/* ============================================================================
   UNICUT — Design-Fundament
   Tokens, Reset, Typografie, Buttons, Formulare, Modals, Utilities.
   Wird von index.html (Kundenseite) und admin.html gemeinsam genutzt.
   ========================================================================== */

@layer reset, tokens, base, components, utils;

/* ---------- Tokens ----------------------------------------------------- */
@layer tokens {
  :root {
    /* Farbwelt: Noir + Champagner + Iridescent */
    --ink-0:  #050507;
    --ink-1:  #0a0a0f;
    --ink-2:  #101018;
    --ink-3:  #17171f;
    --ink-4:  #22222c;
    --line:   #2a2a35;

    --paper:  #f6f3ee;
    --paper-2:#e9e4db;

    --fg:     #f2efe9;
    --fg-dim: #a8a29a;
    --fg-mute:#75716b;

    --accent:  #d9b26a;   /* im Admin überschreibbar */
    --accent-2:#6ee7d7;
    --accent-3:#c084fc;

    --ok:   #4ade80;
    --warn: #fbbf24;
    --bad:  #fb7185;

    /* Typo */
    --font-display: 'Instrument Serif', 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter Tight', 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace;

    /* Fluid type scale */
    --t-xs:   clamp(0.72rem, 0.68rem + 0.2vw, 0.8rem);
    --t-sm:   clamp(0.84rem, 0.8rem + 0.2vw, 0.94rem);
    --t-base: clamp(0.98rem, 0.93rem + 0.28vw, 1.1rem);
    --t-lg:   clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
    --t-xl:   clamp(1.5rem, 1.25rem + 1.2vw, 2.2rem);
    --t-2xl:  clamp(2rem, 1.5rem + 2.4vw, 3.4rem);
    --t-3xl:  clamp(2.8rem, 1.6rem + 5.4vw, 6rem);
    --t-hero: clamp(3.2rem, 1.2rem + 10vw, 11rem);

    /* Raster */
    --pad:   clamp(1.1rem, 4vw, 3.5rem);
    --gap:   clamp(1rem, 2.2vw, 2rem);
    --maxw:  min(1400px, 92vw);
    --radius: 20px;
    --radius-sm: 12px;
    --radius-lg: 32px;

    /* Bewegung */
    --ease-out: cubic-bezier(.16, 1, .3, 1);
    --ease-in-out: cubic-bezier(.76, 0, .24, 1);
    --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
    --dur-fast: .22s;
    --dur: .5s;
    --dur-slow: .9s;

    --shadow-soft: 0 2px 8px rgba(0,0,0,.3), 0 12px 40px rgba(0,0,0,.35);
    --shadow-glow: 0 0 0 1px rgba(217,178,106,.25), 0 8px 40px rgba(217,178,106,.14);

    color-scheme: dark;
  }

  /* Motion-Stufen (Admin: theme.motion) */
  :root[data-motion='soft']    { --dur-slow: .6s; }
  :root[data-motion='minimal'] { --dur: .001s; --dur-slow: .001s; --dur-fast: .001s; }

  @media (prefers-reduced-motion: reduce) {
    :root { --dur: .001s; --dur-slow: .001s; --dur-fast: .001s; }
  }
}

/* ---------- Reset ------------------------------------------------------ */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  /* Kein overflow-x auf html oder body: beides würde den Viewport zum Scroll-Container
     umbauen und das Dokument-Scrolling lahmlegen. Seitlicher Überlauf wird stattdessen
     dort begrenzt, wo er entsteht (Laufband, Galerie-Schiene, Konfetti-Ebene). */
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
  body { min-height: 100svh; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
  img, svg, video, canvas { display: block; max-width: 100%; }
  img { height: auto; }
  input, button, textarea, select { font: inherit; color: inherit; }
  button { background: none; border: 0; cursor: pointer; }
  a { color: inherit; }
  ul, ol { list-style: none; padding: 0; }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
  ::selection { background: var(--accent); color: #0a0a0f; }
}

