/* ==========================================================================
   GymSaaS Platform Admin Dashboard Styling
   Deep Space Dark & Emerald Glow Theme
   ========================================================================== */

:root {
    --admin-bg: #070a13;
    --admin-sidebar-bg: #0b0f1a;
    --admin-sidebar-border: rgba(255, 255, 255, 0.06);
    --admin-card-bg: #111726;
    --admin-card-border: rgba(255, 255, 255, 0.08);
    --admin-row-hover: #161f33;
    --admin-input-bg: #182030;
    --admin-input-border: #232e42;
    --admin-primary: #22c55e;
    --admin-primary-hover: #16a34a;
    --admin-cyan: #06b6d4;
    --admin-amber: #f59e0b;
    --admin-purple: #8b5cf6;
    --admin-danger: #ef4444;
    --admin-text-main: #f8fafc;
    --admin-text-muted: #8896ab;
    --admin-text-dim: #4e5d78;
}

/* ==========================================================================
   Main Layout: Sidebar + Content Area
   ========================================================================== */
.admin-layout {
    display: flex;
    min-height: 100vh;
    background-color: var(--admin-bg);
    color: var(--admin-text-main);
}

/* ==========================================================================
   Sidebar
   ========================================================================== */
.admin-sidebar {
    width: 260px;
    background-color: var(--admin-sidebar-bg);
    border-right: 1px solid var(--admin-sidebar-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--admin-sidebar-border);
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
    border: 1px solid rgba(34, 197, 94, 0.35);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-primary);
}

.brand-info {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
}

.brand-badge {
    font-size: 0.7rem;
    color: var(--admin-primary);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    padding: 1.25rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    overflow-y: auto;
}

.nav-section-title {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--admin-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 1rem 0.75rem 0.4rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    color: var(--admin-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.04);
    color: var(--admin-text-main);
}

.nav-item.active {
    background-color: rgba(34, 197, 94, 0.12);
    color: var(--admin-primary);
    border-left: 3px solid var(--admin-primary);
    border-top-left-radius: 2px;
    border-bottom-left-radius: 2px;
}

.nav-item-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-tag {
    margin-left: auto;
    font-size: 0.65rem;
    background-color: rgba(255, 255, 255, 0.06);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    color: var(--admin-text-dim);
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--admin-sidebar-border);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-user-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.02);
}

.avatar-circle {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #ffffff;
}

.user-meta {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.7rem;
    color: var(--admin-primary);
    font-weight: 500;
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem;
    font-size: 0.82rem;
    color: var(--admin-text-muted);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.btn-logout:hover {
    background-color: rgba(239, 68, 68, 0.12);
    color: var(--admin-danger);
    border-color: rgba(239, 68, 68, 0.25);
}

/* ==========================================================================
   Admin Main Area
   ========================================================================== */
.admin-main {
    flex: 1;
    padding: 2rem 2.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    max-width: 1400px;
}

/* Topbar */
.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.page-title {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
}

.page-subtitle {
    font-size: 0.9rem;
    color: var(--admin-text-muted);
    margin-top: 0.25rem;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: #ffffff;
    border: none;
    padding: 0.65rem 1.25rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(34, 197, 94, 0.3);
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.45);
}

/* ==========================================================================
   KPI Cards Grid
   ========================================================================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.kpi-card {
    background-color: var(--admin-card-bg);
    border: 1px solid var(--admin-card-border);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.kpi-card:hover {
    transform: translateY(-2px);
}

.kpi-icon-wrap {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kpi-content {
    display: flex;
    flex-direction: column;
}

.kpi-label {
    font-size: 0.8rem;
    color: var(--admin-text-muted);
    font-weight: 500;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.2;
    margin: 0.2rem 0;
}

.kpi-hint {
    font-size: 0.72rem;
    color: var(--admin-text-dim);
}

/* KPI Card Color Variants */
.card-cyan .kpi-icon-wrap {
    background: rgba(6, 182, 212, 0.12);
    border: 1px solid rgba(6, 182, 212, 0.25);
    color: var(--admin-cyan);
}
.card-cyan:hover { border-color: rgba(6, 182, 212, 0.4); }

.card-green .kpi-icon-wrap {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.25);
    color: var(--admin-primary);
}
.card-green:hover { border-color: rgba(34, 197, 94, 0.4); }

.card-amber .kpi-icon-wrap {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.25);
    color: var(--admin-amber);
}
.card-amber:hover { border-color: rgba(245, 158, 11, 0.4); }

.card-purple .kpi-icon-wrap {
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.25);
    color: var(--admin-purple);
}
.card-purple:hover { border-color: rgba(139, 92, 246, 0.4); }

/* ==========================================================================
   Panel & Data Table
   ========================================================================== */
.panel-card {
    background-color: var(--admin-card-bg);
    border: 1px solid var(--admin-card-border);
    border-radius: 14px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
}

.panel-subtitle {
    font-size: 0.82rem;
    color: var(--admin-text-muted);
    margin-top: 0.2rem;
}

.toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.search-input-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--admin-input-bg);
    border: 1px solid var(--admin-input-border);
    border-radius: 8px;
    padding: 0.5rem 0.85rem;
    width: 280px;
    transition: border-color 0.2s ease;
}

