/* ================================================================
   Kolay Hesap — styles.css
   KolayMobil Ekosistemi Tasarım Sistemi
   kolayhesap.online
   ================================================================ */

/* ── Design Tokens ─────────────────────────────────────────────── */
:root {
  /* KolayMobil ailesinin ortak açık yüzey ve mürekkep renkleri */
  --bg-deep:      #f6f7f3;
  --bg-soft:      #eef2f7;
  --bg-card:      #ffffff;
  --glass-bg:     rgba(255, 255, 255, 0.82);
  --glass-border: rgba(19, 48, 82, 0.13);
  --glass-hover:  #f1f5fb;

  --accent-blue:  #2f6fed;
  --accent-teal:  #18855b;
  --accent-purple:#6558d3;
  --accent-red:   #b03a2b;
  --accent-amber: #b56b08;

  --text-main:    #133052;
  --text-muted:   #5e6d82;
  --text-dim:     #7d8999;

  /* Eski sayfalardaki adlandırmalar için tasarım sistemi köprüleri */
  --color-accent-blue: var(--accent-blue);
  --color-accent-teal: var(--accent-teal);
  --color-text-muted: var(--text-muted);

  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    20px;
  --radius-xl:    28px;

  --shadow-card:  0 18px 55px rgba(19, 48, 82, 0.08);
  --shadow-glow:  0 0 0 4px rgba(47, 111, 237, 0.12);

  --font-sans:    system-ui, -apple-system, 'Segoe UI', sans-serif;
  --transition:   0.18s ease;
}

/* ── Reset & Base ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Tarayıcının [hidden] kuralı yazar stillerine yenilir; .tool-card ve
   .result-row gibi display:flex taşıyan öğelerde JS'in hidden ataması
   aksi halde hiçbir şey gizlemez (arama, kategori filtresi, tevkifat satırı). */
[hidden] { display: none !important; }

/* JavaScript kapalıyken hesaplayıcılar boş kutu gösteriyordu; sebebini söyle */
.noscript-uyari {
  max-width: 760px;
  margin: 16px auto;
  padding: 14px 18px;
  border-radius: 14px;
  background: #fff7e8;
  border: 1px solid rgba(181, 107, 8, 0.28);
  color: #7c4a03;
  font: 400 .9rem/1.6 system-ui, -apple-system, 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text-main);
  min-height: 100dvh;
  line-height: 1.6;
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 12% 4%, rgba(47,111,237,.10) 0%, transparent 34%),
    radial-gradient(circle at 88% 13%, rgba(33,215,252,.09) 0%, transparent 30%),
    linear-gradient(180deg, #fbfcfa 0%, var(--bg-deep) 48%, #f4f7fb 100%);
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 3px solid rgba(47, 111, 237, 0.24);
  outline-offset: 3px;
}

img, svg { display: block; }

/* ── Visually Hidden ────────────────────────────────────────────── */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── Container ──────────────────────────────────────────────────── */
.container {
  width: min(1160px, calc(100% - 32px));
  margin-inline: auto;
}

/* ════════════════════════════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════════════════════════════ */
.navbar {
  position: sticky;
  top: 12px;
  z-index: 200;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: min(1160px, calc(100% - 32px));
  margin: 12px auto 0;
  padding: 10px 14px 10px 12px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 14px 42px rgba(19,48,82,.10);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: -.03em;
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; opacity: .88; }
.brand-logo { height: 40px; width: auto; }
.brand-name { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name span:first-child { color: var(--text-main); font-size: .9rem; }
.brand-name span:last-child  { color: var(--accent-blue); font-size: .9rem; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

/* Search */
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-input {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: .88rem;
  padding: 7px 36px 7px 12px;
  width: 180px;
  transition: width var(--transition), border-color var(--transition);
  outline: none;
}
.search-input::placeholder { color: var(--text-dim); }
.search-input:focus { width: 220px; border-color: var(--accent-blue); }
.search-kbd {
  position: absolute; right: 8px;
  font-size: .72rem; color: var(--text-dim);
  background: #eef4ff;
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  padding: 1px 5px;
  pointer-events: none;
}

