/* --- THEME DEFINITIONS --- */
:root, .theme-midnight {
    --brand-primary: #007BFF; --brand-secondary: #6C757D; --brand-accent: #007BFF; /* Corrected Accent */
    --text-primary: #E9ECEF; --text-secondary: #ADB5BD; --text-on-brand: #FFFFFF;
    --surface-bg: rgba(23, 27, 31, 0.7); --surface-border: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(0,0,0,0.3); --input-focus-bg: rgba(0,0,0,0.4); --button-bg: rgba(255,255,255,0.05);
    --map-attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors © <a href="https://carto.com/attributions">CARTO</a>';
    --theme-color-meta: #111111;
}
.theme-dark {
    --brand-primary: #0d6efd; --brand-secondary: #6c757d; --brand-accent: #0d6efd; /* Corrected Accent */
    --text-primary: #dee2e6; --text-secondary: #adb5bd; --text-on-brand: #FFFFFF;
    --surface-bg: rgba(36, 37, 38, 0.7); --surface-border: rgba(255, 255, 255, 0.15);
    --input-bg: rgba(25, 26, 27, 0.5); --input-focus-bg: #191A1B; --button-bg: rgba(255,255,255,0.08);
    --map-attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors © <a href="https://carto.com/attributions">CARTO</a>';
    --theme-color-meta: #242526;
}
.theme-light {
    --brand-primary: #007bff; --brand-secondary: #6c757d; --brand-accent: #007bff;
    --text-primary: #212529; --text-secondary: #6c757d; --text-on-brand: #FFFFFF;
    --surface-bg: rgba(248, 249, 250, 0.8); --surface-border: rgba(0, 0, 0, 0.1);
    --input-bg: #e9ecef; --input-focus-bg: #dfe3e7; --button-bg: #e9ecef;
    --map-attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors © <a href="https://carto.com/attributions">CARTO</a>';
    --theme-color-meta: #F8F9FA;
}
.theme-sunset {
    --brand-primary: #FF8C42; --brand-secondary: #A0AEC0; --brand-accent: #FF8C42; /* Corrected Accent */
    --text-primary: #F7FAFC; --text-secondary: #A0AEC0; --text-on-brand: #1A202C;
    --surface-bg: rgba(45, 55, 72, 0.8); --surface-border: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(26, 32, 44, 0.6); --input-focus-bg: rgba(26, 32, 44, 0.8); --button-bg: rgba(255,255,255,0.05);
    --map-attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors © <a href="https://carto.com/attributions">CARTO</a>';
    --theme-color-meta: #1A202C;
}
.theme-emerald {
    --brand-primary: #00C853; --brand-secondary: #9E9E9E; --brand-accent: #00C853; /* Corrected Accent */
    --text-primary: #E8F5E9; --text-secondary: #BDBDBD; --text-on-brand: #000000;
    --surface-bg: rgba(27, 38, 33, 0.8); --surface-border: rgba(0, 200, 83, 0.2);
    --input-bg: rgba(0,0,0,0.3); --input-focus-bg: rgba(0,0,0,0.4); --button-bg: rgba(0, 200, 83, 0.1);
    --map-attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors © <a href="https://carto.com/attributions">CARTO</a>';
    --theme-color-meta: #1B2621;
}
.theme-opentopo {
    --brand-primary: #3d6a4c; --brand-secondary: #646464; --brand-accent: #b98046;
    --text-primary: #1a1a1a; --text-secondary: #5c5c5c; --text-on-brand: #FFFFFF;
    --surface-bg: rgba(245, 245, 220, 0.8); --surface-border: rgba(0, 0, 0, 0.15);
    --input-bg: #e6e6d1; --input-focus-bg: #dcdcc6; --button-bg: #e6e6d1;
    --map-attribution: 'Map data: © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, <a href="http://viewfinderpanoramas.org">SRTM</a> | Map style: © <a href="https://opentopomap.org">OpenTopoMap</a> (<a href="https://creativecommons.org/licenses/by-sa/3.0/">CC-BY-SA</a>)';
    --theme-color-meta: #F5F5DC;
}

