/* ══════════════════════════════════════════════════════════
   MKU Smart Parking System — Premium Dark Theme
   Machakos University, Kenya
   ══════════════════════════════════════════════════════════ */

/* ─── Variables ─────────────────────────────────────────── */
:root {
  --bg0: #060d1a;
  --bg1: #0b1426;
  --bg2: #101e35;
  --bg3: #162540;
  --bg-card: #0f1c32;
  --bg-card-h: #152033;
  --border: rgba(255,255,255,0.07);
  --border-h: rgba(255,255,255,0.14);

  --green:      #22c55e;
  --green-glow: rgba(34,197,94,0.25);
  --green-bg:   rgba(34,197,94,0.08);
  --green-dim:  rgba(34,197,94,0.4);

  --red:      #ef4444;
  --red-glow: rgba(239,68,68,0.25);
  --red-bg:   rgba(239,68,68,0.08);

  --amber:      #f59e0b;
  --amber-glow: rgba(245,158,11,0.25);
  --amber-bg:   rgba(245,158,11,0.08);

  --blue:      #3b82f6;
  --blue-deep: #1d4ed8;

  --text0: #f1f5f9;
  --text1: #94a3b8;
  --text2: #64748b;

  --font:  'Inter', sans-serif;
  --mono:  'JetBrains Mono', monospace;

  --r:   10px;
  --r-l: 16px;
  --r-x: 20px;
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg0);
  color: var(--text0);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

/* ─── Background ─────────────────────────────────────────── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}
.bg-glow-top {
  position: fixed; top: -300px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 500px; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse, rgba(29,78,216,0.18) 0%, transparent 70%);
}
.bg-glow-bottom {
  position: fixed; bottom: -300px; right: -100px;
  width: 600px; height: 500px; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse, rgba(34,197,94,0.07) 0%, transparent 70%);
}
header, .stats-section, .content-grid, .modal-backdrop, .toast {
  position: relative; z-index: 1;
}

/* ─── Header ─────────────────────────────────────────────── */
.header {
  background: rgba(6,13,26,0.85);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  max-width: 1440px; margin: 0 auto; padding: 0 28px;
  height: 66px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}

/* Brand */
.header-brand { display: flex; align-items: center; gap: 14px; }
.logo-box svg { width: 44px; height: 44px; display: block; }
.brand-text { display: flex; flex-direction: column; gap: 2px; }
.brand-name { font-size: 16px; font-weight: 800; letter-spacing: -0.3px; color: var(--text0); }
.brand-sub  { font-size: 11px; color: var(--text2); font-weight: 400; }

/* Live pill */
.live-pill {
  display: flex; align-items: center; gap: 7px;
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.3);
  color: var(--green);
  padding: 5px 14px; border-radius: 999px;
  font-size: 11px; font-weight: 800; letter-spacing: 1.5px;
}
.live-dot {
  width: 7px; height: 7px; background: var(--green); border-radius: 50%;
  animation: blink 1.4s ease-in-out infinite;
}
@keyframes blink {
  0%,100% { opacity:1; box-shadow: 0 0 6px var(--green); }
  50%      { opacity:.4; box-shadow: none; }
}

/* Clock */
.header-right { display: flex; align-items: center; gap: 12px; }
.date-box  { font-size: 12px; color: var(--text2); font-weight: 500; }
.clock-box { font-family: var(--mono); font-size: 15px; font-weight: 600; color: var(--text1); }

/* ─── Stats Bar ──────────────────────────────────────────── */
.stats-section { padding: 20px 28px; max-width: 1440px; margin: 0 auto; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-l);
  padding: 22px 20px;
  display: flex; align-items: center; gap: 18px;
  position: relative; overflow: hidden;
  transition: border-color .25s, background .25s;
}
.stat-card:hover { border-color: var(--border-h); background: var(--bg-card-h); }

.stat-icon-wrap {
  width: 52px; height: 52px; border-radius: 12px;
  background: rgba(255,255,255,0.05);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.stat-emoji { font-size: 26px; }

.stat-body { flex: 1; }
.stat-num {
  font-size: 36px; font-weight: 900; font-family: var(--mono);
  line-height: 1; transition: color .3s;
}
.stat-lbl {
  font-size: 12px; color: var(--text2); font-weight: 600;
  text-transform: uppercase; letter-spacing: .7px; margin-top: 4px;
}

