/* ============================================================
   Gezi Masraf — tasarım sistemi
   Açık tema: minimal, ferah (iOS havası)
   Koyu tema: fintech, camsı yüzeyler (banka uygulaması havası)
   Vurgu: teal → zümrüt gradyanı
   ============================================================ */

:root {
  color-scheme: light;
  --bg: #f4f7f6;
  --card: #ffffff;
  --ink: #0e1f1b;
  --muted: #5f6f6a;
  --line: #e3eae7;

  --accent: #0d9488;
  --accent-soft: rgba(13, 148, 136, 0.1);
  --on-accent: #ffffff;
  --grad: linear-gradient(135deg, #0ea5a0 0%, #059669 100%);
  --grad-shadow: 0 10px 26px -10px rgba(13, 148, 136, 0.55);

  --green: #059669;
  --green-bg: #e7f6f0;
  --red: #dc2626;
  --red-bg: #fdeeee;
  --amber-ink: #92400e;
  --amber-bg: #fdf1d7;

  --shadow: 0 1px 2px rgba(13, 60, 48, 0.05), 0 10px 30px -14px rgba(13, 60, 48, 0.14);
  --tabbar-bg: rgba(255, 255, 255, 0.82);
  --snack-bg: #12211d;
  --snack-ink: #eef7f4;
  --radius: 18px;
  --radius-sm: 12px;
}

/* Koyu tema iki koşuldan biriyle etkinleşir:
   1) Hesap sekmesinden elle "Koyu" seçilmişse (html[data-theme="dark"])
   2) "Otomatik" moddayken cihazın sistem teması koyuysa
   Aşağıdaki iki blok birebir aynı tutulmalıdır. */
:root[data-theme='dark'] {
  color-scheme: dark;
  --bg: #0a100f;
  --card: #121b19;
  --ink: #e6f1ee;
  --muted: #8fa6a0;
  --line: rgba(255, 255, 255, 0.07);

  --accent: #2dd4bf;
  --accent-soft: rgba(45, 212, 191, 0.13);
  --on-accent: #04211c;
  --grad: linear-gradient(135deg, #0d9488 0%, #047857 100%);
  --grad-shadow: 0 12px 30px -10px rgba(13, 148, 136, 0.45);

  --green: #34d399;
  --green-bg: rgba(52, 211, 153, 0.1);
  --red: #f87171;
  --red-bg: rgba(248, 113, 113, 0.1);
  --amber-ink: #fbbf24;
  --amber-bg: rgba(251, 191, 36, 0.12);

  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 10px 30px -14px rgba(0, 0, 0, 0.6);
  --tabbar-bg: rgba(18, 27, 25, 0.72);
  --snack-bg: #eef7f4;
  --snack-ink: #12211d;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --bg: #0a100f;
    --card: #121b19;
    --ink: #e6f1ee;
    --muted: #8fa6a0;
    --line: rgba(255, 255, 255, 0.07);

    --accent: #2dd4bf;
    --accent-soft: rgba(45, 212, 191, 0.13);
    --on-accent: #04211c;
    --grad: linear-gradient(135deg, #0d9488 0%, #047857 100%);
    --grad-shadow: 0 12px 30px -10px rgba(13, 148, 136, 0.45);

    --green: #34d399;
    --green-bg: rgba(52, 211, 153, 0.1);
    --red: #f87171;
    --red-bg: rgba(248, 113, 113, 0.1);
    --amber-ink: #fbbf24;
    --amber-bg: rgba(251, 191, 36, 0.12);

    --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 10px 30px -14px rgba(0, 0, 0, 0.6);
    --tabbar-bg: rgba(18, 27, 25, 0.72);
    --snack-bg: #eef7f4;
    --snack-ink: #12211d;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  -webkit-tap-highlight-color: transparent;
  font-synthesis-weight: none;
  text-rendering: optimizeLegibility;
}

#app { max-width: 560px; margin: 0 auto; }

.ic { vertical-align: -4px; flex-shrink: 0; }

/* ---------- üst bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  padding-top: calc(12px + env(safe-area-inset-top));
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
}

