/* ========== 全局重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f5f7fa;
    color: #333;
    font-size: 14px;
    line-height: 1.6;
    padding-bottom: env(safe-area-inset-bottom);
}

/* ========== 容器 ========== */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 16px 20px 30px;
    min-height: 100vh;
    background: #f5f7fa;
}

/* ========== 顶部导航 ========== */
.navbar {
    background: #2B7AF6;
    color: #fff;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(43, 122, 246, 0.3);
}

.navbar .back {
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
}
.navbar .back:hover { background: rgba(255,255,255,0.2); }

.navbar .title {
    font-size: 17px;
    font-weight: 600;
    flex: 1;
    text-align: center;
}

.navbar .right {
    font-size: 14px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
}
.navbar .right:hover { background: rgba(255,255,255,0.2); }

/* ========== 卡片 ========== */
.card {
    background: #fff;
    border-radius: 12px;
    padding: 16px 18px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: #1a2332;
    margin-bottom: 12px;
}

/* ========== 表单 ========== */
.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #555;
    margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #dce0e6;
    border-radius: 8px;
    font-size: 15px;
    background: #fafbfc;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #2B7AF6;
    box-shadow: 0 0 0 3px rgba(43, 122, 246, 0.15);
    background: #fff;
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.form-group .hint {
    font-size: 12px;
    color: #999;
    margin-top: 4px;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s;
    text-align: center;
    text-decoration: none;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-primary {
    background: #2B7AF6;
    color: #fff;
}
.btn-primary:hover { background: #1a66d9; }
.btn-primary:active { transform: scale(0.98); }

.btn-success {
    background: #34c759;
    color: #fff;
}
.btn-success:hover { background: #28a745; }

.btn-danger {
    background: #ff3b30;
    color: #fff;
}
.btn-danger:hover { background: #d63031; }

.btn-outline {
    background: transparent;
    color: #2B7AF6;
    border: 1.5px solid #2B7AF6;
}
.btn-outline:hover { background: #f0f7ff; }

.btn-secondary {
    background: #e8ecf1;
    color: #333;
}
.btn-secondary:hover { background: #d5dbe3; }

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ========== 菜单网格 ========== */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 8px;
}

.menu-item {
    background: #fff;
    border-radius: 12px;
    padding: 18px 8px 14px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}
.menu-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.10);
}
.menu-item:active {
    transform: scale(0.95);
}
.menu-item .icon {
    font-size: 32px;
    display: block;
    margin-bottom: 6px;
}
.menu-item .label {
    font-size: 13px;
    font-weight: 500;
    color: #1a2332;
}
.menu-item .desc {
    font-size: 11px;
    color: #999;
    margin-top: 2px;
}

/* ========== 用户信息条 ========== */
.user-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0 4px;
    margin-bottom: 4px;
}
.user-bar .name {
    font-size: 16px;
    font-weight: 600;
}
.user-bar .role {
    font-size: 12px;
    background: #e8ecf1;
    padding: 2px 12px;
    border-radius: 20px;
    color: #555;
}

/* ========== 车辆列表 ========== */
.vehicle-item {
    background: #fff;
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    cursor: pointer;
    transition: all 0.2s;
    border-left: 4px solid #2B7AF6;
}
.vehicle-item:hover { background: #f8faff; }
.vehicle-item .vin {
    font-weight: 600;
    font-size: 15px;
    color: #1a2332;
    font-family: "Courier New", monospace;
}
.vehicle-item .brand {
    font-size: 14px;
    color: #555;
    margin-top: 2px;
}
.vehicle-item .info {
    font-size: 12px;
    color: #999;
    margin-top: 4px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.vehicle-item .info span { background: #f0f2f5; padding: 0 8px; border-radius: 4px; }

/* ========== 空状态 ========== */
.empty {
    text-align: center;
    padding: 40px 20px;
    color: #999;
}
.empty .icon { font-size: 48px; display: block; margin-bottom: 12px; }
.empty p { font-size: 14px; }

/* ========== 加载更多 ========== */
.load-more {
    text-align: center;
    padding: 12px;
    color: #999;
    font-size: 13px;
    cursor: pointer;
}
.load-more:hover { color: #2B7AF6; }

/* ========== Toast ========== */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(0,0,0,0.75);
    color: #fff;
    padding: 16px 28px;
    border-radius: 12px;
    font-size: 15px;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s;
    text-align: center;
    max-width: 80%;
}
.toast.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ========== 价格隐藏 ========== */
.price-hidden {
    filter: blur(8px);
    user-select: none;
    background: #f0f2f5;
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
    font-size: 14px;
}
.price-hidden:hover { filter: blur(0); background: #ffeaa7; }

/* ========== 工具类 ========== */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.text-center { text-align: center; }
.text-muted { color: #999; font-size: 13px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }

/* ========== 响应式 ========== */
@media (max-width: 480px) {
    .container { padding: 12px 14px 24px; }
    .menu-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
    .container { max-width: 600px; padding: 24px 30px; }
    .menu-grid { grid-template-columns: repeat(3, 1fr); }
}