/* ============================================================
   Hifdh — design tokens
   Light is warm paper; dark is true black so it disappears on
   an OLED phone at 5am. Both are defined explicitly.
   ============================================================ */
:root {
  --bg:        #faf9f6;
  --bg-2:      #f2f0ea;
  --surface:   #ffffff;
  --elevated:  #ffffff;
  --ink:       #16161a;
  --ink-2:     #6b6b73;
  --ink-3:     #a0a0a8;
  --line:      rgba(0,0,0,.07);
  --line-2:    rgba(0,0,0,.12);
  --accent:    #0a7a58;
  --accent-2:  #0d9a6e;
  --accent-sf: rgba(10,122,88,.10);
  --amber:     #b4700a;
  --amber-sf:  rgba(180,112,10,.10);
  --danger:    #c0392b;
  --shadow:    0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
  --shadow-lg: 0 2px 6px rgba(0,0,0,.06), 0 18px 48px rgba(0,0,0,.10);
  --bar:       rgba(250,249,246,.82);

  --r-sm: 10px;
  --r:    16px;
  --r-lg: 22px;
  --tap:  44px;
  --gut:  20px;

  --ease: cubic-bezier(.32,.72,0,1);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #000000;
    --bg-2:      #0b0b0d;
    --surface:   #131316;
    --elevated:  #1c1c20;
    --ink:       #f4f4f6;
    --ink-2:     #9b9ba3;
    --ink-3:     #6a6a72;
    --line:      rgba(255,255,255,.08);
    --line-2:    rgba(255,255,255,.14);
    --accent:    #3ddc97;
    --accent-2:  #2fc285;
    --accent-sf: rgba(61,220,151,.12);
    --amber:     #f0b23f;
    --amber-sf:  rgba(240,178,63,.12);
    --danger:    #ff6b5a;
    --shadow:    none;
    --shadow-lg: 0 20px 50px rgba(0,0,0,.6);
    --bar:       rgba(0,0,0,.72);
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.47 -apple-system, BlinkMacSystemFont, "SF Pro Text",
        "Segoe UI", Roboto, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior-y: contain;
}
[hidden] { display: none !important; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }

/* ---------- boot ---------- */
.boot { display: grid; place-items: center; min-height: 100dvh; }
.spinner {
  width: 26px; height: 26px; border-radius: 50%;
  border: 2.5px solid var(--line-2); border-top-color: var(--accent);
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   Sign in
   ============================================================ */
.auth { min-height: 100dvh; display: grid; place-items: center; padding: var(--gut); }
.auth-inner { width: 100%; max-width: 360px; text-align: center; }
.auth-mark {
  width: 68px; height: 68px; margin: 0 auto 26px; border-radius: 20px;
  background: linear-gradient(145deg, var(--accent-2), var(--accent));
  position: relative; box-shadow: var(--shadow-lg);
}
.auth-mark::after {
  content: ''; position: absolute; inset: 0;
  background: no-repeat center/44% url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
}
.auth-title { font-size: 32px; font-weight: 700; letter-spacing: -.5px; margin: 0; }
.auth-sub { color: var(--ink-2); margin: 6px 0 30px; font-size: 16px; }
.auth-form { display: grid; gap: 10px; }
.auth-msg {
  margin: 16px 0 0; font-size: 14px; color: var(--ink-2);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 12px 14px;
}
.auth-msg.is-err { color: var(--danger); }

/* ============================================================
   First run
   ============================================================ */
.setup { min-height: 100dvh; overflow-y: auto; }
.setup-inner {
  max-width: 560px; margin: 0 auto;
  padding: max(48px, env(safe-area-inset-top)) var(--gut)
           calc(40px + env(safe-area-inset-bottom));
}
.eyebrow {
  margin: 0 0 8px; font-size: 13px; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--accent);
}
.display { font-size: 34px; line-height: 1.15; font-weight: 700; letter-spacing: -.7px; margin: 0; }
.lede { color: var(--ink-2); margin: 12px 0 28px; font-size: 16px; }

/* ============================================================
   Shell
   ============================================================ */
main {
  max-width: 560px; margin: 0 auto;
  padding: 0 var(--gut) calc(96px + env(safe-area-inset-bottom));
}
.view { animation: rise .34s var(--ease) both; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }

.nav { padding: max(20px, env(safe-area-inset-top)) 0 14px; }
.nav-eyebrow {
  margin: 0 0 2px; font-size: 13px; font-weight: 600; letter-spacing: .05em;
  text-transform: uppercase; color: var(--accent);
}
.nav-title { font-size: 34px; font-weight: 700; letter-spacing: -.7px; margin: 0; }

.group-label {
  margin: 30px 0 9px 4px; font-size: 13px; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3);
}
.note { color: var(--ink-3); font-size: 13px; margin: 12px 4px 0; line-height: 1.5; }
.empty { color: var(--ink-2); text-align: center; padding: 36px 0; font-size: 16px; }
.empty-sm { color: var(--ink-3); font-size: 14px; margin: 0; }

/* ============================================================
   Cards & rows
   ============================================================ */
.card {
  background: var(--surface); border-radius: var(--r);
  box-shadow: var(--shadow); border: 1px solid var(--line);
  overflow: hidden;
}
.card-pad { padding: 16px; }
.hr { height: 1px; background: var(--line); margin-left: 16px; }

.field {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  min-height: 52px; padding: 8px 16px;
}
.field-block { padding: 14px 16px; }
.field-label { font-size: 17px; font-weight: 500; }
.field-value { color: var(--ink-2); font-size: 16px; }
.field-hint { color: var(--ink-3); font-size: 13.5px; margin: 4px 0 12px; line-height: 1.45; }

.inp {
  background: transparent; border: 0; text-align: right; padding: 8px 0;
  min-height: 36px; width: 100%; max-width: 62%; color: var(--ink);
  font-size: 16px; outline: none;
}
.field-block .inp {
  text-align: left; max-width: 100%; background: var(--bg-2);
  border-radius: var(--r-sm); padding: 11px 12px; resize: vertical;
}
.inp::placeholder { color: var(--ink-3); }
.inp-time { max-width: 140px; }
.select {
  -webkit-appearance: none; appearance: none; background: transparent;
  border: 0; text-align: right; color: var(--accent); font-size: 16px;
  font-weight: 500; padding: 8px 20px 8px 0; outline: none; max-width: 66%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a8' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right center; background-size: 15px;
  direction: rtl;
}
.select option { direction: ltr; color: var(--ink); background: var(--surface); }

/* ---------- stepper ---------- */
.stepper {
  display: flex; align-items: center; gap: 2px;
  background: var(--bg-2); border-radius: 9px; padding: 2px;
}
.stepper button {
  width: 40px; height: 34px; border: 0; background: transparent;
  font-size: 21px; line-height: 1; color: var(--accent); border-radius: 7px;
  transition: background .15s var(--ease);
}
.stepper button:active { background: var(--line-2); }
.stepper-v {
  min-width: 42px; text-align: center; font-size: 17px;
  font-weight: 600; font-variant-numeric: tabular-nums;
}

/* ---------- segmented ---------- */
.seg {
  display: inline-flex; background: var(--bg-2); border-radius: 9px; padding: 2px;
}
.seg-wide { display: flex; }
.seg-wide button { flex: 1; }
.seg button {
  border: 0; background: transparent; padding: 7px 14px; border-radius: 7px;
  font-size: 14.5px; font-weight: 500; color: var(--ink-2);
  transition: all .2s var(--ease);
}
.seg button.on {
  background: var(--surface); color: var(--ink); font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,.12);
}

/* ---------- day picker ---------- */
.daypick { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.daypick button {
  aspect-ratio: 1; border: 1px solid var(--line-2); background: transparent;
  border-radius: 50%; font-size: 13px; font-weight: 600; color: var(--ink-2);
  transition: all .2s var(--ease);
}
.daypick button.on {
  background: var(--accent); border-color: var(--accent); color: #fff;
  transform: scale(1.06);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  width: 100%; min-height: var(--tap); border-radius: 12px; border: 0;
  background: var(--bg-2); color: var(--ink); font-size: 16px; font-weight: 600;
  padding: 12px 18px; transition: transform .12s var(--ease), opacity .15s;
}
.btn:active { transform: scale(.975); opacity: .9; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-lg { min-height: 52px; font-size: 17px; margin-top: 28px; }
.btn-quiet { background: transparent; color: var(--danger); font-weight: 500; }
.card > .btn { border-radius: 0; }
.card > .btn-primary { margin: 0; }

