/* LBS平台 - 公共样式文件 */

:root {
    --primary-color: #1890ff;
    --primary-light: #70b5ff;
    --primary-dark: #1677cc;
    --success-color: #52c41a;
    --success-light: #73d13d;
    --danger-color: #ff4d4f;
    --danger-light: #ff7875;
    --warning-color: #fa8c16;
    --text-color: #333;
    --text-muted: #999;
    --bg-color: #f5f5f5;
    --border-color: #ddd;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --spacing: 15px;
    --spacing-sm: 10px;
    --spacing-lg: 20px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.12);
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 14px;
    line-height: 1.5;
}

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

input, button, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

input[type="text"],
input[type="password"],
input[type="tel"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: #fff;
    transition: border-color 0.3s;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

.container {
    max-width: 750px;
    margin: 0 auto;
    padding: var(--spacing);
    padding-bottom: 70px;
}

.card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: var(--spacing);
    margin-bottom: var(--spacing);
    box-shadow: var(--shadow);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), var(--success-light));
    color: #fff;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), var(--danger-light));
    color: #fff;
}

.btn-outline {
    background: #fff;
    border: 1px solid var(--border-color);
    color: #666;
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

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

.form-group {
    margin-bottom: var(--spacing);
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #666;
}

.list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing) 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    background: #fff;
    border-top: 1px solid #eee;
    z-index: 100;
    max-width: 750px;
    margin: 0 auto;
}

.bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 0;
    color: var(--text-muted);
    font-size: 12px;
}

.bottom-nav-item i {
    font-size: 22px;
    margin-bottom: 4px;
}

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

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: #fff;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    width: 90%;
    max-width: 400px;
    transform: scale(0.9);
    transition: transform 0.3s;
}

.modal-overlay.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing);
}

.modal-title {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    font-size: 24px;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-body {
    margin-bottom: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    gap: var(--spacing-sm);
}

.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 15px;
    color: #d9d9d9;
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 15px;
}

.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.75);
    color: #fff;
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.toast.show {
    opacity: 1;
    visibility: visible;
}

.loading {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 10px;
    vertical-align: middle;
}

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

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }
.text-muted { color: var(--text-muted); }

.mt-10 { margin-top: 10px; }
.mt-15 { margin-top: var(--spacing); }
.mt-20 { margin-top: 20px; }
.mb-10 { margin-bottom: 10px; }
.mb-15 { margin-bottom: var(--spacing); }
.mb-20 { margin-bottom: 20px; }

.flex { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-10 { gap: 10px; }
.gap-15 { gap: var(--spacing); }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing);
    background: #fff;
    margin-bottom: var(--spacing);
}

.page-header h1 {
    font-size: 18px;
    font-weight: 600;
}

.back-btn {
    font-size: 20px;
    color: var(--text-color);
    padding: 5px 10px;
}

.progress-bar {
    height: 6px;
    background: #f0f0f0;
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-inner {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 3px;
    transition: width 0.3s;
}

.user-info {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    background: #fff;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing);
}

.user-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #f0f0f0;
    margin-right: var(--spacing);
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-details h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.user-details p {
    font-size: 13px;
    color: var(--text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing);
}

.stat-item {
    background: #fff;
    border-radius: var(--border-radius);
    padding: var(--spacing);
    text-align: center;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

@media screen and (max-width: 480px) {
    body {
        font-size: 13px;
    }

    .container {
        padding: 10px;
        padding-bottom: 70px;
    }
}