:root {
    --primary: #5c6ac4;
    --primary-dark: #3a4bbb;
    --accent: #ffb347;
    --bg: #f6f8ff;
    --sidebar: #233044;
    --text: #1c1f2e;
    --muted: #6c728a;
    --card-bg: #ffffff;
    --border: #e0e6ff;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Sans-Serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all .2s ease;
}

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

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

.btn-success {
    background: #27ae60;
    color: #fff;
}

.btn-danger {
    background: #e05c43;
    color: #fff;
}

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

.btn-outline:hover {
    background: rgba(102, 126, 234, 0.08);
    border-color: var(--primary);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,.1);
}

.full-width {
    width: 100%;
}

/* 登录 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.login-form {
    max-width: 420px;
    margin: 60px auto;
    background: var(--card-bg);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,.08);
}

.login-form h2 {
    margin-bottom: 20px;
    color: var(--text);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 15px;
}

.form-group label {
    color: var(--muted);
    font-size: 14px;
}

.input-hint {
    display: block;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.4;
    margin-top: -4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fdfdff;
    font-size: 14px;
}

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

.form-group.horizontal {
    flex-direction: row;
    align-items: flex-end;
    gap: 15px;
}

.form-group.horizontal input {
    width: 250px;
}

/* App Shell */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: var(--sidebar);
    color: #fff;
    padding: 30px 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, #70a1ff, #3742fa);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
}

.brand-name {
    font-size: 16px;
    font-weight: 700;
}

.brand-sub {
    font-size: 12px;
    color: rgba(255,255,255,.7);
}

.primary-action {
    width: 100%;
    padding: 12px 16px;
    border-radius: 14px;
    border: none;
    background: linear-gradient(135deg, #42b6ff, #7a65ff);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: transform .2s ease;
}

.primary-action:hover {
    transform: translateY(-2px);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    text-align: left;
    padding: 12px 16px;
    border-radius: 12px;
    border: none;
    background: transparent;
    color: rgba(255,255,255,.7);
    font-weight: 500;
    cursor: pointer;
    transition: background .2s ease;
}

.nav-item.active,
.nav-item:hover {
    background: rgba(255,255,255,.12);
    color: #fff;
}

.sidebar-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.sidebar-footer-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.content-layout {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    padding: 30px;
}

.content-main {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.app-header {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 20px 40px rgba(0,0,0,.06);
}

.welcome {
    color: var(--muted);
}

.app-header h1 {
    font-size: 28px;
    margin: 4px 0;
}

.subtitle {
    color: var(--muted);
    font-size: 14px;
}

.balance-card {
    background: #f8f9ff;
    padding: 20px;
    border-radius: 18px;
    text-align: right;
    min-width: 220px;
    box-shadow: inset 0 0 0 1px #eef0ff;
}

.balance-card span {
    color: var(--muted);
    font-size: 13px;
}

.balance-card strong {
    display: block;
    font-size: 28px;
    margin: 8px 0;
    color: var(--primary-dark);
}

.card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 16px 30px rgba(0,0,0,.05);
}

.quick-access .section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 20px;
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

.quick-card {
    background: #f4f6ff;
    border-radius: 18px;
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text);
    transition: transform .2s ease;
}

.quick-card span {
    font-size: 24px;
}

.quick-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(92,106,196,.15);
}

.tabs-card {
    padding: 0;
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px 24px 0;
    border-bottom: 1px solid var(--border);
}

.tab {
    padding: 10px 18px;
    border-radius: 20px;
    background: #f1f2ff;
    border: none;
    cursor: pointer;
    color: var(--muted);
    font-weight: 600;
}

.tab.active {
    background: linear-gradient(135deg, #6a8dff, #7ed5ff);
    color: #fff;
}

.tab-content {
    display: none;
    padding: 24px;
}

.tab-content.active {
    display: block;
}

/* 模型价格卡片 */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.model-card {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    background: #fdfdff;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.model-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
}

.model-name {
    color: var(--text);
}

.model-status {
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(46, 213, 115, 0.1);
    color: #27ae60;
    font-size: 12px;
}

.model-points {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.model-points .label {
    color: var(--muted);
}

.model-points .value {
    font-weight: 600;
}

.model-price {
    font-size: 12px;
    color: var(--muted);
}

.model-desc {
    font-size: 12px;
    color: var(--muted);
}

.form-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 20px;
}

.two-cols {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.filter {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--muted);
}

.filter select {
    width: auto;
}

.api-key-item,
.task-item {
    padding: 16px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: #fdfdff;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.api-key-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.api-key-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--muted);
}

.api-key-meta {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--muted);
}

.api-key-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.api-access-panel {
    margin-top: 16px;
    padding: 16px;
    border-radius: 16px;
    border: 1px dashed var(--border);
    background: #fff;
}

.access-hint {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 10px;
}

.access-list {
    margin-bottom: 12px;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.api-access-panel textarea {
    width: 100%;
    min-height: 90px;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    resize: vertical;
    background: #fdfdff;
}

.task-item h3 {
    font-size: 16px;
}

.task-status {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    color: #fff;
}

.status-pending { background: #f39c12; }
.status-running { background: #3498db; }
.status-succeeded { background: #27ae60; }
.status-failed { background: #e74c3c; }

.link-btn {
    background: none;
    border: none;
    color: #667eea;
    cursor: pointer;
    font-size: 13px;
    padding: 0;
    text-decoration: underline;
}

.link-btn:hover {
    color: #4452f5;
}

.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background: #f8f9fa;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

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

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    color: #fff;
}

.status-success { background: #2ecc71; }
.status-fail { background: #e74c3c; }

.stats-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.panel-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 16px 30px rgba(0,0,0,.05);
}

.profile {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: linear-gradient(135deg, #ffafbd, #ffc3a0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
}

.storage-info {
    background: #f6f7ff;
    border-radius: 20px;
    padding: 20px;
}

.storage-header {
    font-size: 20px;
    margin-bottom: 12px;
}

.progress {
    display: flex;
    height: 8px;
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 16px;
    background: #e3e6ff;
}

.bar {
    display: block;
    height: 100%;
}

.bar.images { background: #48dbfb; width: 35%; }
.bar.videos { background: #ff6b6b; width: 20%; }
.bar.docs { background: #54a0ff; width: 15%; }
.bar.others { background: #5f27cd; width: 10%; }

.legend {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    color: var(--muted);
}

.legend .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 6px;
}

.dot.images { background: #48dbfb; }
.dot.videos { background: #ff6b6b; }
.dot.docs { background: #54a0ff; }
.dot.others { background: #5f27cd; }

.panel-card.upgrade {
    text-align: center;
    background: linear-gradient(135deg, #89f7fe, #66a6ff);
    color: #fff;
}

.panel-card.upgrade .btn-primary {
    background: rgba(255,255,255,.2);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(10, 14, 29, 0.65);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: #fff;
    border-radius: 24px;
    padding: 30px;
    width: min(520px, 92vw);
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 30px 60px rgba(0,0,0,.25);
    animation: modalSlideIn .3s ease;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.charge-packages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.package-card {
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 18px;
    text-align: center;
    cursor: pointer;
    transition: transform .2s ease, border .2s ease;
}

.package-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.package-card.selected {
    border-color: var(--primary);
    background: #f3f5ff;
}

.package-name {
    font-size: 13px;
    color: var(--muted);
}

.package-amount {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
}

.package-points {
    color: #2ecc71;
    font-size: 16px;
}

.package-bonus {
    color: #ff7675;
    font-size: 12px;
}