/* ============================================
   UZAY ENKAZI TAKİP SİSTEMİ - Premium Dark Theme
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- CSS Variables --- */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.85);
    --bg-glass: rgba(17, 24, 39, 0.6);
    --border-glass: rgba(99, 102, 241, 0.15);
    --border-hover: rgba(99, 102, 241, 0.4);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-blue: #6366f1;
    --accent-blue-glow: rgba(99, 102, 241, 0.4);
    --accent-green: #22c55e;
    --accent-green-glow: rgba(34, 197, 94, 0.4);
    --accent-red: #ef4444;
    --accent-red-glow: rgba(239, 68, 68, 0.4);
    --accent-yellow: #f59e0b;
    --accent-yellow-glow: rgba(245, 158, 11, 0.4);
    --accent-cyan: #06b6d4;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
    --gradient-success: linear-gradient(135deg, #22c55e 0%, #06b6d4 100%);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

/* --- Canvas --- */
#globe-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* --- Loading Screen --- */
#loading-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

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

.loading-logo {
    width: 80px;
    height: 80px;
    border: 3px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 24px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.loading-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.loading-progress {
    width: 200px;
    height: 3px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 2px;
    margin-top: 20px;
    overflow: hidden;
}

.loading-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* --- Header Bar --- */
#header-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.header-title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #f1f5f9, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Search Box --- */
.header-search {
    position: relative;
    flex: 1;
    max-width: 400px;
    margin: 0 20px;
    z-index: 101;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 12px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

#satellite-search {
    width: 100%;
    background: rgba(17, 24, 39, 0.6);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 8px 36px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    outline: none;
    transition: all var(--transition-normal);
}

#satellite-search:focus {
    background: rgba(17, 24, 39, 0.8);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

#satellite-search::placeholder {
    color: var(--text-muted);
}

.search-clear {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-clear:hover {
    color: var(--text-primary);
}

.search-clear.hidden {
    display: none;
}

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 100%;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: 200;
}

.search-results.hidden {
    display: none;
}

.search-results::-webkit-scrollbar {
    width: 4px;
}
.search-results::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 2px;
}

.search-result-item {
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    transition: background 0.2s ease;
}

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

.search-result-item:hover {
    background: rgba(99, 102, 241, 0.15);
}

.search-result-name {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.search-result-norad {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.search-no-results {
    padding: 12px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.header-stats {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.stat-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

.stat-dot.green { background: var(--accent-green); box-shadow: 0 0 8px var(--accent-green-glow); }
.stat-dot.red { background: var(--accent-red); box-shadow: 0 0 8px var(--accent-red-glow); }
.stat-dot.blue { background: var(--accent-blue); box-shadow: 0 0 8px var(--accent-blue-glow); }

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

.stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    color: var(--text-primary);
}

/* --- Filter Panel --- */
#filter-panel {
    position: fixed;
    top: 72px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
}

.filter-btn {
    position: relative;
    padding: 8px 20px;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.filter-btn:hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.filter-btn.active {
    color: #fff;
    background: var(--gradient-primary);
    box-shadow: 0 4px 15px var(--accent-blue-glow);
}

.filter-btn .btn-icon {
    font-size: 0.9rem;
}

.filter-btn .btn-count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.15);
}

.filter-btn.active .btn-count {
    background: rgba(255, 255, 255, 0.25);
}

/* --- Info Panel (Right Side) --- */
#info-panel {
    position: fixed;
    top: 72px;
    right: 16px;
    width: 360px;
    max-height: calc(100vh - 88px);
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    overflow-y: auto;
    transform: translateX(calc(100% + 32px));
    transition: transform var(--transition-slow);
}

#info-panel.visible {
    transform: translateX(0);
}

#info-panel::-webkit-scrollbar {
    width: 4px;
}
#info-panel::-webkit-scrollbar-track {
    background: transparent;
}
#info-panel::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 2px;
}

.info-header {
    padding: 20px 20px 14px;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 1;
}

.info-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-type-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-type-badge.active {
    background: rgba(34, 197, 94, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.info-type-badge.debris {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.info-sat-name {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.info-close-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.info-close-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

/* Info Section */
.info-section {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-glass);
}