/* --- Base Styles --- */
:root {
    --font-family: 'Manrope', sans-serif; --border-radius-md: 12px; --border-radius-lg: 16px;
    --transition-fast: all 0.2s ease-in-out; --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --sheet-peek-height: 75px; --surface-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; width: 100%; overflow: hidden; font-family: var(--font-family); background: #111; color: var(--text-primary); transition: color 0.3s, background-color 0.3s; }
.is-dragging, .is-dragging * { user-select: none !important; }

#map { width: 100%; height: 100%; z-index: 1; background-color: #1a1a1a; }
.leaflet-container { cursor: default; }

/* --- PAGE LOADER --- */
#page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    background: var(--surface-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
    visibility: visible;
    opacity: 1;
}
#page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.loader-content {
    text-align: center;
}
.loader-road {
    width: 100px;
    height: 100px;
    stroke: var(--brand-primary);
}
.loader-road path {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: draw-road 2s ease-in-out infinite;
}
@keyframes draw-road {
    50% {
        stroke-dashoffset: 0;
    }
    100% {
        stroke-dashoffset: -200;
    }
}
.loader-logo {
    font-size: 24px;
    font-weight: 800;
    margin-top: 15px;
    color: var(--text-primary);
    opacity: 0;
    animation: fade-in-logo 1.5s 0.5s ease-out infinite alternate;
}
.loader-logo i {
    color: var(--brand-primary);
}
@keyframes fade-in-logo {
    to {
        opacity: 1;
    }
}


/* --- HIGH-PERFORMANCE MODE OVERRIDES --- */
.high-performance, .high-performance * { transition: none !important; animation: none !important; }
.high-performance .surface { backdrop-filter: none !important; background-color: var(--surface-bg) !important; }
.high-performance .control-panel, .high-performance .modal-content, .high-performance .leaflet-control { box-shadow: 0 0 0 1px var(--surface-border) !important; }

@keyframes draw-route { to { stroke-dashoffset: 0; } }
@keyframes spin { 100% { transform: rotate(360deg); } }
.route-path-animated { animation: draw-route 2s ease-in-out forwards; }

/* --- General Components --- */
.surface { background: var(--surface-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--surface-border); box-shadow: var(--surface-shadow); }
.control-panel, .modal-content, .bottom-sheet, #toast-container .toast { transition: background var(--transition-fast), border var(--transition-fast); }

/* --- LEAFLET CONTROL STYLES --- */
.leaflet-control { background: var(--surface-bg) !important; backdrop-filter: blur(10px) !important; -webkit-backdrop-filter: blur(10px) !important; border: 1px solid var(--surface-border) !important; box-shadow: var(--surface-shadow) !important; border-radius: var(--border-radius-md) !important; transition: background var(--transition-fast), border var(--transition-fast); }
.leaflet-control-zoom a { color: var(--text-primary) !important; background-color: transparent !important; width: 36px !important; height: 36px !important; line-height: 36px !important; font-size: 20px !important; font-weight: 600 !important; text-decoration: none; }
.leaflet-control-zoom-in { border-bottom: 1px solid var(--surface-border) !important; transition: border var(--transition-fast); }
.leaflet-bar a:hover { background-color: var(--button-bg) !important; }
.leaflet-control-attribution { padding: 2px 8px !important; font-size: 11px !important; }
.leaflet-control-attribution, .leaflet-control-attribution a { color: var(--text-secondary) !important; }
.leaflet-bar { box-shadow: none !important; border-radius: var(--border-radius-md) !important; }

