/* CSS Variables */
:root {
    --bg-primary: #0f0f14;
    --bg-secondary: #16161d;
    --bg-tertiary: #1c1c26;
    --bg-card: #1e1e28;
    --border-color: #2a2a38;
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.2s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

#app {
    min-height: 100vh;
}

.screen {
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Login Screen */
.login-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: 
        radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(139, 92, 246, 0.1) 0%, transparent 40%),
        var(--bg-primary);
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    text-align: center;
}

.login-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 320px;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-google {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-google:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.btn-microsoft {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-microsoft:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.btn-apple {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.btn-apple:hover {
    background: #e4e4e7;
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 0.5rem 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.divider span {
    padding: 0 1rem;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    border: none;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.terms {
    margin-top: 2rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 280px;
}

/* Dashboard Layout */
#dashboard-screen {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

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

.sidebar-header span {
    font-weight: 600;
    font-size: 1.125rem;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-gradient);
    color: white;
}

.sidebar-footer {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-details span:first-child {
    font-weight: 500;
    font-size: 0.9375rem;
}

.org-badge {
    font-size: 0.75rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.btn-signout {
    width: 100%;
    padding: 0.625rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-signout:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    overflow-x: hidden;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.content-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.content-header p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-top: 0.25rem;
}

.org-selector {
    padding: 0.625rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
    cursor: pointer;
}

.content-section {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

/* Search Bar */
.search-bar {
    margin-bottom: 1.5rem;
}

.search-bar input {
    width: 100%;
    max-width: 400px;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.search-bar input::placeholder {
    color: var(--text-muted);
}

/* Data Table */
.data-table-container {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

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

.data-table th,
.data-table td {
    padding: 1rem 1.25rem;
    text-align: left;
}

.data-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    font-size: 0.9375rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--bg-tertiary);
}

.data-table .btn-view {
    padding: 0.375rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: var(--transition);
}

.data-table .btn-view:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

/* Loading & Empty States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

/* Therapy Section */
.user-detail-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.user-detail-header label {
    font-weight: 500;
    color: var(--text-secondary);
}

.user-detail-header input {
    flex: 1;
    max-width: 300px;
    padding: 0.625rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
}

.user-detail-header input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.therapy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.therapy-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
}

.therapy-card h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.therapy-card .value {
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.therapy-card .label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Export Section */
.export-form {
    max-width: 480px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 2rem;
}

.export-form h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.export-result {
    margin-top: 2rem;
}

.result-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--success);
    padding: 1.5rem;
    max-width: 480px;
}

.result-card h4 {
    color: var(--success);
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.result-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Invite Section */
.invite-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.invite-form {
    max-width: 480px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 2rem;
}

.invite-form h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.invite-result {
    max-width: 480px;
}

.invite-result .result-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
}

.invite-result .result-card svg {
    margin-bottom: 1rem;
}

.result-success {
    border-color: var(--success);
}

.result-success h4 {
    color: var(--success);
}

.result-success svg {
    color: var(--success);
}

.result-error {
    border-color: var(--error);
}

.result-error h4 {
    color: var(--error);
}

.result-error svg {
    color: var(--error);
}

.recent-invites {
    max-width: 600px;
}

.recent-invites h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.invites-list {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.invites-list .empty-state {
    padding: 2rem;
    margin: 0;
}

.invite-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.invite-item:last-child {
    border-bottom: none;
}

.invite-item:hover {
    background: var(--bg-tertiary);
}

.invite-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.invite-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.invite-email {
    font-weight: 500;
    font-size: 0.9375rem;
}

.invite-time {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.invite-status {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
}

.invite-status.sent {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.invite-status.pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--text-muted);
}

.btn-danger {
    background: var(--error);
    color: white;
    border: none;
}

.btn-danger:hover {
    opacity: 0.9;
}

/* Admin Section */
.admin-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.admin-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: var(--transition);
}

.admin-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.admin-tab.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.admin-tab-content.hidden {
    display: none;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.admin-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

/* Role and Status Badges */
.role-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.role-admin {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.role-therapist {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
}

.role-researcher {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-approved {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.status-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.status-disabled {
    background: rgba(113, 113, 122, 0.15);
    color: var(--text-muted);
}

/* Action Buttons */
.actions-cell {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.btn-icon-danger:hover {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

/* Organizations Grid */
.orgs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.org-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: var(--transition);
}

.org-card:hover {
    border-color: var(--accent-primary);
}

.org-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.org-card-header svg {
    color: var(--accent-primary);
}

.org-card-header h4 {
    font-size: 1rem;
    font-weight: 600;
}

.org-card-footer {
    display: flex;
    justify-content: flex-end;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 480px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.2s ease;
}

.modal-small {
    max-width: 400px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

.modal-error {
    padding: 0.75rem 1.5rem;
    background: rgba(239, 68, 68, 0.1);
    border-top: 1px solid var(--error);
    color: var(--error);
    font-size: 0.875rem;
}

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

/* Checkbox Group */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    max-height: 150px;
    overflow-y: auto;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-primary);
}

/* Form Hint */
.form-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Info Box */
.info-box {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-md);
    margin-top: 1rem;
}

.info-box svg {
    flex-shrink: 0;
    color: var(--accent-primary);
}

.info-box p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .therapy-grid {
        grid-template-columns: 1fr;
    }
}