/* ============================================================
   BAIKA SMART PARKING — Design System v2
   Phong cách: công nghệ hiện đại, nhiều lớp chiều sâu, 2.5D, chuyển động sống động
   Toàn bộ tên class cũ được giữ nguyên để không phá vỡ JS hiện có —
   chỉ nâng cấp phần thị giác và bổ sung lớp hiệu ứng mới.
   ============================================================ */

:root{
  --void:#050912;
  --navy-deep:#071122;
  --navy:#0E1B33;
  --navy-glass: rgba(16,28,54,0.62);
  --panel-border: rgba(111,197,255,0.16);
  --panel-border-strong: rgba(79,224,255,0.42);
  --cyan:#4FE0FF;
  --cyan-soft:#8FEFFF;
  --teal:#1FD8B0;
  --violet:#8B7CF6;
  --amber:#FFC46B;
  --coral:#FF6B7A;
  --text-primary:#EAF6FF;
  --text-secondary:#9FB4CE;
  --text-muted:#5E7290;
  --line: rgba(148,190,230,0.14);
  --line-strong: rgba(148,190,230,0.26);
  --success: var(--teal);
  --success-bg: rgba(31,216,176,0.12);
  --warn: var(--amber);
  --warn-bg: rgba(255,196,107,0.12);
  --danger: var(--coral);
  --danger-bg: rgba(255,107,122,0.12);
  --radius: 14px;
  --radius-sm: 9px;
  --font-body: 'Liberation Sans','DejaVu Sans',sans-serif;
  --font-mono: 'Liberation Mono','DejaVu Sans Mono',monospace;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: var(--font-body);
  background: var(--void);
  color: var(--text-primary);
  line-height:1.55;
  font-size:14px;
  min-height:100vh;
  position:relative;
  overflow-x:hidden;
}
a{ color: var(--cyan); text-decoration:none; }
::selection{ background: rgba(79,224,255,0.3); color:#fff; }

/* ================= LỚP NỀN CÓ CHIỀU SÂU (background layers) ================= */
.bg-fx{ position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.bg-fx .layer-gradient{
  position:absolute; inset:-10%;
  background:
    radial-gradient(60% 50% at 15% 8%, rgba(79,224,255,0.10) 0%, rgba(79,224,255,0) 60%),
    radial-gradient(50% 45% at 90% 15%, rgba(139,124,246,0.10) 0%, rgba(139,124,246,0) 60%),
    radial-gradient(70% 60% at 50% 105%, rgba(31,216,176,0.09) 0%, rgba(31,216,176,0) 60%),
    linear-gradient(180deg, var(--void) 0%, var(--navy-deep) 45%, var(--void) 100%);
  animation: driftGradient 26s ease-in-out infinite alternate;
}
.bg-fx .layer-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(111,197,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111,197,255,0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 65% at 50% 20%, #000 40%, transparent 100%);
  animation: gridPan 40s linear infinite;
}
.bg-fx .layer-glow{
  position:absolute; width:46vw; height:46vw; max-width:640px; max-height:640px;
  border-radius:50%; top:-14vw; right:-10vw;
  background: radial-gradient(circle, rgba(79,224,255,0.16) 0%, transparent 70%);
  filter: blur(10px);
  animation: floatGlow 18s ease-in-out infinite;
}
@keyframes driftGradient{ 0%{ transform: translate3d(0,0,0) scale(1); } 100%{ transform: translate3d(-1.5%, 1.5%, 0) scale(1.04); } }
@keyframes gridPan{ 0%{ background-position: 0 0, 0 0; } 100%{ background-position: 84px 168px, 84px 168px; } }
@keyframes floatGlow{ 0%,100%{ transform: translate3d(0,0,0); } 50%{ transform: translate3d(-3%, 4%, 0); } }
@media (prefers-reduced-motion: reduce){
  .bg-fx .layer-gradient, .bg-fx .layer-grid, .bg-fx .layer-glow{ animation:none; }
}

