/* CykloLab – moderní tmavý/světlý prémiový vizuál (vlastní styly nad Tailwind) */

/* ===== TMAVÉ TÉMA (výchozí) ===== */
:root {
  /* Barevné kanály pro Tailwind tokeny (R G B) */
  --c-background: 10 10 13;
  --c-surface: 10 10 13;
  --c-surface-dim: 10 10 13;
  --c-surface-bright: 44 43 53;
  --c-surface-container-lowest: 7 7 9;
  --c-surface-container-low: 16 15 20;
  --c-surface-container: 21 20 26;
  --c-surface-container-high: 28 27 34;
  --c-surface-container-highest: 37 36 45;
  --c-surface-variant: 37 36 45;
  --c-on-surface: 242 243 247;
  --c-on-surface-variant: 155 155 168;
  --c-outline: 52 51 61;
  --c-outline-variant: 35 34 41;
  --c-primary: 255 182 138;
  --c-primary-container: 255 122 24;
  --c-on-primary: 58 21 0;
  --c-on-primary-container: 255 255 255;
  --c-error: 255 180 171;
  --c-error-container: 147 0 10;
  --c-on-error: 105 0 5;
  --c-on-error-container: 255 218 214;
  --c-success: 74 222 128;
  --c-accent: 255 209 102;

  /* Doplňkové (vlastní) proměnné */
  --kinetic: #ff7a18;
  --kinetic-soft: #ffb68a;
  --accent: #ffd166;
  --bg: #0a0a0d;
  --text: #f2f3f7;
  --glow: rgba(255, 122, 24, 0.18);

  --glass-from: rgba(255, 255, 255, 0.05);
  --glass-to: rgba(255, 255, 255, 0.012);
  --glass-border: rgba(255, 255, 255, 0.08);
  --card-hover-shadow: 0 18px 40px -18px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,122,24,0.2), 0 0 40px -8px var(--glow);
  --lift-shadow: 0 16px 36px -20px rgba(0,0,0,0.8), 0 0 30px -10px var(--glow);

  --ghost-border: rgba(255, 255, 255, 0.25);
  --ghost-bg: rgba(255, 255, 255, 0.02);
  --ghost-bg-hover: rgba(255, 255, 255, 0.08);
  --ghost-text: #f2f3f7;
  --ghost-text-hover: #ffffff;

  --pill-hover: rgba(255, 255, 255, 0.06);
  --grid-line: rgba(255, 255, 255, 0.015);

  --toast-bg: rgba(28, 27, 34, 0.92);
  --toast-border: rgba(255, 255, 255, 0.08);

  --grad-from: #ff9d4d;
  --grad-via: #ff7a18;
  --grad-to: #ffd166;

  --ambient: radial-gradient(900px 500px at 78% -8%, rgba(255,122,24,0.16), transparent 60%),
             radial-gradient(700px 600px at 8% 12%, rgba(255,122,24,0.07), transparent 55%),
             radial-gradient(1000px 700px at 50% 120%, rgba(255,209,102,0.05), transparent 60%);
}

/* ===== SVĚTLÉ TÉMA ===== */
html.light {
  --c-background: 244 245 247;
  --c-surface: 255 255 255;
  --c-surface-dim: 244 245 247;
  --c-surface-bright: 255 255 255;
  --c-surface-container-lowest: 236 238 242;
  --c-surface-container-low: 238 240 243;
  --c-surface-container: 240 241 244;
  --c-surface-container-high: 231 233 238;
  --c-surface-container-highest: 223 226 232;
  --c-surface-variant: 231 233 238;
  --c-on-surface: 20 21 26;
  --c-on-surface-variant: 90 92 102;
  --c-outline: 201 204 211;
  --c-outline-variant: 224 227 233;
  --c-primary: 198 74 0;
  --c-primary-container: 240 100 26;
  --c-on-primary: 255 255 255;
  --c-on-primary-container: 255 255 255;
  --c-error: 220 38 38;
  --c-error-container: 185 28 28;
  --c-on-error: 255 255 255;
  --c-on-error-container: 255 255 255;
  --c-success: 22 163 74;
  --c-accent: 217 119 6;

  --bg: #f4f5f7;
  --text: #14151a;
  --glow: rgba(255, 122, 24, 0.16);

  --glass-from: #ffffff;
  --glass-to: #fbfbfd;
  --glass-border: rgba(15, 18, 25, 0.08);
  --card-hover-shadow: 0 20px 44px -20px rgba(15,18,25,0.25), 0 0 0 1px rgba(255,122,24,0.25), 0 0 36px -12px var(--glow);
  --lift-shadow: 0 18px 38px -22px rgba(15,18,25,0.28), 0 0 28px -12px var(--glow);