.search-input-wrap:focus-within {
    border-color: var(--admin-primary);
}

.search-input-wrap svg {
    color: var(--admin-text-dim);
}

.search-input-wrap input {
    background: transparent;
    border: none;
    outline: none;
    color: #ffffff;
    font-size: 0.85rem;
    width: 100%;
}

.search-input-wrap input::placeholder {
    color: var(--admin-text-dim);
}

.filter-wrap select {
    background-color: var(--admin-input-bg);
    border: 1px solid var(--admin-input-border);
    color: #ffffff;
    border-radius: 8px;
    padding: 0.5rem 0.85rem;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.filter-wrap select:focus {
    border-color: var(--admin-primary);
}

/* ==========================================================================
   Data Table Styling
   ========================================================================== */
.table-meta {
    font-size: 0.82rem;
    color: var(--admin-text-muted);
}

.table-responsive {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table thead {
    background-color: rgba(255, 255, 255, 0.02);
}

.data-table th {
    padding: 0.85rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--admin-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.data-table td {
    padding: 0.9rem 1rem;
    font-size: 0.87rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--admin-text-main);
    vertical-align: middle;
}

.data-table tr:hover td {
    background-color: var(--admin-row-hover);
}

.tenant-code-badge {
    display: inline-block;
    font-family: monospace;
    font-weight: 700;
    font-size: 0.82rem;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    background-color: rgba(6, 182, 212, 0.12);
    color: var(--admin-cyan);
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.tenant-name-col {
    display: flex;
    flex-direction: column;
}

.tenant-name-col strong {
    font-weight: 600;
    color: #ffffff;
}

.tenant-id-hint {
    font-size: 0.7rem;
    color: var(--admin-text-dim);
    font-family: monospace;
}

.contact-info {
    display: flex;
    flex-direction: column;
    font-size: 0.82rem;
}

.date-text {
    font-size: 0.8rem;
    color: var(--admin-text-muted);
}

/* Status Pills */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.65rem;
    border-radius: 20px;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-active {
    background-color: rgba(34, 197, 94, 0.12);
    color: var(--admin-primary);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.status-active .status-dot {
    background-color: var(--admin-primary);
    box-shadow: 0 0 6px var(--admin-primary);
}

.status-inactive {
    background-color: rgba(239, 68, 68, 0.12);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-inactive .status-dot {
    background-color: var(--admin-danger);
}

/* Action Buttons */
.action-btn {
    border: none;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.35rem 0.85rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-suspend {
    background-color: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.btn-suspend:hover {
    background-color: rgba(239, 68, 68, 0.22);
    border-color: var(--admin-danger);
}

.btn-activate {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--admin-primary);
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.btn-activate:hover {
    background-color: rgba(34, 197, 94, 0.22);
    border-color: var(--admin-primary);
}

/* Alert Boxes */
.alert-success {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background-color: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.35);
    color: #86efac;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.alert-error {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background-color: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fca5a5;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

/* Empty State */
.empty-table-cell {
    padding: 3rem 1rem !important;
    text-align: center;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--admin-text-dim);
}

/* ==========================================================================
   Modal Dialog
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1.5rem;
    transition: opacity 0.2s ease;
}

.modal-backdrop.hidden {
    display: none;
}

.modal-dialog {
    background-color: #0e1424;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    width: 100%;
    max-width: 580px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    overflow: hidden;
    animation: modalSlideIn 0.25s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background-color: rgba(255, 255, 255, 0.01);
}

.modal-title-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(34, 197, 94, 0.12);
    color: var(--admin-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
}

.modal-subtitle {
    font-size: 0.78rem;
    color: var(--admin-text-muted);
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--admin-text-muted);
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.btn-close:hover {
    background-color: rgba(255, 255, 255, 0.06);
    color: #ffffff;
}

.modal-body {
    padding: 1.5rem;
    max-height: 80vh;
    overflow-y: auto;
}

/* Modal Form Styles */
.form-section-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--admin-cyan);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.75rem;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 0.9rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--admin-text-muted);
}

.form-group .input-wrapper input {
    width: 100%;
    background-color: var(--admin-input-bg);
    border: 1px solid var(--admin-input-border);
    border-radius: 8px;
    padding: 0.65rem 0.85rem;
    color: #ffffff;
    font-size: 0.88rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-group .input-wrapper input:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.15);
}

.form-group.has-error .input-wrapper input {
    border-color: var(--admin-danger);
}

.field-error {
    font-size: 0.72rem;
    color: var(--admin-danger);
}

.field-hint {
    font-size: 0.7rem;
    color: var(--admin-text-dim);
}

.modal-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-cancel {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--admin-text-muted);
    padding: 0.65rem 1.15rem;
    border-radius: 8px;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-cancel:hover {
    background-color: rgba(255, 255, 255, 0.04);
    color: #ffffff;
}

.spinner-inline {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    display: inline-block;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* HTMX Loading state indicator */
.htmx-indicator {
    display: none;
}
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
    display: inline-block;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 900px) {
    .admin-layout {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .admin-main {
        padding: 1.5rem 1rem;
    }

    .form-row-2 {
        grid-template-columns: 1fr;
    }
}