/* ========================================
   ISS Tracker 3D - Modern UI Styles
   ======================================== */

/* CSS Variables for theming */
:root {
    --primary-color: #00a3ff;
    --primary-glow: rgba(0, 163, 255, 0.4);
    --accent-green: #00ff88;
    --accent-green-glow: rgba(0, 255, 136, 0.3);
    --bg-dark: #0a0a0f;
    --bg-panel: rgba(15, 15, 25, 0.85);
    --bg-glass: rgba(20, 20, 35, 0.7);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.4);
    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(0, 163, 255, 0.3);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Mono', 'Fira Code', monospace;
    --transition-fast: 0.15s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    --blur-amount: 20px;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
}

/* Reset & Base */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--bg-dark);
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* WebGL Canvas */
.webgl {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    outline: none;
    z-index: 0;
}

/* ========================================
   Loading Overlay
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, #0d1020 0%, #050510 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    text-align: center;
}

.loading-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 4px;
    margin: 32px 0 8px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loading-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ISS Loader Animation */
.iss-loader {
    width: 100px;
    height: 100px;
    position: relative;
    margin: 0 auto;
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    margin: -40px 0 0 -40px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}

.iss-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    margin: -6px 0 0 -6px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--accent-green-glow), 0 0 40px var(--accent-green-glow);
    animation: pulse 1s ease-in-out infinite;
}

.progress-bar {
    width: 200px;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-green));
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* ========================================
   Info Panel - Glassmorphism Design
   ======================================== */
.info-panel {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 280px;
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    z-index: 100;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.info-panel:hover {
    border-color: var(--border-glow);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.panel-header h1 {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--text-primary);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--accent-green);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 8px var(--accent-green-glow);
}

/* Data Grid */
.data-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.data-item {
    background: rgba(0, 0, 0, 0.2);
    padding: 12px;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.data-item:hover {
    border-color: var(--border-glow);
    background: rgba(0, 163, 255, 0.05);
}

.data-label {
    display: block;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.data-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-primary);
    white-space: nowrap;
}

.panel-divider {
    height: 1px;
    background: var(--border-color);
    margin: 16px 0;
}

/* Controls Section */
.controls-section h3 {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.button-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    font-family: var(--font-main);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.control-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-glow);
}

.control-btn.active {
    color: var(--primary-color);
    background: rgba(0, 163, 255, 0.15);
    border-color: var(--primary-color);
    box-shadow: 0 0 12px rgba(0, 163, 255, 0.2);
}

.control-btn svg {
    flex-shrink: 0;
}

/* ========================================
   Floating Buttons
   ======================================== */
.settings-btn,
.fullscreen-btn {
    position: fixed;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 100;
    transition: all var(--transition-fast);
}

.settings-btn {
    bottom: 20px;
    right: 20px;
}

.fullscreen-btn {
    bottom: 20px;
    right: 76px;
}

.settings-btn:hover,
.fullscreen-btn:hover {
    color: var(--text-primary);
    border-color: var(--primary-color);
    background: rgba(0, 163, 255, 0.1);
    transform: scale(1.05);
}

/* ========================================
   Keyboard Shortcuts Hint
   ======================================== */
.shortcuts-hint {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 16px;
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
    z-index: 50;
    opacity: 0.7;
    transition: opacity var(--transition-medium);
}

.shortcuts-hint:hover {
    opacity: 1;
}

kbd {
    display: inline-block;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin: 0 2px;
}

/* ========================================
   Settings Modal
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 500;
    opacity: 1;
    transition: opacity var(--transition-medium);
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 400px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
    border-color: var(--primary-color);
    background: rgba(0, 163, 255, 0.1);
}

.modal-body {
    padding: 20px;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item label {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.toggle-group {
    display: flex;
    gap: 0;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.toggle-btn {
    padding: 6px 14px;
    font-family: var(--font-main);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.toggle-btn:hover {
    color: var(--text-primary);
}

.toggle-btn.active {
    color: var(--bg-dark);
    background: var(--primary-color);
}

/* ========================================
   Animations
   ======================================== */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.7;
        transform: scale(0.95);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 8px var(--primary-glow);
    }

    50% {
        box-shadow: 0 0 20px var(--primary-glow), 0 0 30px var(--primary-glow);
    }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .info-panel {
        top: auto;
        bottom: 80px;
        right: 10px;
        left: 10px;
        width: auto;
        max-width: none;
        padding: 16px;
    }

    .data-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .data-item {
        padding: 8px;
    }

    .data-label {
        font-size: 0.55rem;
    }

    .data-value {
        font-size: 0.75rem;
    }

    .controls-section {
        display: none;
    }

    .panel-divider {
        display: none;
    }

    .shortcuts-hint {
        display: none;
    }

    .settings-btn,
    .fullscreen-btn {
        width: 40px;
        height: 40px;
    }

    .settings-btn {
        bottom: 15px;
        right: 15px;
    }

    .fullscreen-btn {
        bottom: 15px;
        right: 65px;
    }
}

@media (max-width: 480px) {
    .data-grid {
        grid-template-columns: 1fr 1fr;
    }

    .info-panel {
        padding: 12px;
    }

    .panel-header h1 {
        font-size: 0.75rem;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.no-select {
    user-select: none;
    -webkit-user-select: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/*# sourceMappingURL=main.css.map*/