transition: opacity var(--t-mid), visibility 0s var(--t-mid); }
.sheet.open { opacity: 1; visibility: visible; transition: opacity var(--t-mid); }
.sheet .pane { position: absolute; left: 0; right: 0; bottom: 0; max-height: 82%; overflow-y: auto; overscroll-behavior: contain; background: var(--color-surface); color: var(--color-text); border-radius: var(--r-lg) var(--r-lg) 0 0; padding: 12px var(--gxr) calc(32px + env(safe-area-inset-bottom, 0px)) var(--gx); transform: translateY(24px); transition: transform var(--t-mid) var(--ease); }
.sheet.open .pane { transform: none; }
.sheet .grab { width: 36px; height: 4px; border-radius: 2px; background: var(--color-border-strong); margin: 0 auto 18px; }
.sheet .x { position: absolute; top: 8px; right: calc(var(--gxr) - 6px); width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; color: var(--color-text); }
.sheet .x:hover { background: var(--color-surface-muted); }
.sheet .x svg { width: 18px; height: 18px; stroke: currentColor; stroke-width: 2.2; fill: none; stroke-linecap: round; }
.sheet h3 { margin: 0 44px 12px 0; font: 800 26px/1.04 var(--font-display); letter-spacing: -.025em; text-wrap: balance; }
.sheet p { margin: 0 0 12px; color: var(--color-text-secondary); font-size: 16.5px; line-height: 1.55; }
.sheet p strong { color: var(--color-text); }
.sheet .tags { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--color-border); font: 500 12.5px/1.6 var(--font-mono); color: var(--color-primary-text); }

/* ── XP ── */
.xp-counter { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 4px 10px 4px 4px; border-radius: 999px; background: var(--color-surface); border: 1px solid var(--color-border); font: 500 13px/1 var(--font-mono); font-variant-numeric: tabular-nums; color: var(--color-text); white-space: nowrap; }
.xp-counter .bolt { width: 24px; height: 24px; border-radius: 50%; background: var(--color-accent); display: grid; place-items: center; }
.xp-counter svg { width: 13px; height: 13px; fill: var(--color-text); }
.xp-counter.bump { animation: gt-bump .45s var(--ease); }
@keyframes gt-bump { 35% { transform: scale(1.12); } }
.xp-toast { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px; background: var(--color-text); color: var(--color-accent); font: 500 14px/1 var(--font-mono); letter-spacing: .02em; box-shadow: 0 6px 20px rgba(23,27,27,.25); }

/* ── carousel pagination ── */
.dots { display: flex; justify-content: center; align-items: center; gap: 6px; }
.dots i { width: 6px; height: 6px; border-radius: 3px; background: var(--color-border-strong); transition: width var(--t-mid) var(--ease), background var(--t-mid); }
.dots i.on { width: 22px; background: var(--color-text); }

/* paper grain: a whisper of texture on light pages */
.paper { background-color: var(--color-background); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.12 0 0 0 0 0.12 0 0 0 0 0.1 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E"); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}