/* ---------- Basis ------------------------------------------------------ */
@layer base {
  body {
    background: var(--ink-0);
    color: var(--fg);
    font-family: var(--font-sans);
    font-size: var(--t-base);
    line-height: 1.6;
  }

  h1, h2, h3, h4 { line-height: 1.02; font-weight: 400; letter-spacing: -0.02em; }
  .display { font-family: var(--font-display); font-weight: 400; }

  .eyebrow {
    font-size: var(--t-xs);
    letter-spacing: .32em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 500;
  }

  .lead { font-size: var(--t-lg); color: var(--fg-dim); line-height: 1.5; max-width: 60ch; }
  .muted { color: var(--fg-mute); }
  .mono { font-family: var(--font-mono); }
}

/* ---------- Komponenten ------------------------------------------------ */
@layer components {

  /* Buttons -------------------------------------------------------------- */
  .btn {
    --btn-bg: transparent;
    --btn-fg: var(--fg);
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6em;
    padding: 1em 1.9em;
    border-radius: 100px;
    font-size: var(--t-sm);
    font-weight: 600;
    letter-spacing: .04em;
    text-decoration: none;
    background: var(--btn-bg);
    color: var(--btn-fg);
    border: 1px solid var(--line);
    overflow: hidden;
    isolation: isolate;
    transition: transform var(--dur-fast) var(--ease-spring),
                border-color var(--dur-fast),
                color var(--dur-fast),
                box-shadow var(--dur-fast);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  .btn::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(120% 140% at var(--mx, 50%) var(--my, 50%),
                var(--accent) 0%, color-mix(in oklab, var(--accent) 55%, var(--accent-3)) 55%, transparent 78%);
    transform: scale(0);
    transform-origin: center;
    transition: transform var(--dur) var(--ease-out), opacity var(--dur);
    opacity: 0;
    z-index: -1;
  }
  .btn:hover::before, .btn:focus-visible::before { transform: scale(1.6); opacity: 1; }
  .btn:hover, .btn:focus-visible { color: #0a0a0f; border-color: transparent; }
  .btn:active { transform: scale(.96); }

  .btn-primary {
    --btn-bg: var(--accent);
    --btn-fg: #0a0a0f;
    border-color: transparent;
    box-shadow: var(--shadow-glow);
  }
  .btn-primary::before {
    background: radial-gradient(120% 140% at var(--mx,50%) var(--my,50%), #fff 0%, var(--accent-2) 60%, transparent 80%);
  }
  .btn-primary:hover { color: #0a0a0f; }

  .btn-ghost { border-color: color-mix(in oklab, var(--fg) 22%, transparent); }
  .btn-sm { padding: .6em 1.15em; font-size: var(--t-xs); }
  .btn-lg { padding: 1.15em 2.4em; font-size: var(--t-base); }
  .btn-block { width: 100%; }
  .btn[disabled] { opacity: .45; pointer-events: none; }

  .btn .ico { width: 1.15em; height: 1.15em; flex: none; }

  /* Karten --------------------------------------------------------------- */
  .card {
    position: relative;
    background: linear-gradient(160deg, rgba(255,255,255,.045), rgba(255,255,255,.012));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(1.2rem, 2.5vw, 2rem);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    overflow: hidden;
  }
  .card::after {
    content: '';
    position: absolute; inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(140deg, color-mix(in oklab, var(--accent) 55%, transparent), transparent 45%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--dur) var(--ease-out);
    pointer-events: none;
  }
  .card:hover::after { opacity: 1; }

