:root {
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --text: #122033;
    --text-soft: #5f6b7a;
    --line: #e7edf4;
    --primary: #1f3b67;
    --primary-soft: #ebf2ff;
    --accent: #d4af37;
    --danger: #c0392b;
    --danger-soft: #fff2f0;
    --success: #1f8f5f;
    --success-soft: #edf9f3;
    --warning: #b7791f;
    --warning-soft: #fff8eb;
    --shadow: 0 18px 44px rgba(18, 32, 51, 0.08);
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: linear-gradient(180deg, #f7f9fc 0%, var(--bg) 100%);
    color: var(--text);
    line-height: 1.6;
}

button,
input {
    font: inherit;
}

.page-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(231, 237, 244, 0.9);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary) 0%, #0f2747 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    letter-spacing: 0.06em;
    box-shadow: 0 10px 24px rgba(31, 59, 103, 0.28);
}

.brand-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
}

.brand-subtitle {
    margin: 2px 0 0;
    font-size: 12px;
    color: var(--text-soft);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.layout {
    max-width: 1280px;
    margin: 30px auto;
    padding: 0 24px 32px;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 24px;
    width: 100%;
}

.panel {
    background: var(--surface);
    border: 1px solid rgba(231, 237, 244, 0.8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.sidebar {
    padding: 22px;
    position: sticky;
    top: 98px;
    height: fit-content;
}

.user-card {
    padding: 22px;
    border-radius: 18px;
    background: linear-gradient(180deg, #1f3b67 0%, #132846 100%);
    color: #fff;
    overflow: hidden;
    position: relative;
}

.user-card::after {
    content: "";
    position: absolute;
    inset: auto -28px -38px auto;
    width: 130px;
    height: 130px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.avatar {
    width: 72px;
    height: 72px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.14);
    margin-bottom: 16px;
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
    display: block;
}

.user-card h1 {
    margin: 0;
    font-size: 22px;
}

.user-meta {
    margin: 8px 0 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.78);
    word-break: break-all;
}

.badge-row {
    margin-top: 16px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    background: var(--primary-soft);
    color: var(--primary);
}

.badge-success {
    background: var(--success-soft);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-soft);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-soft);
    color: var(--danger);
}

.sidebar-nav {
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-button {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--text-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    text-align: left;
    padding: 14px 16px;
    border-radius: 14px;
    cursor: pointer;
    transition: 0.2s ease;
}

.nav-button:hover,
.nav-button.active {
    background: var(--primary-soft);
    color: var(--primary);
}

.admin-entry {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.admin-entry-title {
    margin: 0 0 10px;
    font-size: 12px;
    color: var(--text-soft);
    letter-spacing: 0.04em;
}

.content {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
}

.hero {
    padding: 24px 26px;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 18px;
}

.hero-main h2 {
    margin: 0 0 10px;
    font-size: 26px;
}

.hero-main p {
    margin: 0;
    color: var(--text-soft);
    max-width: 720px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.stat-card {
    padding: 16px;
    border-radius: 16px;
    background: var(--surface-soft);
    border: 1px solid var(--line);
}

.stat-label {
    margin: 0 0 8px;
    font-size: 12px;
    color: var(--text-soft);
}

.stat-value {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
}

.tab-panel {
    display: none;
    padding: 26px;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.24s ease;
}

.section-title {
    margin: 0 0 20px;
    font-size: 20px;
}

.grid-two {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.info-card,
.security-card,
.app-card,
.empty-card,
.log-card,
.ban-card {
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
}

.info-label,
.helper-text {
    color: var(--text-soft);
    font-size: 13px;
}

.info-value {
    margin-top: 6px;
    font-size: 16px;
    font-weight: 600;
    word-break: break-word;
}

.card-title {
    margin: 0 0 8px;
    font-size: 16px;
}

.action-row {
    margin-top: 14px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn {
    border: 0;
    border-radius: 12px;
    padding: 10px 16px;
    cursor: pointer;
    font-weight: 600;
    transition: 0.2s ease;
}

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

.btn-primary:hover {
    background: #173152;
}

.btn-secondary {
    background: var(--surface-soft);
    color: var(--text);
    border: 1px solid var(--line);
}

.btn-secondary:hover {
    background: #f0f5fb;
}

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

.btn-danger:hover {
    background: #aa2f23;
}

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

.btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.app-head {
    display: flex;
    align-items: center;
    gap: 14px;
}

.app-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: linear-gradient(135deg, #e9f1ff 0%, #f4f7fb 100%);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    border: 1px solid rgba(31, 59, 103, 0.08);
}

.app-name {
    margin: 0;
    font-size: 16px;
}

.app-desc {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--text-soft);
}

.table-wrap {
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid var(--line);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

th,
td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}

th {
    background: #f9fbfd;
    color: var(--text-soft);
    font-weight: 600;
}

tr:last-child td {
    border-bottom: 0;
}

.status-banner {
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    background: var(--surface-soft);
}

.status-banner strong {
    display: block;
    margin-bottom: 4px;
}

.state-screen {
    padding: 50px 30px;
    text-align: center;
    color: var(--text-soft);
}

.state-screen h3 {
    margin: 0 0 10px;
    color: var(--text);
}

.hidden {
    display: none !important;
}

.modal-root {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(14, 23, 37, 0.42);
    backdrop-filter: blur(8px);
}

.modal-root.active {
    display: flex;
}

.modal-card {
    width: min(520px, 100%);
    background: var(--surface);
    border-radius: 22px;
    box-shadow: 0 24px 64px rgba(18, 32, 51, 0.24);
    border: 1px solid rgba(231, 237, 244, 0.9);
    overflow: hidden;
}

.modal-header,
.modal-footer {
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.modal-header {
    border-bottom: 1px solid var(--line);
}

.modal-footer {
    border-top: 1px solid var(--line);
    justify-content: flex-end;
}

.modal-body {
    padding: 22px;
}

.modal-title {
    margin: 0;
    font-size: 18px;
}

.icon-button {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--surface-soft);
    cursor: pointer;
}

.form-group {
    margin-bottom: 14px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-soft);
}

.form-input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px 14px;
    background: #fff;
    outline: none;
    transition: 0.2s ease;
}

.form-input:focus {
    border-color: rgba(31, 59, 103, 0.45);
    box-shadow: 0 0 0 4px rgba(31, 59, 103, 0.08);
}

.choice-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.choice-option {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px 14px;
    background: #fff;
    color: var(--text);
    text-align: left;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s ease;
}

.choice-option:hover {
    background: #f5f8fc;
}

.choice-option.active {
    border-color: rgba(31, 59, 103, 0.38);
    background: var(--primary-soft);
    color: var(--primary);
    box-shadow: 0 0 0 4px rgba(31, 59, 103, 0.08);
}

.inline-note {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-soft);
}

.toast-stack {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 120;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 260px;
    max-width: 360px;
    background: rgba(18, 32, 51, 0.96);
    color: #fff;
    padding: 14px 16px;
    border-radius: 14px;
    box-shadow: 0 16px 36px rgba(18, 32, 51, 0.22);
}

.toast.success {
    background: rgba(31, 143, 95, 0.96);
}

.toast.error {
    background: rgba(192, 57, 43, 0.96);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 960px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .header-inner,
    .layout {
        padding-left: 16px;
        padding-right: 16px;
    }

    .layout {
        margin-top: 20px;
    }

    .hero,
    .tab-panel,
    .sidebar {
        padding: 18px;
    }

    .grid-two,
    .hero-stats,
    .choice-group {
        grid-template-columns: 1fr;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-start;
    }
}