/* ============================================================
   TADABBUR · QIYAS — Mobile PWA
   Adapts the journal's three aesthetics to mobile-first.
   Single-handed, generous whitespace, the discipline visible
   in every screen but never overwrought.
============================================================ */

:root {
  /* Andalusi palette */
  --a-bg: #F3EAD3; --a-card: #F8F1DC; --a-ink: #0F1B2D;
  --a-lapis: #1B3A6E; --a-emerald: #0E5A3C;
  --a-saffron: #B8861A; --a-vermilion: #A8351B;
  --a-rule: rgba(15, 27, 45, 0.18);

  /* Noor minimal */
  --n-bg: #FAFAF7; --n-card: #FFFFFF; --n-ink: #0A0A0A;
  --n-mute: #5A5A57; --n-accent: #0E5A3C;
  --n-rule: rgba(10, 10, 10, 0.10);

  /* Kraft analog */
  --k-bg: #E8D9B5; --k-card: #F2E5C5; --k-ink: #2A1F12;
  --k-walnut: #6E4A1E; --k-rust: #A0421C; --k-leaf: #4A6238;
  --k-rule: rgba(42, 31, 18, 0.32);

  --display: "Cormorant Garamond", "Fraunces", Georgia, serif;
  --body: "Fraunces", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --arabic: "Amiri Quran", "Amiri", serif;
  --hand: "Caveat", cursive;

  --r-sm: 4px; --r-md: 8px; --r-lg: 8px;

  /* Mobile-first sizing */
  --gutter: 20px;
  --bottomnav-h: 64px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

body[data-aesthetic="andalusi"] {
  --bg: var(--a-bg); --card: var(--a-card); --ink: var(--a-ink);
  --accent: var(--a-lapis); --accent2: var(--a-emerald);
  --warn: var(--a-vermilion); --gold: var(--a-saffron);
  --rule: var(--a-rule);
  --display: "Cormorant Garamond", serif;
  --body: "Fraunces", Georgia, serif;
}
body[data-aesthetic="noor"] {
  --bg: var(--n-bg); --card: var(--n-card); --ink: var(--n-ink);
  --accent: var(--n-ink); --accent2: var(--n-accent);
  --warn: #B5341F; --gold: var(--n-accent);
  --rule: var(--n-rule);
  --display: "Fraunces", Georgia, serif;
  --body: "Inter Tight", -apple-system, sans-serif;
}
body[data-aesthetic="kraft"] {
  --bg: var(--k-bg); --card: var(--k-card); --ink: var(--k-ink);
  --accent: var(--k-walnut); --accent2: var(--k-leaf);
  --warn: var(--k-rust); --gold: var(--k-walnut);
  --rule: var(--k-rule);
  --display: "Caveat", cursive;
  --body: "Lora", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--bg); }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.55;
  font-feature-settings: "ss01", "ss02", "kern", "liga";
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.5s ease, color 0.5s ease;
}

#app {
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: calc(var(--bottomnav-h) + var(--safe-bottom));
}

/* ---------- Pages ---------- */
.page {
  padding: 0 var(--gutter);
  max-width: 720px;
  margin: 0 auto;
}
.page-pair { padding-top: 6vh; }
.page-today, .page-entry, .page-chat, .page-ledger, .page-library, .page-me {
  padding-top: 24px;
}
.shell-narrow { max-width: 520px; margin: 0 auto; }

/* ---------- Typography ---------- */
.page-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 34px;
  letter-spacing: 0;
  line-height: 1.05;
  margin: 4px 0 6px;
}
.page-title.display {
  font-size: 42px;
  font-style: italic;
  text-align: center;
  margin-bottom: 14px;
}
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  margin-bottom: 4px;
}
.lede {
  font-size: 16px;
  color: color-mix(in srgb, var(--ink) 78%, transparent);
  line-height: 1.5;
  margin: 0 0 18px;
}
.section-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0;
  margin: 28px 0 12px;
}
.fine {
  font-size: 13px;
  color: color-mix(in srgb, var(--ink) 55%, transparent);
  line-height: 1.5;
}
.mono { font-family: var(--mono); font-size: 13px; }

.frame-rule {
  text-align: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: color-mix(in srgb, var(--ink) 50%, transparent);
  margin-bottom: 8px;
}

.page-header { margin-bottom: 18px; }

/* ---------- Cards & entry tiles ---------- */
.card-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.entry-card {
  text-align: left;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: 18px 18px 16px;
  color: inherit;
  font-family: var(--body);
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.entry-card:active { transform: scale(0.985); }
.entry-card-head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 10px; margin-bottom: 6px;
}
.entry-card-title {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0;
}
.entry-card-mode {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--accent) 80%, transparent);
  text-transform: uppercase;
}
.entry-card-lede {
  font-size: 14px;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  margin: 0;
  line-height: 1.45;
}