  /* Formulare ------------------------------------------------------------ */
  .field { display: grid; gap: .45rem; }
  .field > label,
  .lbl {
    font-size: var(--t-xs);
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--fg-mute);
    font-weight: 600;
  }
  .input, .textarea, .select {
    width: 100%;
    padding: .95em 1.1em;
    background: rgba(255,255,255,.035);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    color: var(--fg);
    font-size: var(--t-base);
    transition: border-color var(--dur-fast), background var(--dur-fast), box-shadow var(--dur-fast);
    min-height: 3rem;
  }
  .textarea { min-height: 7rem; resize: vertical; line-height: 1.55; }
  .input::placeholder, .textarea::placeholder { color: var(--fg-mute); }
  .input:focus, .textarea:focus, .select:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255,255,255,.06);
    box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 18%, transparent);
  }
  .input[aria-invalid='true'], .textarea[aria-invalid='true'] {
    border-color: var(--bad);
    box-shadow: 0 0 0 4px color-mix(in oklab, var(--bad) 18%, transparent);
  }
  .select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a8a29a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.1em;
    padding-right: 2.8em;
  }
  .select option { background: var(--ink-2); color: var(--fg); }
  .err { color: var(--bad); font-size: var(--t-xs); min-height: 1.1em; }
  .hint { color: var(--fg-mute); font-size: var(--t-xs); }

  /* Chips / Toggle-Auswahl ----------------------------------------------- */
  .chips { display: flex; flex-wrap: wrap; gap: .5rem; }
  .chip {
    display: inline-flex; align-items: center; gap: .45em;
    padding: .62em 1.05em;
    border-radius: 100px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.03);
    font-size: var(--t-sm);
    color: var(--fg-dim);
    cursor: pointer;
    transition: all var(--dur-fast) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  .chip:hover { border-color: color-mix(in oklab, var(--accent) 50%, transparent); color: var(--fg); transform: translateY(-1px); }
  .chip[aria-pressed='true'], .chip.is-on {
    background: var(--accent);
    color: #0a0a0f;
    border-color: transparent;
    font-weight: 600;
    box-shadow: 0 4px 20px color-mix(in oklab, var(--accent) 35%, transparent);
  }
  .chip small { opacity: .7; font-size: .8em; }

  /* Checkbox / Switch ---------------------------------------------------- */
  .check { display: flex; gap: .8rem; align-items: flex-start; cursor: pointer; font-size: var(--t-sm); line-height: 1.5; }
  .check input { appearance: none; width: 1.4rem; height: 1.4rem; flex: none; margin-top: .12rem;
    border: 1px solid var(--line); border-radius: 6px; background: rgba(255,255,255,.04);
    display: grid; place-content: center; transition: all var(--dur-fast); cursor: pointer; }
  .check input::after {
    content: ''; width: .75rem; height: .45rem;
    border-left: 2px solid #0a0a0f; border-bottom: 2px solid #0a0a0f;
    transform: rotate(-45deg) scale(0); transition: transform var(--dur-fast) var(--ease-spring);
  }
  .check input:checked { background: var(--accent); border-color: var(--accent); }
  .check input:checked::after { transform: rotate(-45deg) scale(1); }

  .switch { display: inline-flex; align-items: center; gap: .7rem; cursor: pointer; font-size: var(--t-sm); }
  .switch input { appearance: none; width: 3.1rem; height: 1.7rem; border-radius: 100px;
    background: var(--ink-4); border: 1px solid var(--line); position: relative; transition: background var(--dur-fast); cursor: pointer; flex: none; }
  .switch input::after { content: ''; position: absolute; top: 50%; left: 3px; translate: 0 -50%;
    width: 1.25rem; height: 1.25rem; border-radius: 50%; background: var(--fg-dim); transition: all var(--dur-fast) var(--ease-spring); }
  .switch input:checked { background: var(--accent); border-color: var(--accent); }
  .switch input:checked::after { left: calc(100% - 1.25rem - 3px); background: #0a0a0f; }