/* ============================================================
   Today — inspiration
   ============================================================ */
.inspire {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 24px 22px 20px;
  box-shadow: var(--shadow); margin-bottom: 22px;
}
.inspire-glow {
  position: absolute; inset: -60% 30% 55% -30%; pointer-events: none;
  background: radial-gradient(closest-side, var(--accent-sf), transparent 70%);
}
.inspire-body {
  position: relative; margin: 0; font-size: 19px; line-height: 1.5;
  font-weight: 500; letter-spacing: -.2px;
}
.inspire-src {
  position: relative; margin: 12px 0 0; font-size: 13.5px;
  font-weight: 600; color: var(--accent); letter-spacing: .01em;
}
.inspire-note {
  position: relative; margin: 14px 0 0; padding-top: 14px;
  border-top: 1px solid var(--line); color: var(--ink-2);
  font-size: 14.5px; line-height: 1.45;
}

/* ============================================================
   Today — ring
   ============================================================ */
.ring-row { display: flex; align-items: center; gap: 20px; margin-bottom: 26px; }
.ring-wrap { position: relative; width: 124px; height: 124px; flex: none; }
.ring { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 11; stroke-linecap: round; }
.ring-bg { stroke: var(--bg-2); }
.ring-fg {
  stroke: var(--accent);
  stroke-dasharray: 326.7; stroke-dashoffset: 326.7;
  transition: stroke-dashoffset .85s var(--ease);
}
.ring-mid {
  position: absolute; inset: 0; display: grid; place-content: center;
  text-align: center; gap: 1px;
}
.ring-num {
  font-size: 34px; font-weight: 700; letter-spacing: -1px;
  font-variant-numeric: tabular-nums; line-height: 1;
}
.ring-lbl { font-size: 11.5px; color: var(--ink-2); font-weight: 500; }
.ring-side { display: grid; gap: 12px; flex: 1; min-width: 0; }
.mini { display: flex; align-items: baseline; gap: 8px; white-space: nowrap; }
.mini-n {
  font-size: 22px; font-weight: 700; letter-spacing: -.4px;
  font-variant-numeric: tabular-nums;
}
.mini-l { font-size: 13.5px; color: var(--ink-2); }

/* ============================================================
   Today — task cards
   ============================================================ */
.tasks { display: grid; gap: 12px; }
.task {
  display: grid; grid-template-columns: 30px 1fr; gap: 15px; align-items: start;
  width: 100%; text-align: left; padding: 17px 18px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); box-shadow: var(--shadow);
  transition: transform .14s var(--ease), border-color .2s, opacity .25s;
}
.task:active { transform: scale(.985); }
.task.is-done { opacity: .58; }
.task.is-carried { border-color: var(--amber); }

.tick {
  width: 28px; height: 28px; border-radius: 50%; margin-top: 1px;
  border: 2px solid var(--line-2); display: grid; place-items: center;
  transition: all .22s var(--ease);
}
.tick svg { width: 15px; height: 15px; opacity: 0; transform: scale(.5);
  transition: all .22s var(--ease); stroke: #fff; }
.task.is-done .tick { background: var(--accent); border-color: var(--accent); }
.task.is-done .tick svg { opacity: 1; transform: scale(1); }

.task-top { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.kind {
  font-size: 11.5px; font-weight: 700; letter-spacing: .09em;
  text-transform: uppercase; color: var(--accent);
  background: var(--accent-sf); padding: 3px 8px; border-radius: 6px;
}
.kind.k-sabaq { color: var(--amber); background: var(--amber-sf); }
.chip {
  font-size: 11px; font-weight: 600; color: var(--amber);
  background: var(--amber-sf); padding: 3px 8px; border-radius: 6px;
}
.task-name {
  display: block; margin: 9px 0 0; font-size: 17.5px; font-weight: 600;
  letter-spacing: -.25px; line-height: 1.3;
}
.task.is-done .task-name { text-decoration: line-through; text-decoration-color: var(--ink-3); }
.task-meta { display: block; margin: 4px 0 0; font-size: 14px; color: var(--ink-2);
  font-variant-numeric: tabular-nums; }