/* ================= TOPBAR (kính mờ, viền phát sáng) ================= */
.topbar{
  position:sticky; top:0; z-index:20;
  background: rgba(7,14,26,0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom:1px solid var(--panel-border);
  box-shadow: 0 1px 0 rgba(79,224,255,0.08), 0 12px 30px -18px rgba(0,0,0,0.6);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 24px; height:60px;
}
.topbar .brand{ display:flex; align-items:center; gap:10px; font-weight:700; font-size:15px; letter-spacing:1.6px; color:#fff; }
.topbar .brand img{ height:28px; filter: drop-shadow(0 0 8px rgba(79,224,255,0.55)); }
.topbar nav{ display:flex; align-items:center; gap:20px; }
.topbar nav a{ color:var(--text-secondary); font-size:12.5px; font-weight:600; letter-spacing:0.2px; position:relative; padding:6px 2px; transition: color .2s ease; }
.topbar nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-2px; height:2px; border-radius:2px;
  background: linear-gradient(90deg, var(--cyan), var(--teal));
  transition: right .25s ease; box-shadow: 0 0 8px rgba(79,224,255,0.7);
}
.topbar nav a:hover{ color:#fff; }
.topbar nav a:hover::after, .topbar nav a.active::after{ right:0; }
.topbar nav a.active{ color:#fff; }

/* ================= LAYOUT ================= */
.wrap{ position:relative; z-index:1; max-width:980px; margin:0 auto; padding:32px 20px 70px; }
h1{ font-size:22px; font-weight:700; color:#fff; margin:0 0 6px; letter-spacing:0.2px; }
h2{ font-size:15px; font-weight:700; color:#fff; margin:0 0 10px; letter-spacing:0.3px; }
.subtitle{ color:var(--text-secondary); font-size:13px; margin:0 0 22px; max-width:640px; }

/* ================= THẺ (glass card, viền phát sáng, nổi khối 2.5D) ================= */
.card{
  position:relative;
  background: linear-gradient(180deg, rgba(22,38,68,0.6), rgba(12,22,42,0.55));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border:1px solid var(--panel-border);
  border-radius: var(--radius);
  padding:18px 20px;
  margin-bottom:16px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 18px 40px -22px rgba(0,0,0,0.65);
  transform-style: preserve-3d;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease, border-color .35s ease;
  will-change: transform;
}
.card::before{
  content:""; position:absolute; inset:0; border-radius:inherit; padding:1px;
  background: linear-gradient(135deg, rgba(79,224,255,0.35), rgba(139,124,246,0.06) 40%, transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events:none; opacity:.8;
}
.card:hover{
  border-color: var(--panel-border-strong);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset, 0 26px 50px -20px rgba(0,0,0,0.75), 0 0 34px -12px rgba(79,224,255,0.30);
}
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
@media(max-width:720px){ .grid-3,.grid-2{ grid-template-columns:1fr; } }

/* ================= METRIC (số liệu HUD, phát sáng) ================= */
.metric{
  position:relative; background: rgba(15,27,50,0.55); border:1px solid var(--line);
  border-radius: var(--radius-sm); padding:15px 16px; overflow:hidden;
}
.metric::after{ content:""; position:absolute; left:0; right:0; top:0; height:2px; background:linear-gradient(90deg, transparent, var(--cyan), transparent); opacity:.7; }
.metric .label{ font-size:11.5px; color:var(--text-muted); margin-bottom:5px; letter-spacing:.3px; text-transform:uppercase; }
.metric .value{ font-family: var(--font-mono); font-size:23px; font-weight:700; color:#fff; text-shadow: 0 0 18px rgba(79,224,255,0.35); letter-spacing:.3px; }