  /* Modal ---------------------------------------------------------------- */
  dialog.modal {
    width: min(680px, 94vw);
    max-height: 88svh;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: linear-gradient(165deg, var(--ink-2), var(--ink-1));
    color: var(--fg);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
  }
  dialog.modal::backdrop {
    background: rgba(3,3,6,.72);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  dialog.modal[open] { animation: modal-in .45s var(--ease-out); }
  dialog.modal[open]::backdrop { animation: fade-in .35s ease; }
  .modal-head {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 1.3rem clamp(1.2rem, 3vw, 2rem);
    border-bottom: 1px solid var(--line);
    position: sticky; top: 0;
    background: color-mix(in oklab, var(--ink-2) 92%, transparent);
    backdrop-filter: blur(8px);
    z-index: 2;
  }
  .modal-head h3 { font-size: var(--t-lg); }
  .modal-body { padding: clamp(1.2rem, 3vw, 2rem); overflow-y: auto; max-height: calc(88svh - 5rem); }
  .modal-close {
    width: 2.5rem; height: 2.5rem; border-radius: 50%;
    display: grid; place-content: center;
    border: 1px solid var(--line); color: var(--fg-dim);
    transition: all var(--dur-fast);
    flex: none;
  }
  .modal-close:hover { background: var(--bad); color: #fff; border-color: transparent; rotate: 90deg; }

  @keyframes modal-in {
    from { opacity: 0; transform: translateY(28px) scale(.96); }
    to   { opacity: 1; transform: none; }
  }
  @keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

  /* Toast ---------------------------------------------------------------- */
  .toast-wrap {
    position: fixed; z-index: 9999;
    bottom: max(1.2rem, env(safe-area-inset-bottom)); left: 50%; translate: -50% 0;
    display: grid; gap: .6rem; width: min(440px, 92vw);
    pointer-events: none;
  }
  .toast {
    display: flex; align-items: center; gap: .8rem;
    padding: .95rem 1.2rem;
    border-radius: 100px;
    background: color-mix(in oklab, var(--ink-3) 92%, transparent);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(16px);
    font-size: var(--t-sm);
    animation: toast-in .5s var(--ease-spring);
    pointer-events: auto;
  }
  .toast.is-out { animation: toast-out .3s var(--ease-in-out) forwards; }
  .toast-dot { width: .6rem; height: .6rem; border-radius: 50%; background: var(--accent); flex: none; }
  .toast.ok  .toast-dot { background: var(--ok); }
  .toast.bad .toast-dot { background: var(--bad); }
  @keyframes toast-in  { from { opacity: 0; transform: translateY(24px) scale(.9); } }
  @keyframes toast-out { to   { opacity: 0; transform: translateY(12px) scale(.95); } }

  /* Status-Badges -------------------------------------------------------- */
  .badge {
    display: inline-flex; align-items: center; gap: .4em;
    padding: .3em .8em; border-radius: 100px;
    font-size: var(--t-xs); font-weight: 600; letter-spacing: .04em;
    border: 1px solid currentColor;
    white-space: nowrap;
  }
  .st-new      { color: var(--accent-2); }
  .st-progress { color: var(--warn); }
  .st-called   { color: #93c5fd; }
  .st-booked   { color: var(--ok); }
  .st-done     { color: var(--fg-mute); }
  .st-noanswer { color: var(--bad); }
}

/* ---------- Utilities -------------------------------------------------- */
@layer utils {
  .wrap { width: var(--maxw); margin-inline: auto; }
  .stack { display: grid; gap: var(--gap); }
  .row { display: flex; gap: var(--gap); align-items: center; flex-wrap: wrap; }
  .row-tight { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
  .between { display: flex; gap: var(--gap); align-items: center; justify-content: space-between; flex-wrap: wrap; }
  .center { text-align: center; }
  .hidden, [hidden] { display: none !important; }
  .sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
  }
  .nowrap { white-space: nowrap; }
  .grad-text {
    background: linear-gradient(100deg, var(--fg) 10%, var(--accent) 45%, var(--accent-3) 70%, var(--fg) 95%);
    background-size: 220% 100%;
    -webkit-background-clip: text; background-clip: text;
    color: transparent;
    animation: shimmer 7s linear infinite;
  }
  @keyframes shimmer { to { background-position: -220% 0; } }
  .mt-0 { margin-top: 0; } .mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.75rem; }
}