.stat-ring {
  position: absolute; right: -20px; top: -20px;
  width: 80px; height: 80px; border-radius: 50%;
  opacity: .15;
}
.ring-neutral { background: var(--blue); }
.ring-green   { background: var(--green); }
.ring-red     { background: var(--red); }
.ring-amber   { background: var(--amber); }

/* Coloured left edge */
.stat-empty    { border-left: 3px solid var(--green); }
.stat-occupied { border-left: 3px solid var(--red); }
.stat-reserved { border-left: 3px solid var(--amber); }

.green { color: var(--green) !important; }
.red   { color: var(--red)   !important; }
.amber { color: var(--amber) !important; }

/* ─── Content Grid ───────────────────────────────────────── */
.content-grid {
  max-width: 1440px; margin: 0 auto; padding: 0 28px 48px;
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 22px;
}

/* ─── Map Panel ──────────────────────────────────────────── */
.map-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-x);
  overflow: hidden;
}
.panel-head {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.panel-title-row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.panel-title { font-size: 18px; font-weight: 800; letter-spacing: -.3px; }

.legend-row { display: flex; gap: 18px; }
.legend-chip {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text1); font-weight: 500;
}
.chip-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.green-dot { background: var(--green); }
.red-dot   { background: var(--red); }
.amber-dot { background: var(--amber); }

.map-body { padding: 24px; display: flex; flex-direction: column; gap: 0; }

/* Entrance */
.entrance-bar {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  padding: 10px; margin-bottom: 20px;
  background: rgba(59,130,246,0.07);
  border: 1px dashed rgba(59,130,246,0.3);
  border-radius: 8px;
}
.entrance-arrow { color: var(--blue); font-size: 14px; animation: bounce-up 1.5s ease-in-out infinite; }
@keyframes bounce-up { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-4px)} }
.entrance-label { font-size: 12px; font-weight: 700; letter-spacing: 2px; color: #60a5fa; }

/* Zone block */
.zone-block { margin-bottom: 8px; }
.zone-header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.zone-tag {
  padding: 4px 14px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: .5px;
}
.tag-a { background: rgba(59,130,246,0.18); color: #60a5fa; border: 1px solid rgba(59,130,246,0.3); }
.tag-b { background: rgba(168,85,247,0.18); color: #c084fc; border: 1px solid rgba(168,85,247,0.3); }
.tag-c { background: rgba(20,184,166,0.18); color: #2dd4bf; border: 1px solid rgba(20,184,166,0.3); }

.zone-desc { font-size: 12px; color: var(--text2); }
.zone-count {
  margin-left: auto; font-size: 12px; color: var(--text2);
  font-family: var(--mono); font-weight: 600;
}

/* Slots row */
.slots-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
  gap: 10px;
}

/* ─── Single Slot ────────────────────────────────────────── */
.slot {
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: var(--r);
  padding: 14px 10px 12px;
  text-align: center;
  cursor: pointer;
  transition: all .22s ease;
  user-select: none;
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.slot-num  { font-family: var(--mono); font-size: 13px; font-weight: 700; }
.slot-icon { font-size: 22px; display: block; line-height: 1; }
.slot-lbl  { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; }

/* Empty */
.slot.empty {
  background: var(--green-bg);
  border-color: var(--green-dim);
}
.slot.empty .slot-num { color: var(--green); }
.slot.empty .slot-lbl { color: var(--green); }
.slot.empty:hover {
  border-color: var(--green);
  background: rgba(34,197,94,0.15);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 24px var(--green-glow);
}
.slot.empty:active { transform: translateY(-1px) scale(1.01); }

/* Occupied */
.slot.occupied {
  background: var(--red-bg);
  border-color: rgba(239,68,68,0.35);
  cursor: not-allowed;
}
.slot.occupied .slot-num { color: var(--red); }
.slot.occupied .slot-lbl { color: var(--red); }

/* Reserved */
.slot.reserved {
  background: var(--amber-bg);
  border-color: rgba(245,158,11,0.35);
  cursor: not-allowed;
  animation: slot-pulse 2.2s ease-in-out infinite;
}
.slot.reserved .slot-num { color: var(--amber); }
.slot.reserved .slot-lbl { color: var(--amber); }

