/* 订阅服务 - 全局样式 */
:root {
    --bg: #0f1419;
    --surface: #1a2332;
    --border: #2d3a4d;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --primary: #58a6ff;
    --primary-hover: #79b8ff;
    --danger: #f85149;
    --danger-hover: #ff7b72;
    --success: #3fb950;
    --radius: 8px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 560px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.container-wide {
    max-width: 900px;
}

.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    color: var(--text);
}

.page-header p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.card-narrow {
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

.card h2 {
    font-size: 1.15rem;
    margin: 0 0 1rem 0;
    font-weight: 600;
}

.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.card-head h2 {
    margin: 0;
}

.inline-form {
    display: inline-block;
}

/* 服务器地址列表（前端） */
.server-links {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
}

.server-links li {
    margin-bottom: 0.5rem;
}

.server-links a {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--primary);
    text-decoration: none;
}

.server-links a:hover {
    background: rgba(88, 166, 255, 0.1);
    border-color: var(--primary);
}

/* 管理后台：添加服务器表单同行 */
.form-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
}

.form-inline label {
    margin-bottom: 0;
    flex: 1;
    min-width: 140px;
}

.form-inline .btn {
    flex-shrink: 0;
}

.text-muted {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0 0 1rem 0;
}

/* 表单 */
.form label {
    display: block;
    margin-bottom: 1rem;
}

.form label span {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form input[type="text"],
.form input[type="password"],
.form input[type="email"],
.form textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-size: 1rem;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
}

.form textarea {
    resize: vertical;
    min-height: 120px;
}

.form input:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-footer {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-footer a {
    color: var(--primary);
    text-decoration: none;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
}

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

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

.btn-secondary {
    background: var(--border);
    color: var(--text);
}

.btn-secondary:hover {
    background: #3d4d66;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-sm {
    padding: 0.3rem 0.6rem;
    font-size: 0.85rem;
}

/* 订阅链接框 */
.sub-box {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
}

.sub-input {
    flex: 1;
    padding: 0.6rem 0.75rem;
    font-size: 0.9rem;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: "Consolas", "Monaco", monospace;
}

/* 提示框 */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-error {
    background: rgba(248, 81, 73, 0.15);
    border: 1px solid var(--danger);
    color: #ff7b72;
}

.alert-success {
    background: rgba(63, 185, 80, 0.15);
    border: 1px solid var(--success);
    color: #56d364;
}

/* 表格（管理后台） */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.table th,
.table td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    color: var(--text-muted);
    font-weight: 500;
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.mono {
    font-family: "Consolas", "Monaco", monospace;
    font-size: 0.8rem;
    word-break: break-all;
}

.page-footer {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.page-footer a {
    color: var(--primary);
    text-decoration: none;
}

.page-footer a:hover {
    text-decoration: underline;
}

.page-footer a + a {
    margin-left: 0.5rem;
}