.brand {
  font-weight: 800;
  font-size: 16.5px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--grad);
  color: #fff;
  box-shadow: var(--grad-shadow);
}
.brand-mark .ic { vertical-align: 0; }

.rate-chip {
  font-size: 12.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 6px 12px;
  white-space: nowrap;
}
.rate-chip.stale { background: var(--amber-bg); color: var(--amber-ink); }

.stale-banner {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--amber-bg);
  color: var(--amber-ink);
  font-size: 13px;
  padding: 9px 18px;
}

/* ---------- içerik ---------- */

main {
  padding: 14px 16px;
  padding-bottom: calc(108px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (prefers-reduced-motion: no-preference) {
  main > * { animation: rise 0.32s cubic-bezier(0.2, 0.7, 0.3, 1) backwards; }
  main > :nth-child(2) { animation-delay: 0.04s; }
  main > :nth-child(3) { animation-delay: 0.08s; }
  main > :nth-child(4) { animation-delay: 0.12s; }
  main > :nth-child(5) { animation-delay: 0.16s; }
  main > :nth-child(6) { animation-delay: 0.2s; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.card h3 {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
}
.card h4 {
  margin: 16px 0 8px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
}

/* hero — gradyan büyük kart */

.hero {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  padding: 22px 20px 18px;
  background: var(--grad);
  color: #fff;
  box-shadow: var(--grad-shadow);
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120px 120px at 88% -10%, rgba(255, 255, 255, 0.28), transparent 70%),
    radial-gradient(200px 200px at -10% 110%, rgba(255, 255, 255, 0.12), transparent 70%);
  pointer-events: none;
}
.hero-label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.85);
}
.hero-amount {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  margin: 6px 0 2px;
}
.hero-sub { font-size: 14px; color: rgba(255, 255, 255, 0.8); font-variant-numeric: tabular-nums; }
.hero-row {
  display: flex;
  gap: 24px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}
.hero-row span {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.75);
}
.hero-row strong { font-size: 16px; font-variant-numeric: tabular-nums; }
.hero-split {
  margin-top: 7px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.82);
  font-variant-numeric: tabular-nums;
}
.hero-split b { font-weight: 800; color: #fff; }
.hero-info {
  position: absolute;
  top: 13px;
  right: 13px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  cursor: pointer;
}
.hero-info .ic { vertical-align: 0; }

/* borç durumu satırı */

.debt-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--ink);
}
.debt-rows { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.debt-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}
.debt-row b { font-variant-numeric: tabular-nums; white-space: nowrap; }
.debt-row .pos, .debt-card .ic.pos { color: var(--green); }
.debt-row .neg { color: var(--red); }
.debt-chev { color: var(--muted); }

/* "nasıl hesaplanır?" rehberi */

.guide h4 {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 15px 0 4px;
  font-size: 13.5px;
  font-weight: 800;
}
.guide h4:first-child { margin-top: 2px; }
.guide h4 .ic { color: var(--accent); vertical-align: 0; }
.guide p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.55; }
.guide p strong { color: var(--ink); }
.guide .tiny { margin-top: 16px; }

/* istatistik kartları */

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat { padding: 13px 14px; }
.stat-head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}
.stat-head .ic { color: var(--accent); vertical-align: 0; }
.stat-amount {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  margin-top: 6px;
}
.stat-desc {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.35;
  margin-top: 7px;
  padding-top: 7px;
  border-top: 1px solid var(--line);
}

.stat-head .mini-seg {
  margin-left: auto;
  display: inline-flex;
  gap: 2px;
  background: color-mix(in srgb, var(--muted) 10%, transparent);
  border-radius: 8px;
  padding: 2px;
}
.mini-seg button {
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 10.5px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.mini-seg button.active {
  background: var(--card);
  color: var(--accent);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.muted { color: var(--muted); }
.small { font-size: 13px; }
.tiny { font-size: 11.5px; }
.center { text-align: center; }
.hidden { display: none !important; }
.mono { font-variant-numeric: tabular-nums; }
.arrow { color: var(--muted); }