@keyframes slot-pulse {
  0%,100% { border-color: rgba(245,158,11,.35); box-shadow: none; }
  50%      { border-color: rgba(245,158,11,.7); box-shadow: 0 0 14px rgba(245,158,11,.2); }
}

/* ─── Road Strip ─────────────────────────────────────────── */
.road-strip {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 0; margin: 4px 0;
  border-top:    1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.road-dashes {
  flex: 1; height: 3px;
  background: repeating-linear-gradient(
    90deg, var(--amber) 0, var(--amber) 16px, transparent 16px, transparent 32px
  );
  opacity: .25;
  border-radius: 2px;
}
.road-label {
  font-size: 10px; font-weight: 700; letter-spacing: 2.5px; color: var(--text2);
  white-space: nowrap;
}

/* ─── Sidebar ────────────────────────────────────────────── */
.sidebar { display: flex; flex-direction: column; gap: 16px; }

.side-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-l);
  overflow: hidden;
}
.side-card-head {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
}
.side-head-icon  { font-size: 16px; }
.side-head-title { font-size: 14px; font-weight: 700; flex: 1; }

/* CCTV thumbnails */
.cctv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 14px; }
.cctv-screen {
  height: 75px; border-radius: 8px; position: relative;
  overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end;
}
/* different noise patterns per camera */
.cam1 { background: linear-gradient(145deg,#0d1e38 0%,#091629 100%); }
.cam2 { background: linear-gradient(145deg,#0e2030 0%,#081520 100%); }
.cam3 { background: linear-gradient(145deg,#0a1e2c 0%,#06111a 100%); }
.cam4 { background: linear-gradient(145deg,#0d1a30 0%,#090f1e 100%); }

/* Subtle scan line effect */
.cctv-screen::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg,
    transparent 0, transparent 3px,
    rgba(0,0,0,0.12) 3px, rgba(0,0,0,0.12) 4px
  );
  pointer-events: none;
}
/* Simulated "scene" glow */
.cctv-screen::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(59,130,246,0.12) 0%, transparent 60%),
    radial-gradient(circle at 70% 30%, rgba(34,197,94,0.07) 0%, transparent 50%);
  animation: cam-flicker 4s ease-in-out infinite;
}
@keyframes cam-flicker {
  0%,100%{opacity:1} 92%{opacity:1} 93%{opacity:.6} 94%{opacity:1}
}

.cam-label {
  position: relative; z-index: 1;
  font-size: 8px; font-weight: 600; color: rgba(255,255,255,0.6);
  padding: 3px 6px; background: rgba(0,0,0,0.55);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cam-live {
  position: absolute; top: 5px; right: 6px; z-index: 1;
  font-size: 8px; font-weight: 800; color: var(--green);
  letter-spacing: 1px; animation: blink 1.4s infinite;
}

/* Activity feed */
.activity-refresh {
  margin-left: auto; width: 26px; height: 26px; border-radius: 6px;
  background: rgba(255,255,255,0.06); display: flex; align-items: center;
  justify-content: center; cursor: pointer; font-size: 14px; color: var(--text2);
  transition: all .2s;
}
.activity-refresh:hover { background: rgba(255,255,255,0.12); color: var(--text0); }

.activity-feed {
  padding: 10px; max-height: 230px; overflow-y: auto;
}
.activity-item {
  display: flex; align-items: flex-start; gap: 9px;
  padding: 8px 6px; border-radius: 8px; margin-bottom: 3px;
  transition: background .2s; font-size: 12px;
}
.activity-item:hover { background: rgba(255,255,255,0.04); }
.act-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-top: 4px;
}
.act-dot.reserved { background: var(--amber); }
.act-dot.arrived  { background: var(--green); }
.act-dot.departed { background: var(--text2); }
.act-dot.expired  { background: var(--red); }
.act-dot.released_admin { background: var(--blue); }

.act-text { flex: 1; color: var(--text1); line-height: 1.4; }
.act-text strong { color: var(--text0); font-weight: 600; }
.act-time { font-family: var(--mono); font-size: 10px; color: var(--text2); flex-shrink: 0; margin-top: 2px; }
.activity-empty { text-align: center; color: var(--text2); font-size: 12px; padding: 24px 0; }

