:root {
    --bg: #0f0f23;
    --bg-card: #1a1a2e;
    --bg-hover: #252542;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: #334155;
    --radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.app { min-height: 100vh; }

/* 登录页 */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 50px 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-logo { font-size: 4rem; margin-bottom: 15px; }
.login-box h1 { font-size: 1.8rem; font-weight: 600; margin-bottom: 8px; }
.login-box p { color: var(--text-muted); margin-bottom: 30px; }

.login-form { display: flex; flex-direction: column; gap: 15px; }
.login-form input {
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    transition: border-color 0.2s;
}
.login-form input:focus { outline: none; border-color: var(--primary); }
.login-form input::placeholder { color: var(--text-muted); }

.login-form button {
    padding: 14px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}
.login-form button:hover { background: var(--primary-hover); }

.login-error {
    color: var(--danger);
    font-size: 0.9rem;
    margin-top: 15px;
    min-height: 20px;
}

/* 主界面 */
.main-page { display: none; min-height: 100vh; }

/* 内容区 */
.content {
    flex: 1;
    padding: 30px;
    min-height: 100vh;
}

.content.no-sidebar {
    margin-left: 0;
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo {
    font-size: 2rem;
}

.page-header h2 { font-size: 1.5rem; font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 10px; }

/* 按钮 */
.btn {
    padding: 10px 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}
.btn:hover { background: var(--bg-hover); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--bg-hover); }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: white; }

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 25px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 25px;
    text-align: center;
}
.stat-value { font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-label { color: var(--text-muted); margin-top: 5px; font-size: 0.9rem; }

/* Token 操作按钮 */
.token-actions {
    display: flex;
    gap: 6px;
    flex-wrap: nowrap;
}
.token-actions .btn {
    padding: 6px 12px;
    font-size: 0.8rem;
    white-space: nowrap;
}
.btn-icon {
    padding: 6px 10px;
    min-width: auto;
}

/* 禁用状态行 */
tr.disabled-row td {
    opacity: 0.5;
}
tr.disabled-row:hover td {
    opacity: 0.7;
}

/* 卡片 */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

/* 表格 */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 15px 20px; text-align: left; }
th {
    background: var(--bg);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
}
td { border-top: 1px solid var(--border); }
tr:hover td { background: var(--bg-hover); }

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}
.badge-success { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: var(--danger); }
.badge-muted { background: rgba(148, 163, 184, 0.2); color: var(--text-muted); }

.token-text {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Key 列表 */
.key-list { padding: 10px; }
.key-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    transition: all 0.2s;
}
.key-item:hover { border-color: var(--primary); }
.key-item.disabled { opacity: 0.5; }

.key-info { flex: 1; }
.key-type {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 5px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 10px;
}
.key-type.social { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.key-type.idc { background: rgba(99, 102, 241, 0.2); color: var(--primary); }
.key-token { font-family: monospace; font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; }

.key-actions { display: flex; gap: 8px; }
.key-actions .btn { padding: 8px 14px; font-size: 0.8rem; }

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal.show { display: flex; }

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1.1rem; }
.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}
.modal-close:hover { color: var(--text); }

.modal-tabs {
    display: flex;
    padding: 15px 20px 0;
    gap: 10px;
}
.modal-tab {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}
.modal-tab:hover { border-color: var(--primary); }
.modal-tab.active { background: var(--primary); border-color: var(--primary); color: white; }

.modal-body { padding: 20px; }
.form-group { margin-bottom: 15px; }
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.form-group .required { color: var(--danger); }
.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font-size: 0.9rem;
}
.form-group input:focus { outline: none; border-color: var(--primary); }
.form-group input::placeholder { color: var(--text-muted); }

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 15px 20px;
    border-top: 1px solid var(--border);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 15px 25px;
    border-radius: 10px;
    color: white;
    font-weight: 500;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s;
    z-index: 1001;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* 响应式 */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .content { padding: 15px; }
    .stats-grid { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; gap: 15px; align-items: flex-start; }
    .header-actions { width: 100%; justify-content: flex-end; }
    .token-actions { flex-wrap: wrap; }
}