.empty { color: var(--muted); text-align: center; padding: 14px 0; font-size: 14px; }
.empty a { color: var(--accent); font-weight: 700; text-decoration: none; }
.error-card { color: var(--red); }

/* gün gün çubuklar */

.day-list { display: flex; flex-direction: column; gap: 12px; }
.day-head {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 5px;
  font-variant-numeric: tabular-nums;
}
.day-bar { height: 8px; background: color-mix(in srgb, var(--muted) 12%, transparent); border-radius: 99px; overflow: hidden; }
.day-bar i {
  display: block;
  height: 100%;
  background: color-mix(in srgb, var(--accent) 28%, transparent);
  border-radius: 99px;
  overflow: hidden;
  transition: width 0.4s ease;
}
.day-bar b { display: block; height: 100%; background: var(--grad); border-radius: 99px; }
.cat-name { display: inline-flex; align-items: center; gap: 6px; }
.cat-name .ic { color: var(--accent); vertical-align: 0; }

/* bütçe kartı */

.budget-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 9px;
}
.budget-head .ic { color: var(--accent); vertical-align: -3px; margin-right: 3px; }
.budget-head .mono { color: var(--ink); }
.budget-bar { height: 10px; }
.budget-bar i { background: var(--grad); }
.budget-bar.over i { background: var(--red); }
.budget-sub {
  font-size: 13px;
  margin-top: 9px;
  color: var(--muted);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.budget-sub.neg { color: var(--red); font-weight: 800; }
.trip-line {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
}
.trip-line .ic { color: var(--accent); vertical-align: 0; }
.budget-sub + .trip-line, .day-bar + .trip-line { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.legend { display: flex; gap: 16px; margin-top: 12px; font-size: 12px; color: var(--muted); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; }
.dot-me { background: var(--accent); }
.dot-group { background: color-mix(in srgb, var(--accent) 28%, transparent); }

/* ---------- filtre çipleri ---------- */

.chips { display: flex; gap: 8px; overflow-x: auto; padding: 2px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 15px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.chip.active {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

/* ---------- liste satırları ---------- */

.date-head {
  font-size: 11.5px;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 12px 4px 2px;
}

.row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 14px;
  margin-top: 8px;
  cursor: pointer;
  color: var(--ink);
  font: inherit;
  transition: transform 0.12s ease;
}
.row:active { transform: scale(0.985); }

.row-main { flex: 1; min-width: 0; }
.row-title {
  font-weight: 700;
  font-size: 14.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.row-sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.row-amt { text-align: right; flex-shrink: 0; }
.row-amt-main { font-weight: 800; font-size: 15px; font-variant-numeric: tabular-nums; }

.badge {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 6px;
  padding: 2.5px 6px;
  background: color-mix(in srgb, var(--muted) 12%, transparent);
  color: var(--muted);
  vertical-align: 2px;
  margin-left: 2px;
}
.badge.shared { background: var(--accent-soft); color: var(--accent); }

/* ---------- avatarlar ---------- */

.avatar {
  --tone: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--tone) 15%, transparent);
  color: var(--tone);
  font-size: 12.5px;
  font-weight: 800;
  flex-shrink: 0;
  vertical-align: middle;
}
.avatar.big { width: 54px; height: 54px; font-size: 18px; }
.share-row .avatar, .bal-who .avatar { width: 28px; height: 28px; font-size: 10.5px; }

