/* ========================================
   Learning OS — Account Center Styles
   ======================================== */

.account-layout {
    display: flex;
    min-height: 100vh;
    background: var(--color-gray-50);
}

.account-sidebar {
    width: 260px;
    background: var(--color-gray-900);
    color: var(--color-white);
    position: fixed;
    inset: 0 auto 0 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.account-sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-white);
    text-decoration: none;
    font-weight: 800;
}

.account-sidebar-badge {
    margin-left: auto;
    font-size: 0.625rem;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    background: rgba(99, 102, 241, 0.25);
    color: var(--color-primary-light);
}

.account-sidebar-nav {
    flex: 1;
    padding: 12px;
}

.account-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    border-radius: var(--radius-md);
    color: var(--color-gray-400);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 3px;
    transition: all var(--transition-fast);
}

.account-nav-item:hover,
.account-nav-item.active {
    color: var(--color-primary-light);
    background: rgba(99, 102, 241, 0.15);
}

.account-nav-item i {
    width: 18px;
    text-align: center;
}

.account-sidebar-footer {
    padding: 14px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.account-sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-gray-400);
    font-size: 0.8125rem;
}

.account-main {
    flex: 1;
    margin-left: 260px;
    min-width: 0;
}

.account-topbar {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.account-topbar-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-gray-900);
}

.account-topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.account-icon-btn,
.account-topbar-link {
    min-height: 36px;
    border: 1px solid var(--color-gray-200);
    background: var(--color-white);
    color: var(--color-gray-700);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
}

.account-content {
    padding: 32px;
}

.account-hero-card,
.account-card,
.account-table-wrapper,
.account-empty,
.account-unauthorized {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.account-hero-card {
    padding: 28px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
}

.account-eyebrow {
    color: var(--color-primary);
    font-weight: 800;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.account-hero-card h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin: 0 0 10px;
    color: var(--color-gray-900);
    letter-spacing: -0.04em;
}

.account-hero-card p {
    color: var(--color-gray-600);
    margin: 0;
    line-height: 1.7;
}

.account-plan-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: var(--radius-full);
    background: var(--color-primary-50);
    color: var(--color-primary);
    font-weight: 800;
    white-space: nowrap;
}

.account-stats-grid,
.account-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 24px;
}

.account-stat-card,
.account-card {
    padding: 22px;
}

.account-stat-card {
    min-width: 0;
    overflow: hidden;
}

.account-stat-label,
.account-field-label {
    color: var(--color-gray-500);
    font-size: 0.8125rem;
    font-weight: 700;
    margin-bottom: 7px;
}

.account-stat-value {
    color: var(--color-gray-900);
    font-size: clamp(1.35rem, 2.4vw, 1.75rem);
    font-weight: 900;
    line-height: 1.12;
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.account-license-value-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    min-width: 0;
}

.account-license-value {
    flex: 1;
    min-width: 0;
}

.account-copy-btn {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.account-copy-btn:hover {
    border-color: var(--color-primary-200);
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.account-copy-btn i {
    font-size: 0.8125rem;
    line-height: 1;
}

.account-license-hint {
    margin-top: 8px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    background: var(--color-warning-50, #FFF8E1);
    border: 1px solid var(--color-warning-200, #FFE082);
    color: var(--color-warning-700, #F57F17);
    font-size: 0.75rem;
    line-height: 1.6;
}

[data-theme="dark"] .account-license-hint {
    background: rgba(255, 152, 0, 0.1);
    border-color: rgba(255, 152, 0, 0.3);
    color: #FFB74D;
}

.account-stat-note,
.account-card p,
.account-muted {
    color: var(--color-gray-500);
    font-size: 0.875rem;
    line-height: 1.65;
    overflow-wrap: anywhere;
}

.account-card h2,
.account-card h3 {
    margin: 0 0 14px;
    color: var(--color-gray-900);
}

.account-feature-list,
.account-error-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.account-feature-list li,
.account-error-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--color-gray-700);
    line-height: 1.55;
}

.account-feature-list i {
    color: var(--color-success);
    margin-top: 3px;
}

