/* ==========================================
   附近充电站 - 设计系统
   ========================================== */

/* -- CSS Variables -- */
:root {
    --color-primary: #0d9488;
    --color-primary-light: #ccfbf1;
    --color-primary-dark: #115e59;
    --color-primary-fg: #ffffff;

    --color-food: #f97316;
    --color-food-light: #fff7ed;
    --color-food-dark: #c2410c;

    --color-scenic: #3b82f6;
    --color-scenic-light: #eff6ff;
    --color-scenic-dark: #1d4ed8;

    --color-bg: #f8faf9;
    --color-card: #ffffff;
    --color-text: #1a2e28;
    --color-text-secondary: #64748b;
    --color-border: #e2e8f0;
    --color-danger: #ef4444;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 3px rgba(13, 148, 136, 0.06);
    --shadow-md: 0 4px 12px rgba(13, 148, 136, 0.08);
    --shadow-lg: 0 8px 24px rgba(13, 148, 136, 0.12);

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 70px;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* -- Icons -- */
.icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-lg {
    width: 24px;
    height: 24px;
}

/* -- Header -- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    max-width: 480px;
    margin: 0 auto;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.location-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--color-primary);
    flex-shrink: 0;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
}

.location-badge:hover {
    background: var(--color-primary-light);
}

.location-badge:active {
    background: var(--color-bg);
}

.location-badge span {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
}

.search-box {
    position: relative;
    flex: 1;
}

.search-box .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
}

.search-box input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

.search-box input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

/* -- Main Content -- */
.main-content {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 16px;
}

/* -- Hero Banner -- */
.hero-banner {
    position: relative;
    margin: 16px 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 160px;
}

.hero-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(17, 94, 89, 0.85), transparent);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
}

.hero-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-icon .icon {
    color: white;
}

.hero-title h1 {
    font-size: 18px;
    font-weight: 700;
    color: white;
}

.hero-desc {
    margin-top: 8px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 200px;
}

.hero-stats {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.hero-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
}

.hero-stat .icon {
    color: white;
    width: 14px;
    height: 14px;
}

.hero-stat span {
    font-size: 12px;
    font-weight: 500;
    color: white;
}

/* -- Section Header -- */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title h2 {
    font-size: 14px;
    font-weight: 600;
}

.section-title .icon {
    color: var(--color-primary);
}

.section-title.food .icon { color: var(--color-food); }
.section-title.scenic .icon { color: var(--color-scenic); }

.section-count {
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* -- Category Banner -- */
.category-banner {
    position: relative;
    height: 96px;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 12px;
}

.category-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-banner .banner-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.category-banner.food-banner .banner-overlay {
    background: linear-gradient(to right, rgba(249, 115, 22, 0.75), transparent);
}

.category-banner.scenic-banner .banner-overlay {
    background: linear-gradient(to right, rgba(59, 130, 246, 0.65), transparent);
}

.banner-text p {
    color: white;
    font-size: 13px;
    font-weight: 500;
}

.banner-text p.banner-big {
    font-size: 18px;
    font-weight: 700;
}

/* -- Station Card -- */
.station-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    animation: fadeIn 0.3s ease;
}

.station-card:hover {
    box-shadow: var(--shadow-md);
}

.station-photo {
    height: 140px;
    overflow: hidden;
}

.station-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.station-body {
    padding: 14px;
}

.station-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.station-info {
    flex: 1;
    min-width: 0;
}

.station-name {
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.station-address {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.station-address .icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.station-meta {
    margin-left: 12px;
    text-align: right;
    flex-shrink: 0;
}

.station-distance {
    font-size: 12px;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Station bottom row */
.station-bottom {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-top: 12px;
}

/* -- Buttons -- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

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

.btn-food {
    background: var(--color-food);
    color: white;
}

.btn-food:hover {
    background: var(--color-food-dark);
}

.btn-scenic {
    background: var(--color-scenic);
    color: white;
}

.btn-scenic:hover {
    background: var(--color-scenic-dark);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn .icon {
    width: 12px;
    height: 12px;
}

/* -- Food Card -- */
.food-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 12px;
    transition: all 0.2s ease;
    animation: fadeIn 0.3s ease;
}

.food-card:hover {
    box-shadow: var(--shadow-md);
}

.food-card-img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.food-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.food-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
}

.food-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.food-card-name {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.food-card-dist {
    font-size: 12px;
    color: var(--color-text-secondary);
    flex-shrink: 0;
    margin-left: 8px;
}

.food-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.food-category {
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--color-food-light);
    font-size: 11px;
    color: var(--color-food);
    font-weight: 500;
}

.food-card-desc {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.food-card-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
}

.food-card-address {
    font-size: 11px;
    color: var(--color-text-secondary);
}

/* -- Scenic Card -- */
.scenic-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    animation: fadeIn 0.3s ease;
}

.scenic-card:hover {
    box-shadow: var(--shadow-md);
}

.scenic-card-img {
    position: relative;
    height: 120px;
    overflow: hidden;
}

.scenic-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scenic-card-img .img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
}

.scenic-card-img .img-info {
    position: absolute;
    bottom: 8px;
    left: 12px;
    right: 12px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.scenic-card-img .img-info h3 {
    font-size: 14px;
    font-weight: 600;
    color: white;
}

.scenic-card-img .img-info .category {
    font-size: 11px;
    color: rgba(255,255,255,0.8);
}

.scenic-card-img .img-dist {
    font-size: 11px;
    color: white;
    background: rgba(0,0,0,0.4);
    padding: 2px 8px;
    border-radius: 4px;
}

.scenic-card-body {
    padding: 12px;
}

.scenic-card-desc {
    font-size: 12px;
    color: var(--color-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.scenic-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
}

.scenic-address {
    font-size: 11px;
    color: var(--color-text-secondary);
}

/* -- Bottom Navigation -- */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px));
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 4px 16px;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: all 0.2s ease;
}

.nav-item span {
    font-size: 11px;
    font-weight: 500;
}

.nav-item.active .icon {
    transform: scale(1.1);
}

.nav-item.charging-active {
    color: var(--color-primary);
}

.nav-item.food-active {
    color: var(--color-food);
}

.nav-item.scenic-active {
    color: var(--color-scenic);
}

/* -- Empty State -- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 0;
    text-align: center;
}

.empty-state .icon {
    width: 48px;
    height: 48px;
    color: var(--color-border);
}

.empty-state p {
    margin-top: 12px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* -- Animations -- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* -- Locating Bar -- */
.locating-bar {
    background: var(--color-primary-light);
    border-bottom: 1px solid var(--color-border);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.locating-bar.hidden {
    display: none;
}

.locating-bar-inner {
    max-width: 480px;
    margin: 0 auto;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.locating-bar-inner span {
    font-size: 13px;
    color: var(--color-primary-dark);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.locating-spin {
    animation: spin 1s linear infinite;
    color: var(--color-primary);
}

/* -- Responsive -- */
@media (min-width: 481px) {
    .main-content {
        padding: 0 24px;
    }
}