/* assets/css/ui.css */
:root{
  --bg: #0b1220;
  --surface: rgba(255,255,255,.06);
  --surface2: rgba(255,255,255,.10);
  --border: rgba(255,255,255,.12);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);

  --primary: #6ea8fe;
  --primary2: #3b82f6;
  --success: #34d399;
  --danger: #fb7185;
  --warning: #fbbf24;

  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --shadow2: 0 10px 28px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(59,130,246,.20), transparent 55%),
    radial-gradient(900px 600px at 80% 20%, rgba(110,168,254,.15), transparent 55%),
    radial-gradient(800px 600px at 60% 90%, rgba(52,211,153,.08), transparent 60%),
    var(--bg);
}

a{ color: inherit; text-decoration:none; }
a:hover{ text-decoration: underline; }

/* Layout */
.container{
  width: min(1100px, calc(100% - 40px));
  margin: 24px auto;
}
.topbar{
  position: sticky; top:0; z-index:10;
  backdrop-filter: blur(14px);
  background: rgba(11,18,32,.72);
  border-bottom: 1px solid var(--border);
}
.topbar-inner{
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap: 12px;
}
.brand{
  display:flex; gap:10px; align-items:center;
  font-weight:800; letter-spacing:.2px;
}
.brand-badge{
  width: 36px; height:36px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(110,168,254,.9), rgba(59,130,246,.55));
  box-shadow: var(--shadow2);
}
.brand-meta{ display:flex; flex-direction:column; line-height:1.15; }
.brand-meta small{ color: var(--muted); font-weight:700; letter-spacing:.2px; }

.nav{
  display:flex; gap:8px; flex-wrap:wrap; align-items:center;
}
.nav a{
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--muted);
  background: transparent;
}
.nav a:hover{
  color: var(--text);
  background: var(--surface);
  border-color: var(--border);
  text-decoration:none;
}
.nav a.active{
  color: var(--text);
  background: var(--surface2);
  border-color: var(--border);
}

/* Cards */
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow2);
}
.card-header{ padding: 16px 16px 0 16px; }
.card-body{ padding: 16px; }
.card-title{ margin:0; font-size: 18px; font-weight: 800; }
.card-subtitle{ margin: 6px 0 0 0; color: var(--muted); font-size: 13px; }

.grid{ display:grid; gap: 14px; }
.grid-2{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3{ grid-template-columns: repeat(3, minmax(0,1fr)); }
@media (max-width: 840px){ .grid-2, .grid-3{ grid-template-columns: 1fr; } }

/* Buttons */
.btn{
  appearance:none;
  border:1px solid transparent;
  border-radius: 14px;
  padding: 10px 14px;
  font-weight: 750;
  letter-spacing:.2px;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition: transform .08s ease, background .15s ease, border-color .15s ease, opacity .15s ease, filter .15s ease;
  user-select:none;
  white-space:nowrap;
}
.btn:active{ transform: translateY(1px); }
.btn:disabled{ opacity:.6; cursor:not-allowed; }

.btn-primary{
  background: linear-gradient(135deg, rgba(110,168,254,.95), rgba(59,130,246,.70));
  border-color: rgba(110,168,254,.40);
  color: #06101f;
}
.btn-primary:hover{ filter: brightness(1.04); text-decoration:none; }

.btn-outline{
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover{ background: var(--surface2); text-decoration:none; }

.btn-success{
  background: linear-gradient(135deg, rgba(52,211,153,.92), rgba(16,185,129,.65));
  border-color: rgba(52,211,153,.35);
  color:#062016;
}
.btn-danger{
  background: linear-gradient(135deg, rgba(251,113,133,.95), rgba(244,63,94,.70));
  border-color: rgba(251,113,133,.35);
  color:#24030a;
}
.btn-sm{ padding: 8px 10px; border-radius: 12px; font-weight: 700; }
.btn-lg{ padding: 14px 16px; border-radius: 16px; font-size: 16px; }

/* Forms */
.input, select, textarea{
  width:100%;
  background: rgba(255,255,255,.06);
  border:1px solid var(--border);
  color: var(--text);
  border-radius: 14px;
  padding: 11px 12px;
  outline:none;
}
.input:focus, select:focus, textarea:focus{
  border-color: rgba(110,168,254,.6);
  box-shadow: 0 0 0 4px rgba(110,168,254,.15);
}
.label{ display:block; font-size: 13px; color: var(--muted); margin: 0 0 6px 2px; font-weight:700; }
.form-row{ display:grid; gap:12px; grid-template-columns: 1fr 1fr; }
@media (max-width: 840px){ .form-row{ grid-template-columns:1fr; } }

/* Table */
.table-wrap{
  overflow:auto;
  border-radius: var(--radius);
  border:1px solid var(--border);
}
table{
  width:100%;
  border-collapse: collapse;
  min-width: 760px;
  background: rgba(255,255,255,.03);
}
th, td{
  padding: 12px 12px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  text-align:left;
  font-size: 14px;
}
th{
  position: sticky; top:0;
  background: rgba(11,18,32,.9);
  color: rgba(255,255,255,.78);
  font-weight: 800;
}
tr:hover td{ background: rgba(255,255,255,.04); }

/* Badges */
.badge{
  display:inline-flex; align-items:center; gap:6px;
  padding: 6px 10px;
  border-radius: 999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
  font-size: 12px;
  color: var(--muted);
  font-weight:750;
}
.badge-success{ border-color: rgba(52,211,153,.35); color: rgba(52,211,153,.95); background: rgba(52,211,153,.10); }
.badge-danger{ border-color: rgba(251,113,133,.35); color: rgba(251,113,133,.95); background: rgba(251,113,133,.10); }
.badge-warning{ border-color: rgba(251,191,36,.35); color: rgba(251,191,36,.95); background: rgba(251,191,36,.10); }

/* Alerts */
.alert{ border-radius: var(--radius-sm); border: 1px solid var(--border); padding: 12px 14px; background: rgba(255,255,255,.06); }
.alert-success{ border-color: rgba(52,211,153,.35); background: rgba(52,211,153,.10); }
.alert-danger{ border-color: rgba(251,113,133,.35); background: rgba(251,113,133,.10); }
.alert-warning{ border-color: rgba(251,191,36,.35); background: rgba(251,191,36,.10); }

/* Utilities */
.row{ display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.space-between{ justify-content: space-between; }
.m0{ margin:0; }
.mt12{ margin-top:12px; }
.mt16{ margin-top:16px; }
.mt24{ margin-top:24px; }
.small{ font-size: 13px; color: var(--muted); }
.hr{ height:1px; background: rgba(255,255,255,.10); margin: 14px 0; border:0; }

/* Kiosk Mode */
.kiosk{ min-height: 100vh; display:grid; place-items:center; padding: 24px 0; }
.kiosk-card{
  width: min(920px, calc(100% - 40px));
  border-radius: 24px;
  padding: 18px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow);
}
.kiosk-title{ font-size: 28px; margin:0; font-weight: 900; }
.kiosk-sub{ margin: 8px 0 0 0; color: var(--muted); }
.kiosk-input{ font-size: 20px; padding: 16px 14px; border-radius: 18px; }
.kiosk-status{ border-radius: 20px; padding: 14px 14px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.06); }