/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --sidebar-width: 380px;
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-800);
    background-color: var(--gray-100);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

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

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay p {
    margin-top: 16px;
    color: var(--gray-600);
    font-size: 16px;
}

/* Error Banner */
.error-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--danger-color);
    color: white;
    padding: 12px 48px 12px 20px;
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.error-banner.hidden {
    transform: translateY(-100%);
}

.error-close {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.error-close:hover {
    opacity: 1;
}

/* Main Container */
.container {
    display: flex;
    height: 100vh;
    width: 100%;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100%;
    background: white;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px 16px;
    border-bottom: 1px solid var(--gray-200);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.sidebar-header h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.sidebar-header .subtitle {
    font-size: 14px;
    opacity: 0.9;
    margin-top: 2px;
}

/* Location Status */
.location-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-size: 13px;
    color: var(--gray-600);
}

.location-status .status-icon {
    font-size: 16px;
}

.location-status.located {
    color: var(--success-color);
}

.location-status.error {
    color: var(--danger-color);
}

/* Search Container */
.search-container {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-200);
}

.search-container input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-container input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-container input::placeholder {
    color: var(--gray-400);
}

/* Charging Points List */
.charging-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.charging-list::-webkit-scrollbar {
    width: 6px;
}

.charging-list::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.charging-list::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.charging-list::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Charging Point Card */
.charging-card {
    padding: 14px 20px;
    border-bottom: 1px solid var(--gray-100);
    cursor: pointer;
    transition: background-color 0.15s;
}

.charging-card:hover {
    background-color: var(--gray-50);
}

.charging-card.active {
    background-color: rgba(37, 99, 235, 0.08);
    border-left: 3px solid var(--primary-color);
    padding-left: 17px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 6px;
}

.card-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-800);
    line-height: 1.4;
}

.card-distance {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    white-space: nowrap;
    background: rgba(37, 99, 235, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
}

.card-details {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
    font-size: 12px;
    color: var(--gray-500);
}

.card-postal {
    display: flex;
    align-items: center;
    gap: 4px;
}

.card-operator {
    color: var(--gray-400);
}

.card-type {
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--gray-600);
}

/* Availability Badge */
.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.availability-badge.available {
    background: rgba(34, 197, 94, 0.15);
    color: #15803d;
}

.availability-badge.occupied {
    background: rgba(239, 68, 68, 0.15);
    color: #b91c1c;
}

.availability-badge.partial {
    background: rgba(245, 158, 11, 0.15);
    color: #b45309;
}

.availability-badge.unknown {
    background: var(--gray-100);
    color: var(--gray-500);
}

.availability-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.available .availability-dot {
    background: var(--success-color);
}

.occupied .availability-dot {
    background: var(--danger-color);
}

.partial .availability-dot {
    background: var(--warning-color);
}

.unknown .availability-dot {
    background: var(--gray-400);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
    font-size: 13px;
    color: var(--gray-500);
    text-align: center;
}

/* Map Container */
.map-container {
    flex: 1;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
}

/* Google Maps Info Window */
.info-window {
    max-width: 280px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.info-window-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
    line-height: 1.3;
}

.info-window-content {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.5;
}

.info-window-content p {
    margin: 4px 0;
}

.info-window-content .label {
    color: var(--gray-400);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-window-availability {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--gray-200);
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    color: var(--gray-500);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 15px;
    max-width: 240px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        flex-direction: column-reverse;
    }

    .sidebar {
        width: 100%;
        min-width: 100%;
        height: 45vh;
        max-height: 45vh;
    }

    .map-container {
        height: 55vh;
    }

    .sidebar-header {
        padding: 16px 16px 12px;
    }

    .sidebar-header h1 {
        font-size: 18px;
    }

    .charging-card {
        padding: 12px 16px;
    }
}

@media (max-width: 480px) {
    .sidebar {
        height: 50vh;
        max-height: 50vh;
    }

    .map-container {
        height: 50vh;
    }

    .card-header {
        flex-direction: column;
        gap: 6px;
    }

    .card-distance {
        align-self: flex-start;
    }
}

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}