/* App Switcher (9-dot) */
.app-switcher {
  position: relative;
  list-style: none;
}
.app-switcher summary {
  list-style: none;
  cursor: pointer;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 13px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,.82);
  transition: background var(--transition), border-color var(--transition);
  display: grid; place-items: center;
}
.app-switcher summary::-webkit-details-marker { display: none; }
.app-switcher[open] summary,
.app-switcher summary:hover {
  background: #fff;
  border-color: rgba(47,111,237,.35);
}
.app-switcher-grid {
  display: grid;
  grid-template-columns: repeat(3, 4px);
  gap: 2.5px;
}
.app-switcher-grid i {
  width: 4px; height: 4px;
  background: var(--text-main);
  border-radius: 50%;
  display: block;
  transition: transform 190ms cubic-bezier(0.22, 1, 0.36, 1), background-color 240ms ease;
}
.app-switcher summary:hover .app-switcher-grid i,
.app-switcher summary:focus-visible .app-switcher-grid i { transform: scale(1.28); }
.app-switcher[open] .app-switcher-grid i:nth-child(3n + 2) { background: #2567EC; }
.app-switcher[open] .app-switcher-grid i:nth-child(3n) { background: #21D7FC; }

.app-switcher-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 286px;
  background: #fff;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: grid;
  gap: 5px;
}
.app-switcher-logo {
  width: 28px; height: 28px;
  flex-shrink: 0;
  padding: 2px;
  box-sizing: content-box;
  border-radius: 7px;
  background: #fff;
}
.app-switcher-panel > strong {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  color: var(--text-dim);
  padding: 4px 7px 9px;
}
.app-switcher-panel a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px;
  border-radius: 12px;
  color: var(--text-main);
  text-decoration: none;
  transition: background var(--transition);
  font-size: .88rem;
}
.app-switcher-panel a:hover { background: var(--glass-hover); text-decoration: none; }
.app-switcher-panel a[aria-current="page"] {
  background: #eef4ff;
  color: var(--accent-blue);
  box-shadow: inset 0 0 0 1.5px var(--accent-blue);
}
.app-switcher-panel a > span:first-child {
  width: 34px; height: 34px;
  background: #eef4ff;
  border: none;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: .85rem;
  flex-shrink: 0;
}
.app-switcher-panel a[aria-current="page"] > span:first-child {
  background: #dfeaff;
}
.app-switcher-panel a > span:last-child { display: flex; flex-direction: column; line-height: 1.2; }
.app-switcher-panel a > span:last-child b { font-size: .88rem; }
.app-switcher-panel a > span:last-child small { font-size: .75rem; color: var(--text-dim); }
.app-switcher-support {
  margin-top: 6px;
  padding-top: 8px !important;
  border-top: 1px solid var(--glass-border);
  font-size: .8rem !important;
  color: var(--text-dim) !important;
  justify-content: center !important;
}
.app-switcher-support:hover { color: var(--text-muted) !important; }

/* ════════════════════════════════════════════════════════════════
   BREADCRUMB
   ════════════════════════════════════════════════════════════════ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--text-dim);
  padding: 20px 0 0;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--text-muted); text-decoration: none; }
.breadcrumb span { color: var(--text-dim); }

/* ════════════════════════════════════════════════════════════════
   HERO (Ana Sayfa)
   ════════════════════════════════════════════════════════════════ */
.hero {
  text-align: center;
  padding: 56px 0 48px;
}
.hero-eyebrow {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 18px;
}
.hero h1 span { color: var(--accent-blue); }
.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 32px;
}

/* Hero search */
.hero-search {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
}
.hero-search input {
  width: 100%;
  padding: 16px 56px 16px 20px;
  background: var(--glass-bg);
  border: 1.5px solid var(--glass-border);
  border-radius: 60px;
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.hero-search input::placeholder { color: var(--text-dim); }
.hero-search input:focus {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow);
}
.hero-search-icon {
  position: absolute;
  right: 18px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