.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.kv {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 6px 16px;
  margin: 0;
}
.kv dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 55%, transparent);
}
.kv dd { margin: 0; font-size: 14px; }

/* ---------- Buttons & inputs ---------- */
.btn {
  appearance: none;
  border: 1px solid var(--rule);
  background: var(--card);
  color: inherit;
  padding: 12px 18px;
  font-family: var(--body);
  font-size: 15px;
  border-radius: var(--r-md);
  cursor: pointer;
  min-height: 44px;
  transition: transform 0.1s, border-color 0.15s, background 0.15s;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.005em;
}
.btn-primary:disabled { opacity: 0.6; }
.btn-text {
  background: transparent;
  border: none;
  color: color-mix(in srgb, var(--ink) 65%, transparent);
}
.btn-link {
  background: transparent;
  border: none;
  color: var(--accent);
  text-decoration: underline;
  padding: 4px 8px;
  min-height: 0;
}
.btn-danger {
  background: transparent;
  color: var(--warn);
  border-color: var(--warn);
  margin-top: 18px;
  width: 100%;
}
.btn-aesthetic {
  text-transform: capitalize;
  padding: 10px 14px;
  font-size: 14px;
}
.aesthetic-row {
  display: flex; gap: 8px; margin-bottom: 18px;
}

.input, .textarea {
  appearance: none;
  width: 100%;
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: 14px 14px;
  font-family: var(--body);
  font-size: 16px; /* 16px prevents iOS zoom-on-focus */
  line-height: 1.45;
}
.textarea { resize: vertical; min-height: 80px; }
.input:focus, .textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  margin-bottom: 8px;
}

/* ---------- Forms ---------- */
.entry-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-bottom: 24px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0;
}
.field-hint {
  font-size: 13px;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  margin: 0;
  line-height: 1.45;
}
.form-actions {
  display: flex; justify-content: flex-end;
  padding-top: 8px;
}

/* ---------- Heart Filter sheet ---------- */
.sheet {
  position: fixed; inset: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--ink) 35%, transparent);
  backdrop-filter: blur(6px);
  display: flex; align-items: flex-end;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
}
.sheet.is-open { opacity: 1; pointer-events: auto; }
.sheet-body {
  width: 100%;
  background: var(--bg);
  border-radius: 20px 20px 0 0;
  padding: 22px 22px calc(22px + var(--safe-bottom));
  max-width: 720px;
  margin: 0 auto;
  transform: translateY(20px);
  transition: transform 0.25s ease;
}
.sheet.is-open .sheet-body { transform: translateY(0); }
.sheet-title {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
  margin: 4px 0 8px;
}
.tap-row {
  display: flex; gap: 10px; margin: 16px 0 18px;
}
.tap {
  flex: 1;
  appearance: none;
  background: transparent;
  border: 1px solid var(--rule);
  color: inherit;
  padding: 14px 10px;
  border-radius: var(--r-md);
  font-family: var(--body);
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  min-height: 52px;
}
.tap.is-on {
  background: var(--accent2);
  border-color: var(--accent2);
  color: var(--bg);
}
.sheet-fine {
  font-size: 13px;
  color: color-mix(in srgb, var(--ink) 55%, transparent);
  line-height: 1.5;
}
.sheet-actions {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 14px;
}

/* ---------- Chat ---------- */
.page-chat .chat-log {
  display: flex; flex-direction: column; gap: 10px;
  padding: 8px 0 16px;
  min-height: 40vh;
}
.chat-bubble {
  max-width: 86%;
  padding: 12px 14px;
  border-radius: 16px;
  font-size: 15px;
  line-height: 1.5;
  word-wrap: break-word;
}
.chat-user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--bg);
  border-bottom-right-radius: 4px;
}
.chat-assistant {
  align-self: flex-start;
  background: var(--card);
  border: 1px solid var(--rule);
  border-bottom-left-radius: 4px;
}
.chat-text { white-space: pre-wrap; }
.chat-receipt {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--rule);
}
.chip {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 3px 7px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
}
.chip-qiyas { color: var(--accent); border-color: var(--accent); }
.chip-principle { color: var(--gold); border-color: var(--gold); }

.chat-form {
  position: sticky;
  bottom: calc(var(--bottomnav-h) + var(--safe-bottom));
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  padding: 12px 0;
  display: flex; gap: 8px;
}
.chat-form .input { flex: 1; }