/* --- App Settings Modal --- */
.setting-group { margin-bottom: 25px; }
.setting-group:last-child { margin-bottom: 0; }
.setting-group h3 { font-size: 16px; margin-bottom: 12px; color: var(--text-primary); border-bottom: 1px solid var(--surface-border); padding-bottom: 8px; font-weight: 600; }
.theme-selector { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.theme-label { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: var(--border-radius-md); background: var(--input-bg); cursor: pointer; border: 2px solid transparent; transition: var(--transition-fast); color: var(--text-secondary); }
.theme-label:hover { background: var(--input-focus-bg); }
.theme-label input[type="radio"] { display: none; }
.theme-label input[type="radio"]:checked + .theme-preview { border-color: var(--brand-primary); transform: scale(1.1); }
.theme-label input[type="radio"]:checked + .theme-preview::after { opacity: 1; transform: scale(1); }
.theme-label input[type="radio"]:checked ~ span:last-of-type { color: var(--text-primary); font-weight: 500; }
.theme-preview { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--surface-border); flex-shrink: 0; transition: var(--transition-fast); display: flex; align-items: center; justify-content: center; }
.theme-preview::after { content: ''; width: 10px; height: 10px; background: var(--brand-primary); border-radius: 50%; opacity: 0; transform: scale(0.5); transition: var(--transition-fast); }

.toggle-switch { display: flex; align-items: center; justify-content: space-between; background-color: var(--input-bg); padding: 12px; border-radius: var(--border-radius-md); cursor: pointer; margin-top: 10px; }
.toggle-switch.disabled { cursor: not-allowed; opacity: 0.5; }
.toggle-switch.disabled .toggle-control { background-color: var(--brand-secondary) !important; }
.toggle-text { display: flex; flex-direction: column; }
.toggle-text span { color: var(--text-primary); font-weight: 500; }
.toggle-text .sub-label { font-size: 12px; color: var(--text-secondary); font-weight: 400; }
.toggle-input { display: none; }
.toggle-control { display: block; position: relative; width: 44px; height: 24px; border-radius: 12px; background-color: var(--brand-secondary); transition: var(--transition-fast); flex-shrink: 0; }
.toggle-control::after { content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background-color: white; transition: var(--transition-fast); }
.toggle-input:checked + .toggle-control { background-color: var(--brand-accent); }
.toggle-input:checked + .toggle-control::after { transform: translateX(20px); }

.slider-control { margin-top: 20px; }
.slider-control label { display: block; margin-bottom: 10px; color: var(--text-secondary); }
input[type="range"] { -webkit-appearance: none; width: 100%; background: transparent; }
input[type="range"]::-webkit-slider-runnable-track { height: 6px; background: var(--input-bg); border-radius: 3px; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; height: 18px; width: 18px; border-radius: 50%; background: var(--brand-primary); cursor: pointer; margin-top: -6px; }

/* --- SCROLLBAR STYLES --- */
.modal-body::-webkit-scrollbar { width: 8px; }
.modal-body::-webkit-scrollbar-track { background: transparent; }
.modal-body::-webkit-scrollbar-thumb { background-color: var(--brand-secondary); border-radius: 4px; }
.modal-body::-webkit-scrollbar-thumb:hover { background-color: var(--brand-primary); }

/* --- Other Component Styles --- */
.control-panel { display: none; } 
@media (min-width: 769px) {
    .control-panel { position: absolute; top: 20px; left: 20px; width: 350px; z-index: 1000;  border-radius: var(--border-radius-lg); transition: transform var(--transition-smooth), opacity var(--transition-smooth); display: flex; flex-direction: column; overflow: hidden; }
    .control-panel.dragging { transition: none; }
    .control-panel.collapsed { transform: translateX(calc(-100% + 60px)); }
    .control-panel.collapsed .panel-content { opacity: 0; pointer-events: none; transform: translateY(-10px); }
    .control-panel.collapsed .panel-toggle-btn i { transform: rotate(180deg); }
    .panel-header { display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; border-bottom: 1px solid var(--surface-border); cursor: grab; }
    .panel-header:active { cursor: grabbing; }
    .logo { font-size: 22px; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: 10px; }
    .logo i { color: var(--brand-primary); }
    .panel-toggle-btn { background: none; border: none; color: var(--text-secondary); font-size: 18px; cursor: pointer; transition: var(--transition-fast); }
    .panel-toggle-btn:hover { color: var(--text-primary); }
    .panel-toggle-btn i { transition: var(--transition-smooth); }
    .panel-content { padding: 20px; display: flex; flex-direction: column; gap: 18px; transition: opacity 0.3s ease, transform 0.3s ease; }
}