.tone-0 { --tone: #0d9488; }
.tone-1 { --tone: #7c3aed; }
.tone-2 { --tone: #d97706; }
.tone-3 { --tone: #e11d48; }
.tone-4 { --tone: #0284c7; }
.tone-5 { --tone: #65a30d; }
[data-theme='dark'] .tone-0 { --tone: #2dd4bf; }
[data-theme='dark'] .tone-1 { --tone: #a78bfa; }
[data-theme='dark'] .tone-2 { --tone: #fbbf24; }
[data-theme='dark'] .tone-3 { --tone: #fb7185; }
[data-theme='dark'] .tone-4 { --tone: #38bdf8; }
[data-theme='dark'] .tone-5 { --tone: #a3e635; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .tone-0 { --tone: #2dd4bf; }
  :root:not([data-theme='light']) .tone-1 { --tone: #a78bfa; }
  :root:not([data-theme='light']) .tone-2 { --tone: #fbbf24; }
  :root:not([data-theme='light']) .tone-3 { --tone: #fb7185; }
  :root:not([data-theme='light']) .tone-4 { --tone: #38bdf8; }
  :root:not([data-theme='light']) .tone-5 { --tone: #a3e635; }
}

/* ---------- form ---------- */

.form-card { display: flex; flex-direction: column; gap: 13px; }
.form-card h3 { margin-bottom: 2px; }

label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 700; color: var(--muted); }
.field-label { font-size: 13px; font-weight: 700; color: var(--muted); }

input, select {
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: color-mix(in srgb, var(--muted) 7%, transparent);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  padding: 12px 13px;
  width: 100%;
  transition: border-color 0.15s ease, background 0.15s ease;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--card);
}
input:disabled { opacity: 0.55; }
input::placeholder { color: color-mix(in srgb, var(--muted) 60%, transparent); }

.amount-row { display: flex; gap: 10px; }
.amount-row input {
  font-size: 28px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  flex: 1;
  min-width: 0;
  letter-spacing: -0.01em;
}

.segment {
  display: flex;
  background: color-mix(in srgb, var(--muted) 9%, transparent);
  border-radius: var(--radius-sm);
  padding: 3px;
  flex-shrink: 0;
  gap: 3px;
}
.segment.wide { width: 100%; }
.segment button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  padding: 9px 12px;
  cursor: pointer;
  flex: 1;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.segment button.active {
  background: var(--card);
  color: var(--accent);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.hint { font-size: 13px; font-weight: 600; color: var(--accent); min-height: 16px; font-variant-numeric: tabular-nums; }

.part-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pchip {
  border: 1.5px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 9px 15px;
  font: inherit;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}
.pchip.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.advanced summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  user-select: none;
}
.advanced label { margin-top: 10px; }

/* bölüşüm satırları (Pay / Tutar modları) */

.split-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.split-row:last-child { border-bottom: none; padding-bottom: 0; }
.split-name {
  flex: 1;
  min-width: 0;
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.split-row .avatar { width: 28px; height: 28px; font-size: 10.5px; }
.split-input {
  width: 64px;
  flex: none;
  text-align: center;
  padding: 8px 4px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.split-unit {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-left: -4px;
  user-select: none;
}
.stepper { display: inline-flex; align-items: center; gap: 4px; flex: none; }
.stepper .split-input { width: 48px; }
.step-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 34px;
  flex: none;
  border: none;
  border-radius: 10px;
  background: color-mix(in srgb, var(--muted) 10%, transparent);
  color: var(--ink);
  cursor: pointer;
}
.step-btn:active { transform: scale(0.93); }
.step-btn .ic { vertical-align: 0; }
.split-amt {
  text-align: right;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.exact-input { max-width: 130px; text-align: right; font-weight: 700; }
.fill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: none;
  border: none;
  border-radius: 10px;
  background: color-mix(in srgb, var(--muted) 10%, transparent);
  color: var(--accent);
  cursor: pointer;
}
.fill-btn:active { transform: scale(0.93); }
.fill-btn .ic { vertical-align: 0; }

/* bölüşüm oran çubuğu — segment renkleri kişi avatar tonlarıyla aynı */
.ratio-bar {
  display: flex;
  height: 10px;
  margin-top: 12px;
  border-radius: 99px;
  overflow: hidden;
  background: color-mix(in srgb, var(--muted) 12%, transparent);
}
.ratio-bar i {
  display: block;
  height: 100%;
  background: var(--tone, var(--accent));
  transition: width 0.25s ease;
}
.ratio-bar i + i { box-shadow: inset 2px 0 0 var(--card); }