.account-table-wrapper {
    overflow: hidden;
}

.account-table-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.account-table-title {
    font-weight: 800;
    color: var(--color-gray-900);
}

.account-table-scroll {
    overflow-x: auto;
}

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

.account-table th,
.account-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-gray-100);
    text-align: left;
    color: var(--color-gray-700);
    font-size: 0.875rem;
    white-space: nowrap;
}

.account-table th {
    color: var(--color-gray-500);
    font-weight: 800;
    background: var(--color-gray-50);
}

.account-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 800;
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

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

.account-badge-warning {
    background: var(--color-warning-light);
    color: #B45309;
}

.account-action-btn {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-gray-700);
    padding: 7px 10px;
    font-weight: 700;
    cursor: pointer;
}

.account-action-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary-200);
}

.account-form {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.account-input {
    flex: 1;
    min-width: 240px;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 12px 14px;
    background: var(--color-white);
    color: var(--color-gray-900);
    font: inherit;
}

.account-progress {
    width: 100%;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    overflow: hidden;
    margin-top: 12px;
}

.account-progress-bar {
    height: 100%;
    width: var(--progress, 0%);
    max-width: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-purple));
}

.account-empty,
.account-unauthorized {
    padding: 48px 28px;
    text-align: center;
}

.account-empty i,
.account-unauthorized i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 14px;
}

/* Login button inside unauthorized card — compact size */
.account-unauthorized .btn {
    padding: 8px 20px;
    min-height: 36px;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    color: #fff;
}

.account-unauthorized .btn i {
    color: #fff;
    font-size: 0.8125rem;
    line-height: 1;
    margin-bottom: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1em;
    height: 1em;
    vertical-align: middle;
}

.account-loading {
    padding: 48px;
    text-align: center;
    color: var(--color-gray-500);
}

.account-toast {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 3000;
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    background: var(--color-gray-900);
    color: #fff;
    box-shadow: var(--shadow-lg);
    font-weight: 700;
}

.account-toast-success {
    background: #059669;
}

.account-toast-error {
    background: #DC2626;
}

[data-theme="dark"] .account-layout {
    background: #0B0F1A;
}

[data-theme="dark"] .account-topbar,
[data-theme="dark"] .account-hero-card,
[data-theme="dark"] .account-card,
[data-theme="dark"] .account-table-wrapper,
[data-theme="dark"] .account-empty,
[data-theme="dark"] .account-unauthorized,
[data-theme="dark"] .account-icon-btn,
[data-theme="dark"] .account-topbar-link,
[data-theme="dark"] .account-action-btn,
[data-theme="dark"] .account-input {
    background: #111827;
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .account-table th {
    background: rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .account-copy-btn {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: #D1D5DB;
}

[data-theme="dark"] .account-copy-btn:hover {
    border-color: rgba(129, 140, 248, 0.35);
    background: rgba(129, 140, 248, 0.14);
    color: var(--color-primary-light, #818CF8);
}

[data-theme="dark"] .account-unauthorized .btn {
    color: #fff;
}

[data-theme="dark"] .account-unauthorized .btn i {
    color: #fff;
}

@media (max-width: 860px) {
    .account-layout {
        display: block;
    }

    .account-sidebar {
        position: static;
        width: 100%;
    }

    .account-sidebar-nav {
        display: flex;
        overflow-x: auto;
        padding: 10px;
    }

    .account-nav-item {
        white-space: nowrap;
    }

    .account-main {
        margin-left: 0;
    }

    .account-topbar,
    .account-content {
        padding: 18px;
    }

    .account-hero-card {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .account-topbar,
    .account-content {
        padding: 12px;
    }

    .account-hero-card {
        padding: 18px;
    }

    .account-hero-card h1 {
        font-size: 1.375rem;
    }

    .account-stats-grid,
    .account-card-grid {
        grid-template-columns: 1fr;
    }

    .account-stat-card,
    .account-card {
        padding: 16px;
    }

    .account-table th,
    .account-table td {
        padding: 10px 12px;
        font-size: 0.8125rem;
    }

    .account-table-header {
        padding: 14px 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .account-form {
        flex-direction: column;
    }

    .account-input {
        min-width: 0;
    }
}