  --ghost-border: rgba(20, 21, 26, 0.22);
  --ghost-bg: rgba(20, 21, 26, 0.015);
  --ghost-bg-hover: rgba(20, 21, 26, 0.06);
  --ghost-text: #14151a;
  --ghost-text-hover: #14151a;

  --pill-hover: rgba(20, 21, 26, 0.05);
  --grid-line: rgba(20, 21, 26, 0.04);

  --toast-bg: rgba(255, 255, 255, 0.96);
  --toast-border: rgba(15, 18, 25, 0.1);

  --grad-from: #ff8a2b;
  --grad-via: #e35d11;
  --grad-to: #f0641a;

  --ambient: radial-gradient(900px 500px at 80% -10%, rgba(255,122,24,0.10), transparent 60%),
             radial-gradient(700px 600px at 6% 10%, rgba(255,122,24,0.05), transparent 55%);
}

html { scroll-behavior: smooth; background-color: var(--bg); }

body {
  background-color: transparent !important;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Ambientní záře + jemná textura na pozadí (fixní vrstva za obsahem) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--ambient);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 58px 58px;
}

::selection { background: var(--kinetic-soft); color: #3a1500; }

/* Material Symbols */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  user-select: none;
}
.material-symbols-outlined.fill {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* Scrollbar */
.custom-scrollbar::-webkit-scrollbar { width: 8px; height: 8px; }
.custom-scrollbar::-webkit-scrollbar-track { background: transparent; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: rgb(var(--c-outline)); border-radius: 8px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: var(--kinetic); }
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* Gradientový text pro klíčové nadpisy */
.text-gradient {
  background: linear-gradient(100deg, var(--grad-from) 0%, var(--grad-via) 45%, var(--grad-to) 110%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Tenká oranžová linka pod nadpisem sekce */
.section-rule {
  width: 64px; height: 3px; border-radius: 9999px;
  background: linear-gradient(90deg, var(--kinetic), var(--accent));
}

/* Hero přechod – vždy tmavý (text nad fotkou zůstává čitelný i ve světlém režimu) */
.hero-gradient {
  background: linear-gradient(0deg, #0a0a0d 4%, rgba(10,10,13,0.55) 45%, rgba(10,10,13,0.1) 100%);
}

/* ---------- Skleněná karta / panel ---------- */
.glass-card {
  background: linear-gradient(160deg, var(--glass-from), var(--glass-to));
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  -webkit-backdrop-filter: blur(8px);
          backdrop-filter: blur(8px);
}

/* Jemné nadzvednutí při hoveru (servisní karty, panely) */
.lift { transition: transform .3s cubic-bezier(.2,.7,.2,1), border-color .3s ease, box-shadow .3s ease; }
.lift:hover {
  transform: translateY(-4px);
  border-color: rgba(255,122,24,0.4);
  box-shadow: var(--lift-shadow);
}

/* ---------- Karta produktu ---------- */
.product-card {
  background: linear-gradient(165deg, var(--glass-from), var(--glass-to));
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  overflow: hidden;
  transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .35s ease, box-shadow .35s ease;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,122,24,0.55);
  box-shadow: var(--card-hover-shadow);
}
.product-card .product-img { transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.product-card:hover .product-img { transform: scale(1.07); }

/* ---------- Tlačítka ---------- */
.btn-primary {
  position: relative;
  background: linear-gradient(120deg, #ff8a2b, var(--kinetic));
  color: #2a0f00;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-radius: 12px;
  box-shadow: 0 10px 30px -12px rgba(255,122,24,0.7);
  transition: transform .15s ease, box-shadow .25s ease, filter .2s ease;
  overflow: hidden;
}
.btn-primary::after {
  content: "";
  position: absolute; top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.45), transparent);
  transform: skewX(-18deg);
  transition: left .6s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -12px rgba(255,122,24,0.85); }
.btn-primary:hover::after { left: 140%; }
.btn-primary:active { transform: translateY(0) scale(.98); }

.btn-ghost {
  border: 1px solid var(--ghost-border);
  color: var(--ghost-text);
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-radius: 12px;
  background: var(--ghost-bg);
  transition: background .25s ease, border-color .25s ease, transform .15s ease, color .25s ease;
}
.btn-ghost:hover { background: var(--ghost-bg-hover); border-color: rgba(255,122,24,0.6); color: var(--ghost-text-hover); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(0) scale(.98); }

/* Pill odkazy v navigaci */
.nav-pill {
  padding: 6px 14px;
  border-radius: 9999px;
  transition: background .25s ease, color .25s ease;
}
.nav-pill:hover { background: var(--pill-hover); }
.nav-pill.is-active { background: rgba(255,122,24,0.14); color: var(--kinetic-soft); }