/* ---------- Receipts list ---------- */
.receipt-list {
  display: flex; flex-direction: column; gap: 10px;
}
.receipt-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: 12px 14px;
}
.receipt-head {
  display: flex; justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 55%, transparent);
  margin-bottom: 6px;
}
.receipt-finding {
  font-size: 14px;
  margin: 4px 0 6px;
  line-height: 1.45;
}
.receipt-meta {
  display: flex; gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: color-mix(in srgb, var(--ink) 65%, transparent);
}
.receipt-principle {
  display: flex; gap: 8px; align-items: baseline;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--rule);
  font-size: 13px;
}
.tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 2px 6px;
  background: color-mix(in srgb, var(--gold) 18%, transparent);
  color: var(--gold);
  border-radius: 3px;
}

/* ---------- Ledger ---------- */
.ledger-list {
  display: flex; flex-direction: column; gap: 14px;
}
.ledger-item {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: 14px 16px;
}
.ledger-head {
  display: flex; gap: 10px; align-items: baseline;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.ledger-id { color: var(--accent); }
.ledger-tier {
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 10px;
}
.tier-A { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent); }
.tier-B { background: color-mix(in srgb, var(--accent2) 18%, transparent); color: var(--accent2); }
.tier-C { background: color-mix(in srgb, var(--gold) 22%, transparent); color: var(--gold); }
.tier-D { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.ledger-domain { color: color-mix(in srgb, var(--ink) 55%, transparent); }
.ledger-text {
  font-size: 15px;
  line-height: 1.5;
  margin: 0 0 10px;
}
.ledger-falsifier {
  font-size: 13px;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  display: flex; gap: 8px; align-items: baseline;
  line-height: 1.45;
}

/* ---------- Library frame ---------- */
.library-frame {
  width: 100%;
  height: calc(100dvh - 200px);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--card);
}

/* ---------- Pairing UI ---------- */
.pair-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: 22px;
  margin: 18px 0;
  display: flex; flex-direction: column; gap: 12px;
}
.pair-card-auto {
  gap: 18px;
}
.pair-status {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}
.status-dot {
  width: 12px;
  height: 12px;
  margin-top: 7px;
  border-radius: 999px;
  background: var(--accent2);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent2) 14%, transparent);
}
.status-dot.is-error {
  background: var(--warn);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--warn) 14%, transparent);
}
.pair-status-title {
  font-family: var(--display);
  font-size: 23px;
  line-height: 1.1;
  margin: 0 0 6px;
}
.pair-status-copy {
  margin: 0;
  font-size: 15px;
  line-height: 1.45;
  color: color-mix(in srgb, var(--ink) 72%, transparent);
}
.pair-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(120px, auto);
  gap: 10px;
  align-items: stretch;
}
.pair-actions-stack {
  grid-template-columns: 1fr;
}
.pair-error {
  margin: 0;
  color: var(--warn);
  font-size: 14px;
  line-height: 1.45;
}
.principle-form {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: 14px;
  margin-bottom: 18px;
}
@media (max-width: 520px) {
  .pair-actions {
    grid-template-columns: 1fr;
  }
}
.pair-instructions {
  font-size: 14px;
  line-height: 1.55;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
}
.pair-instructions .code {
  font-family: var(--mono);
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  margin: 8px 0;
  font-size: 13px;
  overflow-x: auto;
}

/* ---------- Banner ---------- */
.banner {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px;
  border-radius: var(--r-md);
  margin-bottom: 16px;
  font-size: 14px;
}
.banner-warn {
  background: color-mix(in srgb, var(--gold) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--gold) 38%, transparent);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: calc(var(--bottomnav-h) + var(--safe-bottom) + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--ink);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-family: var(--body);
  z-index: 200;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 4px 24px color-mix(in srgb, var(--ink) 25%, transparent);
}
.toast.is-open { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Bottom nav ---------- */
.bottomnav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: calc(var(--bottomnav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  border-top: 1px solid var(--rule);
  display: flex;
  z-index: 50;
}
.bottomnav-item {
  flex: 1;
  appearance: none;
  background: transparent;
  border: none;
  color: color-mix(in srgb, var(--ink) 55%, transparent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 8px 4px;
}
.bottomnav-item.is-active {
  color: var(--accent);
}
.bottomnav-label {
  display: block;
}

.empty {
  text-align: center;
  color: color-mix(in srgb, var(--ink) 50%, transparent);
  padding: 40px 20px;
  font-size: 15px;
  line-height: 1.5;
}