:root {
    /* Light Mode Palette */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-primary: #2563eb;
    --accent-secondary: #0ea5e9;
    --border-color: #e2e8f0;
    
    --danger-red: #ef4444;
    --danger-bg: #fee2e2;
    --caution-orange: #f59e0b;
    --caution-bg: #fef3c7;
    --success-green: #10b981;
    
    --brand-gradient: linear-gradient(135deg, #2563eb, #0ea5e9);
    --emergency-gradient: linear-gradient(135deg, #dc2626, #ef4444);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
}

.dark {
    /* Dark Mode Palette */
    --bg-primary: #020617;
    --bg-secondary: #0f172a;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-secondary: #06b6d4;
    --border-color: #1e293b;
    
    --danger-red: #f87171;
    --danger-bg: #450a0a;
    --caution-orange: #fbbf24;
    --caution-bg: #451a03;
    
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(30, 41, 59, 0.5);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.main-container {
    padding: 12px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .main-container {
        padding: 24px;
    }
}

h1 {
    font-size: clamp(2rem, 8vw, 4rem);
    line-height: 1;
}

h2, h3, h4 {
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.header-block {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 1rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.brand-border {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.alert-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
}

.alert-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

.alert-bar-top {
    background: #0d9488; /* Seagreen default for calm states */
    color: white;
    font-weight: 800;
    padding: 1rem;
    text-align: center;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.alert-inner-container {
    padding: 1.5rem;
    flex-grow: 1;
}

.notification-box {
    background: var(--bg-primary);
    border-radius: 0.5rem;
    padding: 1rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.threat-detail {
    background: var(--danger-bg);
    color: var(--danger-red);
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    border-left: 4px solid var(--danger-red);
}

.card-emergency {
    border: 2px solid var(--danger-red);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
    animation: pulse-red 1s infinite;
}
.card-emergency .alert-bar-top { background: var(--emergency-gradient); }

.card-emergency-pds {
    border: 4px solid #000;
    background: #000 !important;
    color: #fff !important;
    box-shadow: 0 0 40px #ff0000;
    animation: strobe-pds 0.5s infinite;
}
.card-emergency-pds .alert-bar-top { background: #ff0000; color: #000; font-weight: 900; font-size: 1.2rem; }
.card-emergency-pds .alert-inner-container { background: #000; border: none; }
.card-emergency-pds .notification-box { background: #1a1a1a; color: #fff; border-color: #333; }
.card-emergency-pds .threat-detail { background: #ff0000; color: #000; border: none; font-size: 1.1rem; }
.card-emergency-pds .alert-bar-bottom { background: #1a1a1a; color: #ff0000; }

@keyframes strobe-pds {
    0% { border-color: #ff0000; }
    50% { border-color: #000; }
    100% { border-color: #ff0000; }
}

@keyframes full-screen-flash {
    0%, 100% { background-color: var(--bg-primary); }
    50% { background-color: #ff0000; }
}

.flash-active {
    animation: full-screen-flash 0.5s infinite !important;
}

/* Fluid Typography */
.text-fluid-massive { font-size: clamp(2.5rem, 8vw, 4.5rem); line-height: 1; }
.text-fluid-title { font-size: clamp(1.5rem, 5vw, 2.25rem); line-height: 1.1; letter-spacing: -0.02em; }
.text-fluid-subtitle { font-size: clamp(0.75rem, 2vw, 1rem); letter-spacing: 0.1em; }
.text-fluid-body { font-size: clamp(0.9rem, 2vw, 1.1rem); line-height: 1.5; }

.safety-action-box {
    background: #fef2f2;
    border: 2px dashed #dc2626;
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 0.5rem;
    color: #991b1b;
    font-weight: 800;
    text-align: center;
    animation: slide-up 0.3s ease-out;
}

@keyframes slide-up {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.card-rotation-red {
    border: 2px solid var(--danger-red);
}
.card-rotation-red .alert-bar-top { background: var(--danger-red); }