.location-module { position: relative; display: flex; gap: 10px; }
.input-container { display: flex; flex: 1; align-items: center; gap: 12px; border-radius: var(--border-radius-md); padding: 0 15px; border: 1px solid transparent; transition: var(--transition-fast); background: var(--input-bg); min-width: 0; }
.input-container:focus-within { border-color: var(--brand-primary); background: var(--input-focus-bg); }
.input-container .icon-wrapper { width: 16px; height: 16px; text-align: center; color: var(--text-secondary); }
.input-container .icon-wrapper .fa-spinner { display: none; animation: spin 1s linear infinite; }
.input-container.loading .icon-wrapper > .fas:not(.fa-spinner) { display: none; }
.input-container.loading .icon-wrapper .fa-spinner { display: inline-block; }
.start-icon { color: var(--brand-primary); }
.end-icon { color: var(--brand-accent); }
.input-container input { flex: 1; background: none; border: none; outline: none; padding: 14px 0; color: var(--text-primary); font-size: 15px; font-family: var(--font-family); min-width: 0; }
.input-container input::placeholder { color: var(--text-secondary); }

.swap-btn { flex-shrink: 0; width: 44px; height: 44px; border: 1px solid var(--surface-border); border-radius: 50%; color: var(--text-secondary); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition-fast); background: var(--surface-bg); }
.swap-btn:hover { color: var(--text-primary); transform: rotate(180deg); }
.swap-btn:active { transform: rotate(180deg) scale(0.9); }
@media (min-width: 769px) { 
    .location-module { flex-direction: column; } 
    .swap-btn { position: absolute; top: 50%; right: -15px; transform: translateY(-50%); width: 32px; height: 32px; }
    .swap-btn:hover { transform: translateY(-50%) rotate(180deg); }
    .swap-btn:active { transform: translateY(-50%) rotate(180deg) scale(0.9); }
}

button { transition: var(--transition-fast); }
button:active { transform: scale(0.95); }

.map-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.map-action-btn, .quick-action-btn, .modal-actions button { padding: 10px; font-size: 13px; font-weight: 500; border-radius: var(--border-radius-md); cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--font-family); background: var(--button-bg); color: var(--text-secondary); border: 1px solid var(--surface-border); }
.map-action-btn:hover, .quick-action-btn:hover, .modal-actions button:hover { background: var(--button-bg); filter: brightness(1.2); color: var(--text-primary); }

.cta-btn { padding: 15px; font-size: 16px; font-weight: 700; border: none; border-radius: var(--border-radius-md); cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--font-family); background: var(--brand-primary); color: var(--text-on-brand); }
.cta-btn:hover { filter: brightness(1.1); }
.quick-actions { display: grid; gap: 10px; }
@media (min-width: 769px) { .quick-actions { grid-template-columns: repeat(3, 1fr); } }

.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 10px; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.modal-overlay.visible { opacity: 1; pointer-events: all; }
.modal-content { border-radius: var(--border-radius-lg); width: 100%; max-width: 420px; transform: scale(0.95); transition: var(--transition-smooth); display: none; max-height: 90vh; flex-direction: column; }
.modal-overlay.visible .modal-content.active { display: flex; transform: scale(1); }