/* ════════════════════════════════════════════════════════════════
   CATEGORY TABS
   ════════════════════════════════════════════════════════════════ */
.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 36px;
}
.tab-btn {
  padding: 7px 18px;
  border-radius: 40px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-muted);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.tab-btn:hover { background: var(--glass-hover); color: var(--text-main); }
.tab-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}

/* ════════════════════════════════════════════════════════════════
   TOOL CARDS GRID (Ana Sayfa)
   ════════════════════════════════════════════════════════════════ */
.tools-section { margin-bottom: 60px; }

.section-label {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.tools-grid.featured {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,.92);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-main);
  box-shadow: 0 12px 34px rgba(19,48,82,.055);
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.tool-card:hover {
  background: #fff;
  border-color: rgba(59,130,246,.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 46px rgba(19,48,82,.11);
  text-decoration: none;
}
.tool-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--accent-blue);
}
.tool-card[data-cat="sosyal"]::before { background: var(--accent-teal); }
.tool-card[data-cat="zaman"]::before { background: var(--accent-purple); }
.tool-card[data-cat="egitim"]::before { background: var(--accent-amber); }
.tool-card-icon {
  font-size: 1.8rem;
  line-height: 1;
}
.tool-card-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.02em;
}
.tool-card-desc {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.45;
}
.tool-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
  background: rgba(59,130,246,.12);
  color: var(--accent-blue);
  width: fit-content;
}
.tool-card-badge.teal  { background: rgba(16,185,129,.12); color: var(--accent-teal); }
.tool-card-badge.amber { background: rgba(245,158,11,.12); color: var(--accent-amber); }
.tool-card-badge.purple{ background: rgba(139,92,246,.12); color: var(--accent-purple); }

/* ════════════════════════════════════════════════════════════════
   CALCULATOR PAGE LAYOUT
   ════════════════════════════════════════════════════════════════ */
.calc-page {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 28px 0 60px;
}
@media (min-width: 900px) {
  .calc-page { grid-template-columns: 1fr 340px; gap: 32px; }
}

.calc-header { margin-bottom: 8px; }
.calc-header h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 900;
  letter-spacing: -.035em;
  line-height: 1.15;
  margin-bottom: 10px;
}
.calc-header p { font-size: .95rem; color: var(--text-muted); max-width: 540px; }

/* Preset chips */
.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.preset-chip {
  padding: 5px 14px;
  border-radius: 30px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-muted);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.preset-chip:hover { background: var(--glass-hover); color: var(--text-main); border-color: var(--accent-blue); }
.preset-chip.active { background: rgba(59,130,246,.15); color: var(--accent-blue); border-color: var(--accent-blue); }

/* Calculator card */
.calc-card {
  background: rgba(255,255,255,.94);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

/* Form fields */
.field {
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.field input,
.field select {
  width: 100%;
  padding: 11px 14px;
  background: #fff;
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 1rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -moz-appearance: textfield;
}
.field input::-webkit-outer-spin-button,
.field input::-webkit-inner-spin-button { -webkit-appearance: none; }
.field input:focus,
.field select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.field select { cursor: pointer; }
.field select option { background: var(--bg-soft); }

/* Toggle row */
.toggle-row {
  display: flex;
  gap: 4px;
  background: #eef2f7;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: 18px;
}
.toggle-btn {
  flex: 1;
  padding: 8px;
  border-radius: calc(var(--radius-md) - 4px);
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.toggle-btn.active {
  background: var(--accent-blue);
  color: #fff;
}

/* Chip group */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}
.chip {
  padding: 6px 14px;
  border-radius: 30px;
  border: 1.5px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-muted);
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.chip:hover { border-color: var(--accent-blue); color: var(--text-main); }
.chip.active { background: rgba(59,130,246,.15); color: var(--accent-blue); border-color: var(--accent-blue); }

/* Divider */
.divider {
  height: 1px;
  background: var(--glass-border);
  margin: 20px 0;
}

