/* ----------------------------------------------------
   Bildergalerie – Basisstyles (LIGHT THEME)
   Pfad: /assets/css/style.css
   Autor: Jarvis
---------------------------------------------------- */

/* CSS Reset (leicht) */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font: inherit; }

/* Farbsystem & Theme – hell, freundlich, technisch-modern */
:root{
  --bg: #f7f9fb;              /* Seitenhintergrund */
  --bg-soft: #f1f5f9;         /* sanfte Flächen */
  --panel: #ffffff;           /* Karten/Paneele */
  --panel-2: #f8fafc;         /* alternative Paneele */
  --text: #0b0f16;            /* Primärtext (dunkel) */
  --text-dim: #475569;        /* Sekundärtext */
  --muted: #64748b;
  --brand: #16a34a;           /* Mittelgrün – Shop-CTA */
  --brand-2: #22c55e;         /* Like-Button */
  --accent: #3b82f6;          /* Blau – Akzent */
  --danger: #ef4444;
  --warn: #f59e0b;
  --ok: #10b981;
  --border: rgba(2, 6, 23, .12);     /* dezente Ränder */
  --shadow: 0 8px 24px rgba(2, 6, 23, .05), 0 1px 0 rgba(255,255,255,.6) inset;
  --radius: 16px;
}

/* Seite */
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 0% 0%, #ffffff 0%, transparent 70%),
    radial-gradient(900px 500px at 100% 0%, #f4f7fb 0%, transparent 70%),
    radial-gradient(1000px 600px at 100% 100%, #f2f6fb 0%, transparent 70%),
    linear-gradient(180deg, var(--bg), var(--bg));
  min-height: 100vh;
}

/* Header / Navi */
.site-header{
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 20px rgba(2,6,23,.06);
}
.site-header .site-nav{
  display: flex; gap: .6rem; align-items: center;
}
.site-header h1{
  font-size: clamp(1.1rem, 1.2rem + .6vw, 1.6rem);
  margin: 0;
  letter-spacing: .3px;
}
.site-header,
.gallery-wrapper,
.upload-wrapper,
.admin-wrapper{
  padding: 1rem clamp(1rem, 2vw, 2rem);
}
.site-header > *{
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}

/* Buttons */
.btn{
  --btn-bg: var(--brand);
  --btn-fg: #ffffff;
  display: inline-flex; align-items: center; justify-content: center;
  padding: .6rem 1rem;
  border-radius: 999px;
  background: linear-gradient(180deg, color-mix(in oklab, var(--btn-bg), white 4%), var(--btn-bg));
  color: var(--btn-fg); text-decoration: none; font-weight: 700;
  border: 1px solid color-mix(in oklab, var(--btn-bg), black 20%);
  box-shadow: 0 8px 22px rgba(22,163,74,.18);
  transition: transform .12s ease, box-shadow .2s ease, filter .2s ease;
  cursor: pointer;
}
.btn:hover{ transform: translateY(-1px); filter: brightness(1.02); }
.btn:active{ transform: translateY(0); box-shadow: 0 6px 16px rgba(22,163,74,.16); }
.btn-secondary{
  --btn-bg: var(--accent);
  box-shadow: 0 8px 22px rgba(59,130,246,.18);
}
.btn-like{
  --btn-bg: var(--brand-2);
  --btn-fg: #063814;
  display: inline-flex; gap: .5rem; align-items: center;
  padding: .55rem .9rem; border-radius: 999px; border: 1px solid color-mix(in oklab, var(--btn-bg), black 25%);
  background: linear-gradient(180deg, color-mix(in oklab, var(--btn-bg), white 10%), var(--btn-bg));
  color: var(--btn-fg);
}

/* Controls */
.gallery-controls{
  max-width: 1200px; margin: 1rem auto 1.2rem;
  background: linear-gradient(180deg, #ffffff, var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .9rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .8rem;
  box-shadow: var(--shadow);
}
.gallery-controls .filters, .gallery-controls .search{
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
}
.gallery-controls label{ color: var(--text-dim); font-size: .9rem; }
.gallery-controls select, .gallery-controls input[type="search"]{
  background: #ffffff; color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px; padding: .55rem .7rem; min-width: 180px;
  outline: none;
}
.gallery-controls input[type="search"]{ flex: 1; min-width: 220px; }

/* Grid */
.gallery-grid{
  max-width: 1200px; margin: 0 auto 3rem;
  display: grid;
  grid-template-columns: repeat( auto-fill, minmax(220px, 1fr) );
  gap: 14px;
}
.tile{
  background: linear-gradient(180deg, #ffffff, var(--panel-2));
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
}
.tile:hover{
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--accent), white 20%);
  box-shadow: 0 16px 38px rgba(2,6,23,.10);
}
.tile .tile-link{ display: block; aspect-ratio: 1 / 1; overflow: hidden; background: var(--bg-soft); }
.tile img{ width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform .5s ease; }
.tile:hover img{ transform: scale(1.03); }