.form-error { color: var(--red); font-size: 13.5px; font-weight: 600; min-height: 16px; margin: 0; }

/* ---------- butonlar ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-size: 15px;
  font-weight: 800;
  border: none;
  border-radius: 14px;
  padding: 14px 18px;
  cursor: pointer;
  background: color-mix(in srgb, var(--muted) 10%, transparent);
  color: var(--ink);
  transition: transform 0.12s ease, filter 0.15s ease;
}
.btn.primary { background: var(--grad); color: #fff; box-shadow: var(--grad-shadow); }
.btn.danger { background: var(--red-bg); color: var(--red); }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn.block { width: 100%; }
.btn:disabled { opacity: 0.55; }
.btn:active { transform: scale(0.98); }
.btn .ic { vertical-align: 0; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: color-mix(in srgb, var(--muted) 10%, transparent);
  color: var(--muted);
  border-radius: 10px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  flex-shrink: 0;
}
.icon-btn .ic { vertical-align: 0; }

.tiny-btn {
  font-size: 12px;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 8px;
  background: var(--grad);
  color: #fff;
  border: none;
  cursor: pointer;
  margin-left: 10px;
}

/* ---------- bakiyeler ---------- */

.bal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  margin-top: 8px;
  font-size: 14px;
  background: color-mix(in srgb, var(--muted) 7%, transparent);
}
.bal-who { display: flex; align-items: center; gap: 9px; min-width: 0; }
.bal-row.green { background: var(--green-bg); }
.bal-row.green .bal-amt { color: var(--green); }
.bal-row.red { background: var(--red-bg); }
.bal-row.red .bal-amt { color: var(--red); }
.bal-amt {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}
.bal-amt .tiny { font-weight: 600; }
.muted-row { color: var(--muted); font-size: 13px; background: transparent; border: 1px dashed var(--line); }

.settle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.settle-row:last-child { border-bottom: none; padding-bottom: 2px; }
.settle-row strong { font-variant-numeric: tabular-nums; }

/* ---------- profil / hesap ---------- */

.profile { display: flex; align-items: center; gap: 14px; }
.profile-name { font-weight: 800; font-size: 18px; letter-spacing: -0.01em; }
.rate-line { font-size: 17px; margin-bottom: 5px; font-variant-numeric: tabular-nums; }
.stale-inline {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--amber-ink);
  background: var(--amber-bg);
  border-radius: 9px;
  padding: 8px 11px;
  font-size: 13px;
  margin: 10px 0 2px;
}
#pass-form { display: flex; flex-direction: column; gap: 11px; }
#trip-form { display: flex; flex-direction: column; gap: 11px; margin-bottom: 10px; }
#btn-rate-refresh { margin-top: 12px; }
#theme-hint { margin-top: 9px; }

/* ---------- alt sekme çubuğu (yüzen hap) ---------- */

.tabbar {
  position: fixed;
  bottom: calc(12px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 24px), 536px);
  background: var(--tabbar-bg);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 8px 10px;
  box-shadow: 0 8px 30px -8px rgba(0, 0, 0, 0.25);
}

.tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-decoration: none;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 5px 6px;
  border-radius: 14px;
  min-width: 0;
  flex: 1 1 0;
  transition: color 0.15s ease;
}
.tab .ic { vertical-align: 0; }
.tab.active { color: var(--accent); background: var(--accent-soft); }
.tab-label {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* 6 sekme dar ekranda ancak küçük etiketle sığar */
@media (max-width: 430px) {
  .tab { font-size: 9.5px; padding: 5px 3px; letter-spacing: 0; }
}
@media (max-width: 374px) {
  .tab { font-size: 8.5px; }
}

.tab-add { padding: 0 4px; min-width: auto; flex: 0 0 auto; }
.fab {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  margin-top: -26px;
  box-shadow: var(--grad-shadow), 0 0 0 5px var(--bg);
  transition: transform 0.15s ease;
}
.tab-add:active .fab { transform: scale(0.94); }