/* ================= NÚT (glow sweep) ================= */
.btn{
  position:relative; display:inline-block; overflow:hidden;
  background: linear-gradient(180deg, rgba(79,224,255,0.16), rgba(79,224,255,0.05));
  color:#EAF9FF; border:1px solid rgba(79,224,255,0.45);
  border-radius: var(--radius-sm); padding:9px 17px; font-size:13px; font-weight:700; letter-spacing:.2px;
  cursor:pointer; transition: transform .18s ease, box-shadow .25s ease, background .25s ease;
  box-shadow: 0 0 0 rgba(79,224,255,0);
}
.btn::before{
  content:""; position:absolute; top:0; left:-60%; width:50%; height:100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg); transition: left .55s ease;
}
.btn:hover{ transform: translateY(-1px); box-shadow: 0 8px 22px -8px rgba(79,224,255,0.55); background: linear-gradient(180deg, rgba(79,224,255,0.26), rgba(79,224,255,0.08)); }
.btn:hover::before{ left:120%; }
.btn:active{ transform: translateY(0px) scale(.98); }
.btn.outline{ background: rgba(255,255,255,0.02); color: var(--text-secondary); border:1px solid var(--line-strong); }
.btn.outline:hover{ color:#fff; border-color: var(--panel-border-strong); box-shadow: 0 8px 22px -10px rgba(79,224,255,0.35); }
.btn:disabled{ opacity:.45; cursor:not-allowed; transform:none; box-shadow:none; }
.btn.block{ width:100%; text-align:center; }

/* ================= PILL / BADGE (phát sáng nhẹ) ================= */
.pill{ display:inline-block; font-size:11px; font-weight:700; padding:3px 10px; border-radius:20px; letter-spacing:.2px; border:1px solid transparent; }
.pill.success{ background: var(--success-bg); color: var(--success); border-color: rgba(31,216,176,0.35); text-shadow:0 0 10px rgba(31,216,176,0.35); }
.pill.warn{ background: var(--warn-bg); color: var(--warn); border-color: rgba(255,196,107,0.35); }
.pill.danger{ background: var(--danger-bg); color: var(--danger); border-color: rgba(255,107,122,0.35); }
.pill.muted{ background: rgba(148,190,230,0.08); color: var(--text-secondary); border-color: var(--line); }

/* ================= BẢNG ================= */
table{ width:100%; border-collapse:collapse; font-size:13px; }
th{ text-align:left; color:var(--text-muted); font-weight:700; font-size:11px; text-transform:uppercase; letter-spacing:.4px; padding:9px 10px; border-bottom:1px solid var(--line-strong); }
td{ padding:10px; border-bottom:1px solid var(--line); vertical-align:middle; color: var(--text-primary); }
tr:last-child td{ border-bottom:none; }
tr:hover td{ background: rgba(79,224,255,0.035); }

/* ================= Ô ĐỖ (slot grid) — dạng thẻ tech phát sáng theo trạng thái ================= */
.slot-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(58px,1fr)); gap:8px; margin-top:12px; }
.slot{
  position:relative; text-align:center; padding:9px 2px; border-radius:8px; font-size:11px; font-weight:700;
  border:1px solid var(--line); transition: transform .2s ease, box-shadow .2s ease;
}
.slot.trong{ background: var(--success-bg); color: var(--success); border-color: rgba(31,216,176,0.4); cursor:pointer; }
.slot.trong:hover{ transform: translateY(-2px) scale(1.04); box-shadow: 0 10px 20px -10px rgba(31,216,176,0.55); }
.slot.da_dat{ background: var(--warn-bg); color: var(--warn); border-color: rgba(255,196,107,0.35); }
.slot.dang_do{ background: rgba(148,190,230,0.06); color: var(--text-muted); }

/* ================= THANH TIẾN ĐỘ (glow bar) ================= */
.bar-track{ height:8px; background: rgba(148,190,230,0.1); border-radius:5px; overflow:hidden; }
.bar-fill{ height:100%; background: linear-gradient(90deg, var(--teal), var(--cyan)); box-shadow: 0 0 12px rgba(79,224,255,0.55); border-radius:5px; transition: width .5s ease; }

/* ================= TOAST ================= */
.toast{
  position:fixed; bottom:26px; left:50%; transform:translateX(-50%) translateY(8px);
  background: rgba(10,18,34,0.92); color:#fff; padding:11px 20px; border-radius:12px;
  border:1px solid var(--panel-border-strong);
  font-size:13px; opacity:0; transition: opacity .25s ease, transform .25s ease; pointer-events:none; z-index:50;
  box-shadow: 0 20px 40px -16px rgba(0,0,0,0.7), 0 0 24px -8px rgba(79,224,255,0.4);
}
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }

.empty{ color:var(--text-muted); font-size:13px; padding:18px; text-align:center; }
.spinner-text{ color:var(--text-muted); font-size:13px; padding:12px 0; }
.spinner-text::before{ content:"◌ "; }

/* ================= Vệt quét ngang trang trí (2.5D depth accent) ================= */
.wrap > h1{ position:relative; }
.wrap > h1::after{
  content:""; display:block; width:64px; height:3px; margin-top:12px; border-radius:2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet)); box-shadow: 0 0 14px rgba(79,224,255,0.6);
}

/* ================= Fade-in tuần tự khi trang tải (sống động) ================= */
.wrap > *{ animation: fadeSlideIn .55s cubic-bezier(.2,.8,.2,1) both; }
.wrap > *:nth-child(1){ animation-delay: .02s; }
.wrap > *:nth-child(2){ animation-delay: .07s; }
.wrap > *:nth-child(3){ animation-delay: .12s; }
.wrap > *:nth-child(4){ animation-delay: .17s; }
.wrap > *:nth-child(5){ animation-delay: .22s; }
.wrap > *:nth-child(n+6){ animation-delay: .26s; }
@keyframes fadeSlideIn{ from{ opacity:0; transform: translate3d(0,10px,0); } to{ opacity:1; transform:none; } }
@media (prefers-reduced-motion: reduce){ .wrap > *{ animation:none; } }

/* ================= Trạng thái trực tuyến (chấm nhấp nháy) ================= */
.live-dot{ display:inline-block; width:8px; height:8px; border-radius:50%; background: var(--teal); box-shadow:0 0 8px var(--teal); margin-right:6px; animation: pulseDot 1.8s ease-in-out infinite; }
@keyframes pulseDot{ 0%,100%{ opacity:1; transform:scale(1); } 50%{ opacity:.45; transform:scale(1.3); } }

/* Inputs & selects — kính mờ đồng bộ */
input, select, textarea{
  background: rgba(10,18,34,0.5); color: var(--text-primary); border:1px solid var(--line-strong);
  border-radius: var(--radius-sm); font-family: var(--font-body);
}
input:focus, select:focus, textarea:focus{
  outline:none; border-color: var(--panel-border-strong); box-shadow: 0 0 0 3px rgba(79,224,255,0.15);
}
input::placeholder, textarea::placeholder{ color: var(--text-muted); }

/* ============================================================
   BẢN DÀNH CHO DI ĐỘNG — điều hướng đáy, FAB thông minh, bottom sheet
   ============================================================ */

/* Thanh điều hướng đáy — chỉ hiện trên màn hình hẹp, vùng ngón tay cái dễ chạm tới nhất */
.bottom-nav{
  display:none;
  position:fixed; left:0; right:0; bottom:0; z-index:30;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(7,14,26,0.86);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-top:1px solid var(--panel-border);
  box-shadow: 0 -10px 30px -18px rgba(0,0,0,0.7);
}
.bottom-nav-row{ display:flex; align-items:stretch; justify-content:space-around; }
.bottom-nav a{
  flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px;
  padding:9px 2px 8px; color:var(--text-muted); font-size:10.5px; font-weight:700; letter-spacing:.2px;
  min-height:56px; position:relative; transition: color .2s ease;
}
.bottom-nav a svg{ width:21px; height:21px; stroke:currentColor; }
.bottom-nav a.active{ color: var(--cyan); }
.bottom-nav a.active::before{
  content:""; position:absolute; top:2px; left:50%; transform:translateX(-50%);
  width:26px; height:3px; border-radius:3px; background: linear-gradient(90deg, var(--cyan), var(--teal));
  box-shadow: 0 0 10px rgba(79,224,255,0.7);
}