/* Admin link card */
.admin-link-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-l);
  padding: 16px 18px;
  display: flex; align-items: center; justify-content: space-between;
  text-decoration: none; color: inherit;
  transition: all .2s;
}
.admin-link-card:hover {
  border-color: var(--border-h); background: var(--bg-card-h);
  transform: translateX(2px);
}
.admin-link-left { display: flex; align-items: center; gap: 12px; }
.admin-link-icon { font-size: 20px; }
.admin-link-title { font-size: 14px; font-weight: 700; color: var(--text0); }
.admin-link-sub   { font-size: 11px; color: var(--text2); margin-top: 2px; }
.admin-link-arrow { font-size: 22px; color: var(--text2); }

/* ─── Modal ──────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }

.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border-h);
  border-radius: 22px;
  width: 100%; max-width: 430px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
  transform: translateY(16px) scale(.97);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}
.modal-backdrop.open .modal-box { transform: translateY(0) scale(1); }

.modal-top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-slot-tag {
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.35);
  color: var(--green);
  font-family: var(--mono); font-size: 20px; font-weight: 700;
  padding: 6px 18px; border-radius: 10px;
}
.modal-x {
  background: rgba(255,255,255,0.08); border: none;
  color: var(--text1); width: 34px; height: 34px;
  border-radius: 8px; cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.modal-x:hover { background: rgba(255,255,255,0.14); color: var(--text0); }

.modal-content { padding: 24px; }
.modal-title { font-size: 22px; font-weight: 800; letter-spacing: -.4px; margin-bottom: 6px; }
.modal-sub { font-size: 13px; color: var(--text1); margin-bottom: 18px; }
.green-text { color: var(--green); }

.modal-location-chip {
  display: flex; align-items: center; gap: 8px;
  background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.22);
  border-radius: 10px; padding: 10px 14px; margin-bottom: 22px;
  font-size: 13px; font-weight: 600; color: #60a5fa;
}

/* Form */
.field-group { margin-bottom: 18px; }
.field-label { display: block; font-size: 12px; font-weight: 700; color: var(--text1); margin-bottom: 8px; letter-spacing: .3px; }
.field-input {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--text0);
  font-family: var(--font); font-size: 14px;
  outline: none; transition: all .2s;
}
.field-input::placeholder { color: var(--text2); }
.field-input:focus {
  border-color: var(--blue);
  background: rgba(59,130,246,0.07);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.18);
}
.field-hint { display: block; font-size: 11px; color: var(--text2); margin-top: 6px; }

.timer-pill {
  display: flex; align-items: center; gap: 8px;
  background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.22);
  border-radius: 10px; padding: 10px 14px; margin-bottom: 22px;
  font-size: 13px; color: var(--amber);
}

.btn-confirm {
  width: 100%;
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #3b82f6 100%);
  border: none; border-radius: 11px;
  padding: 15px; color: #fff;
  font-family: var(--font); font-size: 15px; font-weight: 800;
  cursor: pointer; letter-spacing: .2px;
  box-shadow: 0 4px 20px rgba(37,99,235,.45);
  transition: all .25s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-confirm:hover { filter: brightness(1.15); transform: translateY(-1px); box-shadow: 0 8px 30px rgba(37,99,235,.5); }
.btn-confirm:active { transform: translateY(0); }
.btn-confirm:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.btn-spinner { animation: spin .7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Toast ──────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 28px; right: 28px; z-index: 300;
  background: var(--bg2); border: 1px solid var(--border-h);
  border-radius: var(--r); padding: 14px 20px;
  font-size: 14px; font-weight: 500; max-width: 340px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  transform: translateX(130%); transition: transform .4s cubic-bezier(.175,.885,.32,1.275);
}
.toast.visible { transform: translateX(0); }
.toast.ok  { border-left: 4px solid var(--green); }
.toast.err { border-left: 4px solid var(--red); }

/* ─── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 2px; }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1100px) {
  .content-grid { grid-template-columns: 1fr; }
  .sidebar { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); }
}
@media (max-width: 700px) {
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 10px; }
  .stats-section, .content-grid { padding-left: 16px; padding-right: 16px; }
  .stat-num { font-size: 28px; }
  .header-inner { padding: 0 16px; }
  .slots-row { grid-template-columns: repeat(auto-fill,minmax(80px,1fr)); gap: 8px; }
  .legend-row { display: none; }
}