.modal-header { flex-shrink: 0; display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; border-bottom: 1px solid var(--surface-border); }
.modal-header h2 { font-size: 18px; font-weight: 600; color: var(--text-primary); display: flex; align-items: center; gap: 10px; }
.close-modal-btn { background: none; border: none; font-size: 28px; color: var(--text-secondary); cursor: pointer; line-height: 1; }
.modal-body { padding: 25px 20px; overflow-y: auto; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.input-group label { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.input-group input { width: 100%; padding: 12px; border-radius: var(--border-radius-md); color: var(--text-primary); font-size: 15px; outline: none; transition: var(--transition-fast); background: var(--input-bg); border: 1px solid var(--surface-border); }
.input-group input:focus { border-color: var(--brand-primary); }

.route-summary { display: flex; justify-content: space-around; text-align: center; padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid var(--surface-border); }
.summary-item i { font-size: 24px; color: var(--brand-primary); margin-bottom: 10px; }
.summary-item span { display: block; font-size: 20px; font-weight: 700; color: var(--text-primary); }
.summary-item label { font-size: 12px; color: var(--text-secondary); }
.cost-details { display: flex; flex-direction: column; gap: 12px; }
.cost-item { display: flex; justify-content: space-between; align-items: center; color: var(--text-secondary); }
.cost-value { color: var(--text-primary); font-weight: 600; }
.total-cost { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--surface-border); }
.total-cost span { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.total-cost-value { font-size: 24px; font-weight: 800; color: var(--brand-accent); }
.modal-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 25px; }

.history-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.history-list li { padding: 15px; border-radius: var(--border-radius-md); cursor: pointer; transition: var(--transition-fast); border-left: 3px solid var(--brand-secondary); color: var(--text-secondary); background: var(--input-bg); }
.history-list li:hover { border-left-color: var(--brand-primary); color: var(--text-primary); filter: brightness(1.2); }
.history-list li strong { color: var(--text-primary); font-weight: 600; }
.empty-state { text-align: center; padding: 30px; color: var(--text-secondary); border-left: none !important; background: none !important; cursor: default !important; }

.bottom-sheet { display: none; } 
@media (max-width: 768px) {
    .bottom-sheet { display: block; position: fixed; bottom: 0; left: 0; width: 100%; z-index: 1000; border-top-left-radius: 20px; border-top-right-radius: 20px; transform: translateY(calc(100% - var(--sheet-peek-height))); transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
    .bottom-sheet.expanded { transform: translateY(0); }
    .handle-bar { padding: 10px; cursor: grab; }
    .handle-bar::after { content: ''; display: block; width: 40px; height: 5px; background: var(--brand-secondary); border-radius: 3px; margin: 0 auto; }
    .sheet-content { padding: 0 15px 20px 15px; display: flex; flex-direction: column; gap: 15px; }
    .location-module { flex-direction: row; align-items: center; }
    .cta-btn { font-size: 16px; padding: 14px; }
    .quick-actions { grid-template-columns: repeat(3, 1fr); }
    .quick-actions .quick-action-btn { font-size: 22px; padding: 12px; }
}

#toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast { color: var(--text-primary); padding: 12px 18px; border-radius: var(--border-radius-md); display: flex; align-items: center; gap: 12px; animation: slideIn 0.5s cubic-bezier(0.25, 0.8, 0.25, 1) forwards, fadeOut 0.5s 3s cubic-bezier(0.25, 0.8, 0.25, 1) forwards; }
.toast.success { border-left: 4px solid var(--brand-accent); }
.toast.error { border-left: 4px solid #dc3545; }
.toast.info { border-left: 4px solid var(--brand-primary); }
.toast i { font-size: 16px; }
.toast.success i { color: var(--brand-accent); }
.toast.error i { color: #dc3545; }
.toast.info i { color: var(--brand-primary); }
@keyframes slideIn { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; transform: translateX(20px); } }