.tile .meta{
  padding: .75rem .85rem; display: grid; gap: .35rem;
}
.meta-primary{
  display: flex; gap: .5rem; align-items: baseline; flex-wrap: wrap;
}
.meta-primary .model{
  font-weight: 700; color: #1e3a8a; background: rgba(59,130,246,.08);
  padding: .2rem .5rem; border: 1px solid rgba(59,130,246,.25); border-radius: 999px;
}
.meta-primary .title{
  color: var(--text); opacity: .95;
}
.meta-secondary{
  display: flex; align-items: center; justify-content: space-between; gap: .6rem;
  color: var(--text-dim); font-size: .92rem;
}
.meta-secondary .stats{
  display: inline-flex; gap: .65rem; align-items: center;
}

/* Lightbox */
.lightbox[hidden]{ display: none; }
.lightbox{
  position: fixed; inset: 0; z-index: 100;
}
.lightbox-backdrop{
  position: absolute; inset: 0;
  background: rgba(2,6,23,.55);
  backdrop-filter: blur(4px);
}
.lightbox-dialog{
  position: relative; z-index: 101;
  max-width: min(96vw, 1100px);
  margin: 5vh auto;
  background: linear-gradient(180deg, #ffffff, var(--panel-2));
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(2,6,23,.18);
}
.lightbox-close{
  position: absolute; right: .5rem; top: .5rem;
  width: 40px; height: 40px; border-radius: 999px;
  border: 1px solid var(--border); background: #ffffff; color: var(--text);
  cursor: pointer;
}
.lightbox-body{
  display: grid; place-items: center; background: #000000;
}
#lightbox-image{
  width: 100%; height: auto; max-height: 72vh; object-fit: contain;
  background: #000;
}
.lightbox-meta{
  padding: .9rem 1rem 1.2rem; display: grid; gap: .45rem;
  border-top: 1px solid var(--border);
}
.lightbox-meta strong{ color: #0f172a; }
.lb-stats{ margin-top: .4rem; display: flex; align-items: center; gap: .8rem; }

/* Upload */
.upload-wrapper{ max-width: 900px; margin: 0 auto 3rem; }
.upload-form{
  background: linear-gradient(180deg, #ffffff, var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  display: grid; gap: 1rem;
}
.field label{ display: block; margin-bottom: .35rem; color: var(--text-dim); }
.field .req{ color: var(--warn); }
.field input[type="text"],
.field input[type="file"],
.field textarea{
  width: 100%;
  background: #ffffff; color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: .6rem .7rem; outline: none;
}
.dropzone{
  position: relative;
  border: 1px dashed color-mix(in oklab, var(--accent), white 5%);
  background: repeating-linear-gradient(135deg, rgba(59,130,246,.06), rgba(59,130,246,.06) 10px, rgba(148,163,184,.08) 10px, rgba(148,163,184,.08) 20px);
  padding: 1rem; border-radius: 14px; text-align: center; color: var(--text-dim);
}
.dropzone input[type="file"]{
  position: absolute; inset: 0; opacity: 0; cursor: pointer;
}
.actions{ display: flex; gap: .6rem; }

/* Alerts */
.alert{
  border-radius: 12px; padding: .8rem .9rem; border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin-bottom: .9rem;
}
.alert-success{ background: rgba(16,185,129,.10); border-color: rgba(16,185,129,.25); }
.alert-error{ background: rgba(239,68,68,.10); border-color: rgba(239,68,68,.25); }

/* Admin */
.admin-wrapper{
  max-width: 1000px; margin: 0 auto 3rem;
  background: linear-gradient(180deg, #ffffff, var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem; box-shadow: var(--shadow);
}
.admin-wrapper a.btn{ margin-top: .5rem; }

/* Utilities & Media */
code{ background: rgba(2,6,23,.06); padding: .1rem .35rem; border-radius: 6px; border: 1px solid rgba(2,6,23,.10); }
ul{ margin: .5rem 0 0 1.1rem; color: var(--text-dim); }
@media (max-width: 720px){
  .gallery-controls{ grid-template-columns: 1fr; }
  .meta-secondary{ flex-direction: column; align-items: flex-start; gap: .3rem; }
  .lightbox-dialog{ margin: 2vh auto; }
}

/* Fokus & Accessiblity */
:focus-visible{
  outline: 2px solid color-mix(in oklab, var(--accent), white 20%);
  outline-offset: 2px;
  border-radius: 10px;
}

/* Kleine Glows für hübsche Akzente */
.tile:hover .model{
  box-shadow: 0 0 0 1px rgba(59,130,246,.25), 0 0 0 6px rgba(59,130,246,.08);
}
.btn-like:hover{
  box-shadow: 0 10px 24px rgba(34,197,94,.22);
}