.info-section:last-child {
    border-bottom: none;
}

.info-section-title {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.info-field {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.info-field.full {
    grid-column: 1 / -1;
}

.info-field-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.info-field-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Collision Risk Table */
.collision-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
}

.collision-table th {
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.7rem;
    padding: 6px 8px;
    border-bottom: 1px solid var(--border-glass);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.collision-table td {
    padding: 8px;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(99, 102, 241, 0.06);
}

.collision-table tr:last-child td {
    border-bottom: none;
}

.risk-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 5px;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.risk-badge.risk-high {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.risk-badge.risk-medium {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-yellow);
}

.risk-badge.risk-low {
    background: rgba(34, 197, 94, 0.15);
    color: var(--accent-green);
}

.risk-badge.risk-minimal {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
}

/* Orbit Toggle Button */
.orbit-toggle-btn {
    width: 100%;
    padding: 10px 16px;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent-blue);
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.orbit-toggle-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--border-hover);
    box-shadow: 0 0 20px var(--accent-blue-glow);
}

.orbit-toggle-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

/* Loading Indicator in panel */
.panel-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.panel-loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* --- Bottom Stats Bar --- */
#bottom-bar {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 20px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.bottom-stat {
    display: flex;
    align-items: center;
    gap: 6px;
}

.bottom-stat-label {
    color: var(--text-muted);
}

.bottom-stat-value {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    font-weight: 500;
}

.bottom-divider {
    width: 1px;
    height: 16px;
    background: var(--border-glass);
}

/* --- Tooltip (on hover) --- */
#hover-tooltip {
    position: fixed;
    z-index: 200;
    padding: 8px 12px;
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    font-size: 0.78rem;
    max-width: 250px;
    box-shadow: var(--shadow-lg);
}

#hover-tooltip.visible {
    opacity: 1;
}

.tooltip-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 3px;
}

.tooltip-info {
    color: var(--text-muted);
    font-size: 0.72rem;
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.animate-in {
    animation: fadeInUp 0.4s ease forwards;
}

/* --- Tool Buttons --- */
#tool-buttons {
    position: fixed;
    top: 120px;
    left: 16px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tool-btn {
    padding: 10px 18px;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    box-shadow: var(--shadow-glow);
}

.tool-btn:hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--border-hover);
    box-shadow: 0 0 20px var(--accent-blue-glow);
    transform: translateX(4px);
}

.tool-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 20px var(--accent-blue-glow);
}

.tool-btn.collision-btn {
    border-color: rgba(245, 158, 11, 0.2);
}

.tool-btn.collision-btn:hover {
    border-color: rgba(245, 158, 11, 0.5);
    box-shadow: 0 0 20px var(--accent-yellow-glow);
}

.tool-btn.collision-btn.active {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    border-color: transparent;
    box-shadow: 0 4px 20px var(--accent-yellow-glow);
}

/* --- Global Collision Panel (Left Side) --- */
#global-collision-panel {
    position: fixed;
    top: 72px;
    left: 16px;
    width: 420px;
    max-height: calc(100vh - 88px);
    z-index: 99;
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(245, 158, 11, 0.1);
    overflow-y: auto;
    transform: translateX(calc(-100% - 32px));
    transition: transform var(--transition-slow);
}

#global-collision-panel.visible {
    transform: translateX(0);
}

#global-collision-panel::-webkit-scrollbar {
    width: 4px;
}
#global-collision-panel::-webkit-scrollbar-thumb {
    background: rgba(245, 158, 11, 0.3);
    border-radius: 2px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    #filter-panel {
        top: auto;
        bottom: 72px;
        flex-wrap: wrap;
        max-width: calc(100% - 32px);
        justify-content: center;
    }

    #info-panel, #global-collision-panel {
        width: calc(100% - 32px);
        left: 16px;
        right: 16px;
        top: auto;
        bottom: 16px;
        max-height: 50vh;
        transform: translateY(calc(100% + 32px));
    }

    #info-panel.visible, #global-collision-panel.visible {
        transform: translateY(0);
    }

    #bottom-bar {
        display: none;
    }

    .header-stats {
        display: none;
    }

    #tool-buttons {
        top: 72px;
        left: 50%;
        transform: translateX(-50%);
        flex-direction: row;
    }
}