/* Result box */
.result-box {
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid rgba(59, 130, 246, 0.18);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-top: 4px;
}
.result-box.success { background: rgba(16,185,129,.06); border-color: rgba(16,185,129,.2); }

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding: 5px 0;
  font-size: .9rem;
}
.result-row + .result-row { border-top: 1px solid var(--glass-border); }
.result-label { color: var(--text-muted); font-size: .85rem; }
.result-val { font-weight: 700; font-size: .95rem; font-variant-numeric: tabular-nums; }
.result-val.big { font-size: 1.5rem; color: var(--accent-blue); }
.result-val.teal { color: var(--accent-teal); }

/* Visual bar */
.bar-chart { margin: 14px 0; }
.bar-track {
  height: 10px;
  border-radius: 10px;
  background: #e2e8f0;
  overflow: hidden;
  display: flex;
}
.bar-segment {
  height: 100%;
  transition: width .4s ease;
}
.bar-labels {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.bar-label-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  color: var(--text-muted);
}
.bar-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Insight callout */
.insight {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: rgba(245,158,11,.07);
  border: 1px solid rgba(245,158,11,.15);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: .82rem;
  color: var(--text-muted);
  margin-top: 12px;
}
.insight-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }

/* Action buttons */
.action-row {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  border: none;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.btn-primary { background: var(--accent-blue); color: #fff; }
.btn-primary:hover { background: #2563eb; }
.btn-ghost {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
}
.btn-ghost:hover { background: var(--glass-hover); color: var(--text-main); }
.btn-whatsapp { background: #25D366; color: #fff; }
.btn-whatsapp:hover { background: #1da851; }
.btn-icon { font-size: 1rem; }

/* Details (collapsible) */
.details-panel {
  margin-top: 16px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255,255,255,.72);
}
.details-panel summary {
  padding: 12px 16px;
  cursor: pointer;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-muted);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background var(--transition);
  user-select: none;
}
.details-panel summary::-webkit-details-marker { display: none; }
.details-panel summary::before {
  content: '▶';
  font-size: .65rem;
  transition: transform var(--transition);
  color: var(--text-dim);
}
.details-panel[open] summary::before { transform: rotate(90deg); }
.details-panel summary:hover { background: var(--glass-bg); }
.details-body {
  padding: 16px;
  border-top: 1px solid var(--glass-border);
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.details-body code {
  background: #eef2f7;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Fira Code', monospace;
  font-size: .82rem;
  color: var(--accent-teal);
}

/* Amortization table */
.amort-table-wrap {
  overflow-x: auto;
  max-height: 320px;
  overflow-y: auto;
  margin-top: 8px;
}
.amort-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8rem;
}
.amort-table th {
  position: sticky;
  top: 0;
  background: var(--bg-soft);
  padding: 8px 10px;
  text-align: right;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--glass-border);
  white-space: nowrap;
}
.amort-table th:first-child { text-align: center; }
.amort-table td {
  padding: 7px 10px;
  text-align: right;
  border-bottom: 1px solid var(--glass-border);
  font-variant-numeric: tabular-nums;
}
.amort-table td:first-child { text-align: center; color: var(--text-dim); }
.amort-table tr:hover td { background: var(--glass-bg); }

/* ════════════════════════════════════════════════════════════════
   SIDEBAR (calc page)
   ════════════════════════════════════════════════════════════════ */
.sidebar { display: flex; flex-direction: column; gap: 16px; }

/* Related tools */
.related-card {
  background: rgba(255,255,255,.88);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 18px;
}
.related-card h3 {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.related-list { display: flex; flex-direction: column; gap: 4px; }
.related-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-size: .88rem;
  transition: background var(--transition), color var(--transition);
}
.related-item:hover {
  background: var(--glass-hover);
  color: var(--text-main);
  text-decoration: none;
}
.related-item-icon { font-size: 1.1rem; }