/* Vstupy */
input:not([type="checkbox"]):not([type="range"]), select, textarea { border-radius: 12px; }
input[type="checkbox"].apex-check {
  border-radius: 5px;
  border: 1px solid rgb(var(--c-outline));
}
input[type="checkbox"].apex-check:checked {
  background-color: var(--kinetic);
  border-color: var(--kinetic);
}
input[type="range"].apex-range { accent-color: var(--kinetic); border-radius: 9999px; }

/* Náhradní obrázek */
.img-fallback {
  background: repeating-linear-gradient(135deg, rgb(var(--c-surface-container-low)) 0 14px, rgb(var(--c-surface-container)) 14px 28px);
  display: flex; align-items: center; justify-content: center; position: relative;
}
.img-fallback::after {
  content: "directions_bike";
  font-family: 'Material Symbols Outlined';
  font-size: 64px; color: rgba(255,122,24,0.30);
  font-variation-settings: 'FILL' 1;
}

/* Aktivní miniatura galerie */
.active-thumb { outline: 2px solid var(--kinetic); outline-offset: -2px; border-radius: 12px; }

/* ---------- Toast ---------- */
#toast-stack {
  position: fixed; bottom: 24px; right: 24px; z-index: 100;
  display: flex; flex-direction: column; gap: 12px; pointer-events: none;
}
.toast {
  pointer-events: auto; min-width: 280px;
  background: var(--toast-bg);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid var(--toast-border);
  border-left: 3px solid var(--kinetic);
  border-radius: 12px;
  padding: 14px 18px; display: flex; align-items: center; gap: 12px;
  color: var(--text); box-shadow: 0 12px 30px -10px rgba(0,0,0,0.4);
  transform: translateX(120%); opacity: 0;
  transition: transform .4s cubic-bezier(.2,.8,.2,1), opacity .4s ease;
}
.toast.show { transform: translateX(0); opacity: 1; }

/* Mobilní menu */
#mobile-menu { transition: transform .35s cubic-bezier(.2,.8,.2,1); }

/* Přepínač tématu */
#theme-toggle, #theme-toggle-m { cursor: pointer; }

/* ---------- Scroll-reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* okamžitá animace (potvrzení apod.) */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.reveal { animation: fadeUp .6s ease both; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Administrace (tmavá i světlá) ---------- */
.admin-tab {
  padding: 12px 16px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: .04em;
  color: rgb(var(--c-on-surface-variant));
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.admin-tab:hover { color: rgb(var(--c-on-surface)); }
.admin-tab.is-active { color: var(--kinetic); border-bottom-color: var(--kinetic); }

.admin-input {
  width: 100%;
  background: rgb(var(--c-surface-container));
  border: 1px solid rgb(var(--c-outline));
  border-radius: 10px;
  padding: 10px 12px;
  color: rgb(var(--c-on-surface));
  outline: none;
  transition: border-color .2s ease;
}
.admin-input:focus { border-color: var(--kinetic); }
.admin-input::placeholder { color: rgb(var(--c-on-surface-variant) / 0.7); }
.admin-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgb(var(--c-on-surface-variant));
  margin-bottom: 6px;
  font-weight: 700;
}
#products-tbody tr, #news-tbody tr, #orders-tbody tr { border-bottom: 1px solid rgb(var(--c-outline-variant)); }
#products-tbody tr:last-child, #news-tbody tr:last-child, #orders-tbody tr:last-child { border-bottom: none; }
#products-tbody tr:hover, #news-tbody tr:hover, #orders-tbody tr:hover { background: rgb(var(--c-on-surface) / 0.03); }
.icon-btn {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 9px; border: 1px solid rgb(var(--c-outline));
  color: rgb(var(--c-on-surface-variant)); transition: all .2s ease;
}
.icon-btn:hover { color: rgb(var(--c-on-surface)); border-color: var(--kinetic); }
.icon-btn.danger:hover { color: rgb(var(--c-error)); border-color: rgb(var(--c-error)); }

/* KPI dlaždice */
.kpi { display: flex; flex-direction: column; gap: 4px; }
.kpi .kpi-val { font-family: Oswald, sans-serif; font-size: 32px; line-height: 1; font-weight: 700; }
.kpi .kpi-label { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: rgb(var(--c-on-surface-variant)); }

/* Odznaky stavů objednávek (fungují v obou tématech) */
.status-badge {
  padding: 3px 10px; border-radius: 9999px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em; display: inline-block; white-space: nowrap;
}
.st-nova { color: #38bdf8; background: rgba(56,189,248,.14); }
.st-vyrizuje { color: #f59e0b; background: rgba(245,158,11,.16); }
.st-odeslano { color: #a78bfa; background: rgba(167,139,250,.16); }
.st-doruceno { color: #22c55e; background: rgba(34,197,94,.16); }
.st-storno { color: #ef4444; background: rgba(239,68,68,.14); }