/* ---------- giriş ---------- */

.login-wrap {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(400px 300px at 85% -5%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    radial-gradient(360px 280px at 0% 105%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%),
    var(--bg);
}
.login-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 32px 26px;
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.login-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: var(--grad);
  color: #fff;
  box-shadow: var(--grad-shadow);
  margin-bottom: 4px;
}
.login-logo .ic { vertical-align: 0; }
.login-card h1 { margin: 10px 0 2px; font-size: 25px; letter-spacing: -0.02em; }
.login-card form { display: flex; flex-direction: column; gap: 13px; margin-top: 22px; text-align: left; }

/* ---------- sheet & dialog & snackbar ---------- */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(5, 12, 10, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.center-overlay { align-items: center; }

.sheet {
  background: var(--card);
  border-radius: 24px 24px 0 0;
  width: 100%;
  max-width: 560px;
  max-height: 88dvh;
  overflow-y: auto;
  padding: 10px 20px calc(22px + env(safe-area-inset-bottom));
  animation: slide-up 0.22s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.grabber {
  width: 40px;
  height: 4px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--muted) 30%, transparent);
  margin: 4px auto 14px;
}
.sheet form { display: flex; flex-direction: column; gap: 13px; }

@keyframes slide-up {
  from { transform: translateY(40px); opacity: 0.5; }
  to { transform: translateY(0); opacity: 1; }
}

.sheet-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.sheet-head h3 { margin: 0; font-size: 18px; letter-spacing: -0.01em; }

.detail-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 18px;
  font-size: 14.5px;
}

.share-list { display: flex; flex-direction: column; }
.share-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.share-row:last-child { border-bottom: none; }
.share-row > span:first-child { display: flex; align-items: center; gap: 9px; }

.sheet-actions { display: flex; gap: 10px; margin-top: 18px; }
.sheet-actions .btn { flex: 1; }

.dialog {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  width: calc(100% - 48px);
  max-width: 340px;
  text-align: center;
  animation: pop 0.18s cubic-bezier(0.2, 0.8, 0.3, 1);
}
@keyframes pop {
  from { transform: scale(0.94); opacity: 0.5; }
  to { transform: scale(1); opacity: 1; }
}
.dialog-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--red-bg);
  color: var(--red);
  margin-bottom: 6px;
}
.dialog-icon .ic { vertical-align: 0; }
.dialog p { margin: 4px 0 18px; font-size: 15px; }
.dialog-actions { display: flex; gap: 10px; }
.dialog-actions .btn { flex: 1; }

#snackbar {
  position: fixed;
  bottom: calc(96px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  z-index: 60;
  background: var(--snack-bg);
  color: var(--snack-ink);
  border-radius: 14px;
  padding: 13px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: all 0.22s cubic-bezier(0.2, 0.8, 0.3, 1);
  max-width: min(90vw, 480px);
  white-space: nowrap;
  box-shadow: 0 10px 30px -8px rgba(0, 0, 0, 0.35);
}
#snackbar.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.snack-action {
  border: none;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  padding: 0;
}
[data-theme='dark'] .snack-action { color: #0d9488; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .snack-action { color: #0d9488; }
}

.spinner {
  width: 26px;
  height: 26px;
  margin: 48px auto;
  border: 3px solid color-mix(in srgb, var(--muted) 20%, transparent);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   Gezi sekmesi — seyahat planı
   İmza öğe: ulusal demiryolu renkleriyle rota hattı
   (NS sarısı · SNCB mavisi · CFL kırmızısı)
   ============================================================ */