/* Last calcs */
.history-card {
  background: rgba(255,255,255,.88);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 18px;
}
.history-card h3 {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.history-empty { font-size: .82rem; color: var(--text-dim); }
.history-list { display: flex; flex-direction: column; gap: 6px; }
.history-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: #f8fafc;
  border: 1px solid var(--glass-border);
  transition: background var(--transition);
  font-size: .8rem;
}
/* Yalnızca geri yüklenebilir kayıtlar tıklanabilir görünsün */
.history-item.is-clickable { cursor: pointer; }
.history-item.is-clickable:hover,
.history-item.is-clickable:focus-visible { background: var(--glass-hover); }
.history-item-title { font-weight: 600; color: var(--text-muted); }
.history-item-val { color: var(--accent-blue); font-weight: 700; font-variant-numeric: tabular-nums; }

/* ════════════════════════════════════════════════════════════════
   FAQ SECTION
   ════════════════════════════════════════════════════════════════ */
.faq-section {
  margin: 40px 0;
}
.faq-section h2 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.faq-item {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  overflow: hidden;
  background: rgba(255,255,255,.72);
}
.faq-item summary {
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: .9rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--text-dim);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-body {
  padding: 0 16px 14px;
  font-size: .87rem;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--glass-border);
  padding-top: 12px;
}

/* ════════════════════════════════════════════════════════════════
   DIGITAL RECEIPT (Masa Hesap)
   ════════════════════════════════════════════════════════════════ */
.receipt {
  background: #fff;
  border: 1px dashed rgba(19,48,82,.22);
  border-radius: var(--radius-md);
  padding: 20px;
  font-family: 'Courier New', monospace;
  font-size: .85rem;
  margin-top: 16px;
}
.receipt-header { text-align: center; margin-bottom: 12px; }
.receipt-header strong { font-size: .95rem; display: block; }
.receipt-header small { color: var(--text-dim); font-size: .75rem; }
.receipt-divider { border: none; border-top: 1px dashed rgba(19,48,82,.22); margin: 10px 0; }
.receipt-row { display: flex; justify-content: space-between; margin: 4px 0; color: var(--text-muted); }
.receipt-row.total { color: var(--text-main); font-weight: 700; font-size: 1rem; }
.receipt-row.highlight { color: var(--accent-teal); font-weight: 700; font-size: 1.1rem; }

/* ════════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--glass-border);
  padding: 32px 0 28px;
  margin-top: auto;
}
.footer-inner {
  width: min(1160px, calc(100% - 32px));
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.footer-family {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.footer-family-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-right: 4px;
}
.footer-family a {
  font-size: .82rem;
  color: var(--text-dim);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.footer-family a:hover {
  color: var(--text-muted);
  border-color: var(--glass-border);
  text-decoration: none;
}
.footer-family a[aria-current="page"] { color: var(--accent-blue); }

.footer-legal {
  font-size: .78rem;
  color: var(--text-dim);
  line-height: 1.6;
}
.footer-legal a { color: var(--text-dim); text-decoration: underline; }

/* ════════════════════════════════════════════════════════════════
   TOAST / COPY FEEDBACK
   ════════════════════════════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: rgba(16, 185, 129, 0.95);
  color: #fff;
  padding: 10px 20px;
  border-radius: 40px;
  font-size: .88rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 9999;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════════════ */
@media (max-width: 680px) {
  .navbar { gap: 8px; padding: 8px 10px; }
  .brand-logo { height: 36px; }
  .search-input { width: 120px; }
  .search-input:focus { width: 150px; }
  .nav-link { display: none; }
  .hero { padding: 36px 0 32px; }
  .calc-card { padding: 18px; }
  .action-row { flex-direction: column; }
  .action-row .btn { justify-content: center; }
  .result-val.big { font-size: 1.25rem; }
}

@media (max-width: 420px) {
  .search-wrap { display: none; }
  .app-switcher-panel { position: fixed; top: 68px; right: 15px; width: min(286px, calc(100vw - 30px)); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tool-card, .app-switcher-grid i { transition-duration: 1ms; }
  .app-switcher summary:hover .app-switcher-grid i,
  .app-switcher summary:focus-visible .app-switcher-grid i { transform: none; }
}