:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Header */
.header {
    background: var(--card-background);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-avatar-sm {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.user-avatar-sm.placeholder {
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-name {
    font-weight: 500;
}

.badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-weight: 500;
}

.badge.admin {
    background: #dbeafe;
    color: #1d4ed8;
}

.badge.viewer {
    background: #f1f5f9;
    color: #475569;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.2s;
}

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

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

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

.btn-secondary:hover {
    background: var(--background-color);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.btn-google {
    background: white;
    color: #1f2937;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    width: 100%;
    justify-content: center;
}

.btn-google:hover {
    background: #f9fafb;
    border-color: #d1d5db;
}

.btn-google svg {
    flex-shrink: 0;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 1rem;
}

.login-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.login-header {
    text-align: center;
    padding: 2rem 2rem 1rem;
}

.login-header h1 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
}

.login-body {
    padding: 1.5rem 2rem 2rem;
}

.login-footer {
    padding: 1rem 2rem;
    background: var(--background-color);
    text-align: center;
}

.login-footer p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Auth forms */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input {
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 0.625rem 1rem;
}

.form-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
    border-radius: 0.375rem;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.auth-link {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Main content */
.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.dashboard-main {
    padding: 2rem;
}

/* Welcome section */
.welcome-section {
    text-align: center;
    margin-bottom: 3rem;
}

.welcome-section h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.welcome-section p {
    color: var(--text-secondary);
}

/* App Cards */
.app-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.app-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.app-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.app-card-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-card-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.app-card-content {
    flex: 1;
}

.app-card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.app-card-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
}

.app-features li {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--background-color);
    border-radius: 0.25rem;
    color: var(--text-secondary);
}

.app-card-arrow {
    flex-shrink: 0;
}

.app-card-arrow svg {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
}

.app-card:hover .app-card-arrow svg {
    color: var(--primary-color);
}

/* Admin section */
.admin-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.admin-section h3 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-cards {
    display: flex;
    gap: 1rem;
}

.admin-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.admin-card:hover {
    border-color: var(--primary-color);
    background: #f0f9ff;
}

.admin-card svg {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
}

/* Users table */
.users-container {
    background: var(--card-background);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
}

.users-container h2 {
    margin-bottom: 0.25rem;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.users-table th,
.users-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.users-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.user-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.role-select {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    background: white;
    cursor: pointer;
}

.role-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .app-cards {
        grid-template-columns: 1fr;
    }

    .app-card {
        flex-direction: column;
        text-align: center;
    }

    .app-card-arrow {
        display: none;
    }

    .users-table {
        font-size: 0.875rem;
    }
}