/* Ülke vurguları: --gz nokta/hat/ikon zemini, --gz-ink açık zeminde okunur ton.
   Koyu tema blokları, uygulamanın ton (tone-*) desenini izler. */
.gz-nl { --gz: #f5b800; --gz-ink: #8a6d00; }
.gz-be { --gz: #1d64b4; --gz-ink: #1d64b4; }
.gz-lu { --gz: #ce3a2c; --gz-ink: #ce3a2c; }
[data-theme='dark'] .gz-nl { --gz: #ffc917; --gz-ink: #ffc917; }
[data-theme='dark'] .gz-be { --gz: #5fa3e7; --gz-ink: #5fa3e7; }
[data-theme='dark'] .gz-lu { --gz: #f0685a; --gz-ink: #f0685a; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .gz-nl { --gz: #ffc917; --gz-ink: #ffc917; }
  :root:not([data-theme='light']) .gz-be { --gz: #5fa3e7; --gz-ink: #5fa3e7; }
  :root:not([data-theme='light']) .gz-lu { --gz: #f0685a; --gz-ink: #f0685a; }
}

/* hero */
.gz-title { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; margin: 4px 0 12px; }
.gz-chips { display: flex; flex-wrap: wrap; gap: 7px; position: relative; }
.gz-chip {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 4px 11px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.gz-chip b { color: #fff; font-weight: 800; }

/* rota şeridi */
.gz-route { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 0; padding: 14px 16px; }
.gz-stop { display: flex; align-items: center; gap: 7px; }
.gz-stop-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--gz); flex-shrink: 0; }
.gz-stop-dot.hollow { background: transparent; border: 2.5px solid var(--gz); width: 10px; height: 10px; }
.gz-stop-txt { display: flex; flex-direction: column; line-height: 1.25; }
.gz-stop-name { font-size: 12.5px; font-weight: 800; letter-spacing: -0.01em; white-space: nowrap; }
.gz-stop-sub { font-size: 10.5px; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.gz-seg { flex: 1 0 14px; height: 2.5px; min-width: 12px; margin: 0 8px; border-radius: 2px; background: var(--gz); opacity: 0.45; }

/* bölüm başlıkları */
.gz-sec { margin: 8px 4px -2px; }
.gz-sec h3 {
  margin: 0 0 3px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
}
.gz-sec p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.5; }

/* konaklama rayı + şehir kartları */
.gz-rail { position: relative; padding-left: 22px; display: flex; flex-direction: column; gap: 12px; }
.gz-rail::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 3px;
  opacity: 0.8;
  background: linear-gradient(
    to bottom,
    #f5b800 0%, #f5b800 34%,
    #1d64b4 44%, #1d64b4 76%,
    #ce3a2c 86%, #ce3a2c 100%
  );
}
[data-theme='dark'] .gz-rail::before {
  background: linear-gradient(
    to bottom,
    #ffc917 0%, #ffc917 34%,
    #5fa3e7 44%, #5fa3e7 76%,
    #f0685a 86%, #f0685a 100%
  );
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .gz-rail::before {
    background: linear-gradient(
      to bottom,
      #ffc917 0%, #ffc917 34%,
      #5fa3e7 44%, #5fa3e7 76%,
      #f0685a 86%, #f0685a 100%
    );
  }
}
.gz-city { position: relative; }
.gz-city::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 20px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--gz);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1.5px var(--gz);
}
.gz-city-card { padding: 0; overflow: hidden; }
.gz-city-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; padding: 15px 16px 10px; }
.gz-city-name { font-size: 19px; font-weight: 800; letter-spacing: -0.01em; }
.gz-tag {
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.09em;
  padding: 3px 8px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--gz) 14%, transparent);
  color: var(--gz-ink);
}
.gz-dates { margin-left: auto; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
@media (max-width: 480px) {
  .gz-dates { width: 100%; margin-left: 0; }
}
.gz-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 14px; padding: 0 16px 13px; }
.gz-price-big { font-size: 18px; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.gz-price-pp { font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.gz-link { margin-left: auto; font-size: 12.5px; font-weight: 700; color: var(--accent); text-decoration: none; white-space: nowrap; }
.gz-link .ic { vertical-align: -2px; }
.gz-info { border-top: 1px solid var(--line); padding: 12px 16px 14px; display: grid; gap: 7px; }
.gz-item { display: flex; gap: 9px; font-size: 13.5px; line-height: 1.5; }
.gz-item b { font-weight: 700; }
.gz-dot { flex-shrink: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--gz, var(--accent)); margin-top: 7.5px; }
.gz-item.warn { color: var(--amber-ink); }
.gz-item.warn .gz-dot { background: var(--amber-ink); }