/* Nút hành động nổi (FAB) — gợi ý bến bãi gần nhất bằng định vị thật */
.fab{
  display:none;
  position:fixed; right:18px; bottom:78px; z-index:29;
  width:56px; height:56px; border-radius:50%;
  align-items:center; justify-content:center;
  background: linear-gradient(150deg, var(--cyan), var(--teal));
  color:#04222A; box-shadow: 0 14px 30px -10px rgba(79,224,255,0.6), 0 0 0 6px rgba(79,224,255,0.08);
  border:none; cursor:pointer;
  animation: fabPulse 2.6s ease-in-out infinite;
}
.fab svg{ width:24px; height:24px; }
.fab:active{ transform: scale(.94); }
@keyframes fabPulse{ 0%,100%{ box-shadow: 0 14px 30px -10px rgba(79,224,255,0.6), 0 0 0 6px rgba(79,224,255,0.08); } 50%{ box-shadow: 0 14px 34px -8px rgba(79,224,255,0.8), 0 0 0 10px rgba(79,224,255,0.04); } }

/* Bottom sheet — thay cho việc mở rộng nội tuyến trên màn hình hẹp: gọn, quen thuộc, vuốt để đóng */
.sheet-backdrop{
  display:none; position:fixed; inset:0; z-index:40;
  background: rgba(3,7,14,0.6); backdrop-filter: blur(3px);
  opacity:0; transition: opacity .25s ease;
}
.sheet-backdrop.show{ opacity:1; }
.sheet{
  position:fixed; left:0; right:0; bottom:0; z-index:41;
  max-height:82vh; overflow-y:auto; -webkit-overflow-scrolling:touch;
  background: linear-gradient(180deg, rgba(20,34,60,0.98), rgba(9,16,30,0.98));
  border:1px solid var(--panel-border);
  border-bottom:none;
  border-radius: 20px 20px 0 0;
  padding: 10px 18px calc(20px + env(safe-area-inset-bottom, 0px));
  transform: translateY(100%);
  transition: transform .32s cubic-bezier(.2,.8,.2,1);
  box-shadow: 0 -20px 60px -20px rgba(0,0,0,0.8);
}
.sheet.show{ transform: translateY(0); }
.sheet-handle{ width:40px; height:4px; border-radius:3px; background: var(--line-strong); margin:6px auto 14px; }
.sheet-close{
  position:absolute; top:14px; right:16px; width:30px; height:30px; border-radius:50%;
  background: rgba(255,255,255,0.06); border:1px solid var(--line); color:var(--text-secondary);
  display:flex; align-items:center; justify-content:center; font-size:16px; cursor:pointer;
}

/* ================= ĐIỀU CHỈNH CHO MÀN HÌNH HẸP ================= */
@media (max-width: 640px){
  .topbar nav{ display:none; }
  .topbar{ padding:0 16px; }
  .bottom-nav{ display:block; }
  .fab{ display:flex; }
  .wrap{ padding:20px 14px calc(96px + env(safe-area-inset-bottom, 0px)); }
  h1{ font-size:19px; }
  .grid-3, .grid-2{ grid-template-columns:1fr; }
  .card{ padding:16px; }
  /* Vùng chạm lớn hơn cho ngón tay — tối thiểu ~44px theo chuẩn thao tác di động */
  .btn{ padding:12px 18px; font-size:14px; }
  .slot{ padding:13px 2px; font-size:12px; }
  .slot-grid{ grid-template-columns:repeat(auto-fill,minmax(52px,1fr)); }
  table{ font-size:12.5px; }
  th, td{ padding:8px 6px; }
}

/* ================= Vuốt để lộ hành động (dùng cho danh sách phương tiện) ================= */
.swipe-row{ position:relative; overflow:hidden; border-radius:10px; margin-bottom:6px; }
.swipe-actions{
  position:absolute; top:0; right:0; bottom:0; width:84px;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, var(--danger), #C2455A); color:#fff; font-weight:700; font-size:12.5px;
  cursor:pointer;
}
.swipe-content{
  position:relative; background: rgba(15,27,50,0.6); display:flex; justify-content:space-between; align-items:center;
  padding:11px 14px; touch-action: pan-y;
}