/* ============================================================
   Plan
   ============================================================ */
.summary {
  background: linear-gradient(145deg, var(--accent-2), var(--accent));
  color: #fff; border-radius: var(--r-lg); padding: 20px 22px;
  box-shadow: var(--shadow-lg);
}
.summary-big { font-size: 28px; font-weight: 700; letter-spacing: -.6px; margin: 0; }
.summary-sub { margin: 5px 0 0; font-size: 14.5px; opacity: .92; line-height: 1.45; }

.preview { display: grid; gap: 8px; }
.pv {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 12px 14px;
}
.pv-day {
  font-size: 12.5px; font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px;
}
.pv-day.is-lesson { color: var(--amber); }
.pv-line { font-size: 14.5px; display: flex; gap: 8px; padding: 2px 0; }
.pv-k {
  flex: none; width: 52px; font-size: 11px; font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; color: var(--ink-3); padding-top: 3px;
}
.pv-t { color: var(--ink); }
.pv-p { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.pv-rest { font-size: 14px; color: var(--ink-3); font-style: italic; }

/* ============================================================
   Progress
   ============================================================ */
.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 16px 18px; box-shadow: var(--shadow);
}
.stat-n { display: block; font-size: 30px; font-weight: 700; letter-spacing: -.8px;
  font-variant-numeric: tabular-nums; }
.stat-l { font-size: 13.5px; color: var(--ink-2); }

.heatmap { display: flex; gap: 4px; overflow-x: auto; padding-bottom: 2px; }
.hm-labels { display: grid; grid-template-rows: repeat(7,1fr); gap: 4px; flex: none; margin-right: 3px; }
.hm-lbl { height: 26px; display: grid; place-items: center; font-size: 9.5px; color: var(--ink-3); }
.hm-col { display: grid; grid-template-rows: repeat(7,1fr); gap: 4px; flex: none; }
.cell { width: 26px; height: 26px; border-radius: 7px; background: var(--bg-2); display: block; border: 0; }
.cell.l1 { background: color-mix(in srgb, var(--accent) 28%, var(--bg-2)); }
.cell.l2 { background: color-mix(in srgb, var(--accent) 62%, var(--bg-2)); }
.cell.l3 { background: var(--accent); }
.cell.is-future { opacity: .35; }
.legend { display: flex; align-items: center; gap: 5px; margin-top: 12px;
  font-size: 11.5px; color: var(--ink-3); }
.legend .cell { width: 14px; height: 14px; border-radius: 4px; }

.chart-cap { font-size: 14px; color: var(--ink-2); margin: 0 0 12px; }
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.tip {
  position: absolute; pointer-events: none; z-index: 5;
  background: var(--elevated); border: 1px solid var(--line-2);
  border-radius: 9px; padding: 7px 11px; font-size: 13px; white-space: nowrap;
  transform: translate(-50%,-124%); box-shadow: var(--shadow-lg); font-weight: 500;
}
.tip b { color: var(--accent); }

.review-list { display: grid; gap: 10px; margin-top: 12px; }
.review-item {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 14px 16px;
}
.review-date { font-weight: 600; font-size: 15.5px; }
.review-meta { color: var(--ink-2); font-size: 14px; margin-top: 4px; }
.review-note { color: var(--ink-3); font-size: 14px; margin-top: 5px; font-style: italic; }

/* ============================================================
   Tab bar
   ============================================================ */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  background: var(--bar); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}
.tab {
  border: 0; background: none; padding: 8px 4px 7px;
  display: grid; gap: 3px; justify-items: center; min-height: 50px;
  color: var(--ink-3); font-size: 10.5px; font-weight: 500;
  transition: color .2s var(--ease);
}
.tab svg { width: 25px; height: 25px; }
.tab.on { color: var(--accent); font-weight: 600; }

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed; left: 50%; z-index: 60;
  bottom: calc(74px + env(safe-area-inset-bottom));
  background: var(--elevated); color: var(--ink);
  border: 1px solid var(--line-2); box-shadow: var(--shadow-lg);
  padding: 11px 18px; border-radius: 999px; font-size: 14.5px; font-weight: 500;
  animation: toast .3s var(--ease) both;
}
@keyframes toast {
  from { opacity: 0; transform: translate(-50%, 12px) scale(.94); }
  to   { opacity: 1; transform: translate(-50%, 0) scale(1); }
}
.toast { transform: translateX(-50%); }
.toast.is-err { color: var(--danger); }

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