/* host mesajı akordeonları */
details.gz-msg { border-top: 1px solid var(--line); }
details.gz-msg summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  transition: color 0.15s ease;
}
details.gz-msg summary::-webkit-details-marker { display: none; }
details.gz-msg[open] summary { color: var(--ink); }
.gz-arrow { transition: transform 0.2s ease; vertical-align: 0; }
details.gz-msg[open] .gz-arrow { transform: rotate(90deg); }
.gz-lang {
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 2px 7px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--muted) 12%, transparent);
}
.gz-msg-body {
  padding: 2px 16px 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  white-space: pre-line;
  overflow-wrap: break-word;
}
.gz-msg-body.tr { color: var(--ink); }

/* ulaşım */
.gz-t-card { padding: 4px 16px; }
.gz-t-row { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.gz-t-row:last-of-type { border-bottom: none; }
.gz-t-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--gz) 13%, transparent);
  color: var(--gz-ink);
}
.gz-t-icon .ic { vertical-align: 0; }
.gz-t-main { flex: 1; min-width: 0; }
.gz-t-route { font-size: 14px; font-weight: 700; }
.gz-t-detail { font-size: 12px; color: var(--muted); margin-top: 1px; }
.gz-t-price { text-align: right; flex-shrink: 0; }
.gz-t-cost { font-size: 14.5px; font-weight: 800; font-variant-numeric: tabular-nums; }
.gz-t-sub { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.gz-t-note { margin: 10px 0 12px; font-size: 12px; color: var(--muted); }

/* şehir şehir öneriler */
.gz-att-list { display: flex; flex-direction: column; gap: 10px; }
details.gz-att { padding: 0; overflow: hidden; }
details.gz-att summary {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}
details.gz-att summary::-webkit-details-marker { display: none; }
.gz-att-city { font-size: 16px; font-weight: 800; letter-spacing: -0.01em; }
.gz-att-count { margin-left: auto; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 420px) {
  .gz-att-count { display: none; }
}
details.gz-att[open] .gz-arrow { transform: rotate(90deg); }
.gz-att-body { border-top: 1px solid var(--line); padding: 2px 16px 15px; display: grid; gap: 7px; }
.gz-att-h {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 9px 0 0;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gz-ink);
}
.gz-att-h .ic { vertical-align: 0; }

/* genel gezi tüyoları */
.gz-tips h3 {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 9px;
  font-size: 14px;
  font-weight: 800;
  text-transform: none;
  letter-spacing: -0.01em;
}
.gz-tips h3 .ic { vertical-align: 0; color: var(--accent); }
.gz-tips .gz-item + .gz-item { margin-top: 6px; }

/* bütçe özeti */
.gz-b-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.gz-b-item {
  text-align: center;
  padding: 12px 6px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--muted) 7%, transparent);
}
.gz-b-label {
  font-size: 10.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 4px;
}
.gz-b-val { font-size: 16.5px; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.gz-b-total { text-align: center; border-top: 1px solid var(--line); margin-top: 13px; padding-top: 14px; }
.gz-b-big { font-size: 34px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; margin: 2px 0; }
.gz-b-note { font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* nakit uyarısı */
.gz-callout { background: var(--amber-bg); border-color: color-mix(in srgb, var(--amber-ink) 25%, transparent); }
.gz-callout h3 {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 9px;
  font-size: 14px;
  font-weight: 800;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--amber-ink);
}
.gz-callout h3 .ic { vertical-align: 0; }
.gz-cash-item { display: flex; gap: 9px; font-size: 13px; line-height: 1.5; }
.gz-cash-item + .gz-cash-item { margin-top: 6px; }
.gz-cash-item .gz-dot { background: var(--amber-ink); margin-top: 7px; }
.gz-cash-item b { font-weight: 800; }