/* ===========================
   Reset & Base
   =========================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

:root{
  --blur: 14px;
  --glass-bg: rgba(17,25,40,0.55);
  --glass-stroke: rgba(255,255,255,0.18);
  --text-strong: #e8f0ff;
  --text-muted: #b5c0d0;
  --accent: #86a8ff;
  --danger: #ff6b6b;
  --success: #34d399;
}

body{
  min-height: 100vh;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text-strong);
  line-height: 1.55;
  background:
    linear-gradient(180deg, rgba(5,10,20,.7), rgba(10,16,28,.55)),
    #0b1220 url('assets/bg-glass.png') center/cover no-repeat fixed;
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }

/* ===========================
   Layout
   =========================== */
.page-container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px;
}

.glass-card{
  background: var(--glass-bg);
  backdrop-filter: saturate(140%) blur(var(--blur));
  -webkit-backdrop-filter: saturate(140%) blur(var(--blur));
  border: 1px solid var(--glass-stroke);
  border-radius: 20px;
  box-shadow: 0 12px 32px rgba(0,0,0,.35);
}

/* ===========================
   Header / KPIs
   =========================== */
.stats-bar{
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 24px 28px; margin-bottom: 20px;
}
.page-title{ font-size: 28px; font-weight: 800; color: #f5f9ff; }
.stats-grid{
  display: grid; grid-template-columns: repeat(2, minmax(160px,1fr)); gap: 14px;
}
.stat{
  padding: 12px 14px; border-radius: 14px;
  border: 1px dashed var(--glass-stroke);
}
.stat-label{
  font-size: 12px; text-transform: uppercase; letter-spacing:.08em;
  color: var(--text-muted); margin-bottom: 6px;
}
.stat-value{ font-size: 22px; font-weight: 800; color: #f5f9ff; }

/* ===========================
   Buttons / Chips
   =========================== */
.quick-filters{ display:flex; align-items:center; gap:10px; flex-wrap: wrap; }

.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 14px; border-radius: 999px; cursor: pointer;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  color: #f5f9ff; font-weight: 600;
  transition: transform .12s ease, background .12s ease, box-shadow .12s ease;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.22); }
.btn:focus{ outline: 2px solid var(--accent); outline-offset: 2px; }
.btn.chip{ font-size: 14px; padding: 8px 12px; }

.btn--primary{ background: rgba(134,168,255,.2); border-color: rgba(134,168,255,.45); }
.btn--primary:hover{ background: rgba(134,168,255,.3); }

.btn--danger{ background: rgba(255,70,70,.18); border-color: rgba(255,70,70,.38); }
.btn--danger:hover{ background: rgba(255,70,70,.28); }

/* ===========================
   Forms & Dropdowns
   =========================== */
.sale-form label, .filter-form label{
  display:block; font-size:14px; font-weight:700; margin-bottom: 6px;
  color:#f1f5ff;
}
.sale-form input, .sale-form select,
.filter-form input, .filter-form select{
  width: 100%; padding: 10px 12px; border-radius: 10px;
  color:#eaf2ff;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.22);
  margin-bottom: 12px;
  appearance: none;
}
.sale-form input::placeholder, .filter-form input::placeholder{ color:#9fb0c6; }
.sale-form input:focus, .sale-form select:focus,
.filter-form input:focus, .filter-form select:focus{
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(134,168,255,.25);
}

/* Dark dropdown styles */
select {
  background-color: rgba(20, 25, 35, 0.85);
  color: #f5f5f5;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
option {
  background-color: rgba(20, 25, 35, 0.95);
  color: #f5f5f5;
}
option:hover, option:focus {
  background-color: rgba(40, 45, 60, 0.95);
}

/* ===========================
   Tables
   =========================== */
table{ width:100%; border-collapse: collapse; }
table thead th{
  position: sticky; top: 0; z-index: 2;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #f0f6ff;
}
table td, table th{
  padding: 12px 10px;
  border-bottom: 1px solid rgba(255,255,255,.18);
  text-align: left;
}
tbody tr:hover{ background: rgba(255,255,255,.05); }

/* Scrollbar */
::-webkit-scrollbar{ height: 10px; width:10px; }
::-webkit-scrollbar-thumb{ background: rgba(255,255,255,.2); border-radius: 10px; }
::-webkit-scrollbar-track{ background: transparent; }

/* ===========================
   Messages
   =========================== */
.success{ color: var(--success); font-weight: 700; margin-bottom: 12px; }
.error{ color: var(--danger); font-weight: 700; margin-bottom: 12px; }

/* ===========================
   Utilities
   =========================== */
.hidden{ display:none!important; }
.m-0{ margin:0!important; } .mb-8{ margin-bottom:8px!important; } .mb-12{ margin-bottom:12px!important; }
.mb-16{ margin-bottom:16px!important; } .mb-20{ margin-bottom:20px!important; }

/* ===========================
   Mobile tweaks
   =========================== */
@media (max-width: 640px){
  .stats-bar{ flex-direction: column; align-items: stretch; }
  .stats-grid{ grid-template-columns: 1fr; }
  .quick-filters{ justify-content: flex-start; }
}

/* ===========================
   Fallback: kein Bild vorhanden
   =========================== */
body.no-bg{
  background:
    radial-gradient(1200px 600px at 10% -10%, #203060 0%, transparent 60%),
    radial-gradient(1000px 600px at 100% 0%, #3a2e6b 0%, transparent 55%),
    linear-gradient(180deg,#0b1220,#14213d);
}