:root {
    --bg-app: #f4f4f4;
    --bg-panel: #ffffff;
    --bg-elevated: #e8e8e8;
    --bg-canvas: #fafafa;
    --text-main: #1a1a1a;
    --text-muted: #555;
    --text-inverse: #ffffff;
    --color-primary: #0284c7;
    --color-primary-hover: #38bdf8;
    --color-success: #16a34a;
    --color-warning: #d97706;
    --color-danger: #dc2626;
    --border-color: #cbd5e1;
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(0, 0, 0, 0.1);
    --input-bg: #f8fafc;

    --font-tech: 'Share Tech Mono', monospace;
    --font-ui: 'Roboto', sans-serif;
}

:root[data-theme="dark"] {
    --bg-app: #0b0d12;
    --bg-panel: #11141a;
    --bg-elevated: #1f2937;
    --bg-canvas: #0b0d12;
    --text-main: #e0e6ed;
    --text-muted: #8b949e;
    --text-inverse: #000;
    --color-primary: #0ea5e9;
    --color-primary-hover: #38bdf8;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --border-color: #1f2937;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --input-bg: #000;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-app);
    color: var(--text-main);
    font-family: var(--font-ui);
    height: 100vh;
    overflow: hidden;
    display: flex;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* --- MODAL START --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--bg-panel);
    border: 1px solid var(--color-primary);
    padding: 40px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.2);
    border-radius: 4px;
    color: var(--text-main);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.modal-content h1 {
    font-family: var(--font-tech);
    color: var(--color-primary);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    font-family: var(--font-tech);
    color: var(--color-primary);
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.input-group input {
    width: 100%;
    padding: 12px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-family: var(--font-tech);
    font-size: 1.1rem;
    text-transform: uppercase;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn-action {
    background: var(--color-primary);
    color: #000;
    border: none;
    padding: 15px 30px;
    font-family: var(--font-tech);
    font-weight: bold;
    font-size: 1.1rem;
    cursor: pointer;
    width: 100%;
    transition: all 0.2s;
}

.btn-action:hover {
    background: var(--color-primary-hover);
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.5);
}

.theme-toggle {
    background: var(--bg-elevated);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    font-family: var(--font-tech);
    font-size: 0.85rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 10px;
    width: 100%;
    transition: all 0.2s;
}

.theme-toggle:hover {
    background: var(--text-main);
    color: var(--text-inverse);
}

/* --- HUD SIDEBAR --- */
.hud-sidebar {
    width: 300px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    padding: 20px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.hud-header {
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.hud-header h2 {
    font-family: var(--font-tech);
    margin: 0 0 5px 0;
    font-size: 1.5rem;
    letter-spacing: 1px;
    color: var(--text-main);
}

.agent-info {
    font-family: var(--font-tech);
    color: var(--color-primary);
    font-size: 0.9rem;
}

.stat-box {
    background: var(--bg-elevated);
    padding: 15px;
    margin-bottom: 15px;
    border-left: 4px solid var(--color-warning);
}

.stat-label {
    display: block;
    font-family: var(--font-tech);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stat-value {
    font-family: var(--font-tech);
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-main);
}

.stat-max {
    font-family: var(--font-tech);
    font-size: 1rem;
    color: var(--text-muted);
}

.hud-status {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.hud-status h3 {
    font-family: var(--font-tech);
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 0;
}

.status-line {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-tech);
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: var(--color-success);
}

.status-led {
    width: 10px;
    height: 10px;
    background: var(--color-success);
    border-radius: 50%;
    box-shadow: 0 0 5px var(--color-success);
}

.blink {
    animation: blinker 1s linear infinite;
}

.blink-slow {
    animation: blinker 2s linear infinite;
}

@keyframes blinker {
    50% {
        opacity: 0.3;
    }
}

.hud-actions {
    margin-top: 20px;
}

.btn-warning {
    background: var(--color-warning);
    color: #000;
    width: 100%;
    padding: 15px;
    border: none;
    font-family: var(--font-tech);
    font-weight: bold;
    cursor: pointer;
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-warning:enabled {
    opacity: 1;
    cursor: pointer;
}

.btn-warning:enabled:hover {
    background: #fbbf24;
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.5);
}

/* --- MAP AREA --- */
#map {
    flex: 1;
    height: 100%;
    background: var(--bg-canvas);
}

/* --- LEAFLET CUSTOMIZATION --- */
.leaflet-popup-content-wrapper {
    background: var(--bg-panel);
    color: var(--text-main);
    border: 1px solid var(--color-primary);
    border-radius: 0;
    font-family: var(--font-ui);
}

.leaflet-popup-tip {
    background: var(--bg-panel);
    border: 1px solid var(--color-primary);
}

.popup-header {
    font-family: var(--font-tech);
    color: var(--color-warning);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
    margin-bottom: 10px;
    font-size: 1.1rem;
    font-weight: bold;
}

.popup-desc {
    margin-bottom: 10px;
}

.popup-err-label {
    color: var(--color-danger);
    font-weight: bold;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.popup-input {
    width: 100%;
    padding: 8px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    margin-top: 5px;
    font-family: var(--font-tech);
}

.popup-btn {
    background: var(--color-primary);
    color: #000;
    border: none;
    padding: 8px 12px;
    margin-top: 10px;
    width: 100%;
    font-family: var(--font-tech);
    font-weight: bold;
    cursor: pointer;
}

.popup-btn:hover {
    background: var(--color-primary-hover);
}


/* --- SATELLITE MODAL --- */
#satMap {
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    body {
        flex-direction: column;
    }

    .hud-sidebar {
        width: 100%;
        height: auto;
        flex-direction: row;
        align-items: center;
        padding: 10px;
        order: 2;
        border-right: none;
        border-top: 1px solid var(--border-color);
    }

    .hud-stats,
    .hud-status {
        display: none;
    }

    .hud-header {
        border: none;
        margin: 0;
        padding: 0;
    }

    #map {
        order: 1;
        height: 70vh;
    }
}