.card-warning {
    border: 2px solid #ea580c; /* Orange */
}
.card-warning .alert-bar-top { background: #ea580c; }

.card-watch {
    border: 2px solid #eab308; /* Yellow */
}
.card-watch .alert-bar-top { background: #eab308; color: #000; }

.card-calm {
    border: 2px solid #0d9488; /* Seagreen */
}
.card-calm .alert-bar-top { background: #0d9488; }

@keyframes pulse-red {
    0% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.4); }
    50% { box-shadow: 0 0 30px rgba(239, 68, 68, 0.7); }
    100% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.4); }
}

@keyframes pulse-subtle-red {
    0% { border-color: #fca5a5; }
    50% { border-color: #ef4444; }
    100% { border-color: #fca5a5; }
}

.keyword-tag {
    display: inline-block;
    background: #000;
    color: #fff;
    padding: 4px 8px;
    font-weight: 900;
    font-size: 0.75rem;
    margin: 2px;
    text-transform: uppercase;
    text-align: center;
}

.headed-tag {
    animation: pulse-indigo 1.5s infinite;
}

.eta-tag {
    background-color: var(--indigo);
    border: 1px solid #fff;
}

.possible-tag {
    background-color: #991b1b;
    color: #fff;
    border: 1px solid #fff;
    animation: blink 0.8s infinite;
}

@keyframes pulse-indigo {
    0% { background-color: #1e1b4b; }
    50% { background-color: #4338ca; }
    100% { background-color: #1e1b4b; }
}

input {
    background: var(--bg-primary);
    border: 1px solid var(--border-color) !important;
    border-radius: 0.5rem !important;
    color: var(--text-primary) !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    padding: 0.75rem 1rem !important;
    width: 100%;
    outline: none;
    transition: border-color 0.2s;
}

input:focus {
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    outline: none;
}

button:focus-visible, input:focus-visible {
    outline: 3px solid var(--accent-primary);
    outline-offset: 2px;
}

.btn-pin {
    background: var(--accent-primary);
    color: white;
    font-weight: 700;
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    transition: all 0.2s;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px; /* Touch target size */
}

.btn-pin:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-share {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    font-weight: 700;
    transition: all 0.2s;
    cursor: pointer;
    min-height: 48px;
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    z-index: 100;
    font-size: 1.5rem;
}

.alert-bar-bottom {
    background: var(--bg-primary);
    padding: 0.75rem;
    font-size: 0.75rem;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    font-weight: 600;
}

.btn-test {
    background: #000;
    color: #fff;
    font-size: 0.8rem;
    padding: 8px 12px;
    font-weight: 900;
    border: 2px solid var(--aqua);
    -webkit-tap-highlight-color: transparent;
}

.live-dot {
    height: 10px;
    width: 10px;
    background-color: #4ade80;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0.3; }
    100% { opacity: 1; }
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.accordion-item.active .accordion-content {
    max-height: 1000px;
}
.accordion-header {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    text-align: left;
    padding: 10px 0;
    -webkit-tap-highlight-color: transparent;
}

.map-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    background: #e5e7eb;
}

.map-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.85); /* Darker for better contrast */
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: opacity 0.3s ease;
    text-shadow: 0 4px 10px rgba(0,0,0,0.9);
}

.update-banner {
    background-color: var(--indigo);
    color: white;
    padding: 10px;
    text-align: center;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--aqua);
}

.map-toggle-btn {
    background: #f3f4f6;
    color: var(--darkblue);
    font-weight: 900;
    padding: 10px 20px;
    font-size: 0.8rem;
    border: 2px solid var(--darkblue);
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.2s;
}
.map-toggle-btn.active {
    background: var(--darkblue);
    color: white;
    box-shadow: 0 0 10px var(--aqua);
}
#radarMap {
    cursor: pointer;
}

#radarMap { border: 0; }