:root {
  --primary: #4F46E5;
  --primary-light: #818CF8;
  --primary-dark: #3730A3;
  --primary-bg: #EEF2FF;
  --success: #10B981;
  --success-bg: #ECFDF5;
  --warning: #F59E0B;
  --warning-bg: #FFFBEB;
  --danger: #EF4444;
  --danger-bg: #FEF2F2;
  --info: #3B82F6;
  --info-bg: #EFF6FF;
  --bg: #F1F5F9;
  --card: #FFFFFF;
  --text: #1E293B;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --border: #E2E8F0;
  --shadow: 0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xl: 16px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.5;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
button,input,select{font-family:inherit;font-size:inherit}
a{color:var(--primary);text-decoration:none}

.app-bar{
  background:linear-gradient(135deg,#FF6B6B,#FF8E53);
  color:white;padding:20px 24px;padding-top:calc(20px + env(safe-area-inset-top));
  border-radius:0 0 var(--radius-xl) var(--radius-xl);
  box-shadow:var(--shadow-lg);margin-bottom:24px;
}
.app-bar h1{font-size:22px;font-weight:700;letter-spacing:-.3px}
.app-bar .sub{font-size:13px;opacity:.8;margin-top:2px}

.container{max-width:1100px;margin:0 auto;padding:0 16px 32px}

.card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:20px;transition:box-shadow .2s,transform .2s;
}
.card:hover{box-shadow:var(--shadow-md)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 18px;border-radius:var(--radius-sm);border:none;
  font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;
  min-height:44px;white-space:nowrap;user-select:none;
  -webkit-tap-highlight-color:transparent;
}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-primary{background:var(--primary);color:white}
.btn-primary:hover{background:var(--primary-dark)}
.btn-success{background:var(--success);color:white}
.btn-success:hover{background:#059669}
.btn-warning{background:var(--warning);color:white}
.btn-warning:hover{background:#D97706}
.btn-danger{background:var(--danger);color:white}
.btn-danger:hover{background:#DC2626}
.btn-outline{background:transparent;color:var(--text-secondary);border:1.5px solid var(--border)}
.btn-outline:hover{background:var(--bg);color:var(--text)}
.btn-ghost{background:transparent;color:var(--text-secondary);border:none}
.btn-ghost:hover{background:var(--bg);color:var(--text)}
.btn-sm{padding:6px 12px;font-size:13px;min-height:36px}
.btn-lg{padding:14px 24px;font-size:16px}
.btn-block{width:100%}

.select-wrapper{position:relative}
.select-wrapper select{
  width:100%;padding:10px 36px 10px 14px;border-radius:var(--radius-sm);
  border:1.5px solid var(--border);background:var(--card);color:var(--text);
  font-size:14px;font-weight:500;appearance:none;cursor:pointer;
  min-height:44px;transition:border-color .2s,box-shadow .2s;
}
.select-wrapper select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-bg)}
.select-wrapper::after{
  content:"";position:absolute;right:12px;top:50%;transform:translateY(-50%);
  width:10px;height:10px;border-right:2px solid var(--text-muted);
  border-bottom:2px solid var(--text-muted);rotate:45deg;pointer-events:none;
}

.input{
  width:100%;padding:10px 14px;border-radius:var(--radius-sm);
  border:1.5px solid var(--border);background:var(--card);color:var(--text);
  font-size:14px;transition:border-color .2s,box-shadow .2s;
}
.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-bg)}

.badge{
  display:inline-flex;align-items:center;padding:2px 10px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.3px;
}
.badge-primary{background:var(--primary-bg);color:var(--primary)}
.badge-success{background:var(--success-bg);color:var(--success)}
.badge-warning{background:var(--warning-bg);color:var(--warning)}
.badge-danger{background:var(--danger-bg);color:var(--danger)}
.badge-info{background:var(--info-bg);color:var(--info)}

.avatar{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;font-size:14px;font-weight:700;
  color:white;flex-shrink:0;
}

.status-column{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.status-column-header{
  padding:12px 16px;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:700;color:white;
}
.status-column-body{background:var(--card);padding:8px;min-height:80px}
.status-column-body ul{list-style:none}
.status-column-body li{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;color:var(--text);
  animation:fadeIn .3s ease-out;
}
.status-column-body li+li{border-top:1px solid var(--border)}
.status-column-body .empty{color:var(--text-muted);font-weight:400;font-style:italic;justify-content:center;padding:24px}

.ready-header{background:linear-gradient(135deg,#F59E0B,#D97706)}
.boarding-header{background:linear-gradient(135deg,#3B82F6,#2563EB)}
.now-header{background:linear-gradient(135deg,#10B981,#059669)}

.fade-in{animation:fadeIn .4s ease-out}
.slide-up{animation:slideUp .35s ease-out}

@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
@keyframes spin{to{transform:rotate(360deg)}}

.spinner{
  width:20px;height:20px;border:2.5px solid var(--border);
  border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;
  display:inline-block;
}
.spinner-sm{width:14px;height:14px;border-width:2px}

/* Status indicators */
.status-dot{
  width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0;
}
.status-dot.ready{background:var(--warning)}
.status-dot.boarding{background:var(--info)}
.status-dot.now{background:var(--success)}

/* Layout helpers */
.flex{display:flex}
.flex-col{flex-direction:column}
.items-center{align-items:center}
.justify-between{justify-content:space-between}
.gap-2{gap:8px}
.gap-3{gap:12px}
.gap-4{gap:16px}
.mt-2{margin-top:8px}
.mt-4{margin-top:16px}
.mb-4{margin-bottom:16px}
.text-sm{font-size:13px;color:var(--text-secondary)}
.text-center{text-align:center}
.grid-3{display:grid;grid-template-columns:1fr;gap:16px}

@media(min-width:768px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
}