@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.login-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 14px;
    color: #718096;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.error-message {
    background: #fed7d7;
    color: #c53030;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
}

.error-message.show {
    display: block;
}

/* Admin Dashboard */
.dashboard {
    min-height: 100vh;
    background: #f7fafc;
}

.navbar {
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 24px;
    font-weight: 700;
    color: #667eea;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-email {
    font-size: 14px;
    color: #4a5568;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-admin {
    background: #feebc8;
    color: #c05621;
}

.badge-user {
    background: #bee3f8;
    color: #2c5282;
}

.btn-logout {
    padding: 8px 16px;
    background: #e53e3e;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-logout:hover {
    background: #c53030;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a202c;
}

.btn-add {
    padding: 12px 24px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-add:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.users-table {
    background: white;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

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

thead {
    background: #f7fafc;
}

th {
    padding: 16px 24px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    color: #4a5568;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 16px 24px;
    border-top: 1px solid #e2e8f0;
    font-size: 14px;
    color: #2d3748;
}

.btn-icon {
    padding: 8px 12px;
    background: transparent;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    margin-right: 8px;
}

.btn-icon:hover {
    background: #f7fafc;
}

.btn-icon.edit:hover {
    background: #bee3f8;
    border-color: #3182ce;
    color: #2c5282;
}

.btn-icon.delete:hover {
    background: #fed7d7;
    border-color: #e53e3e;
    color: #c53030;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 32px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a202c;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 28px;
    color: #a0aec0;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: #f7fafc;
    color: #2d3748;
}

.modal-footer {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn-secondary {
    background: #e2e8f0;
    color: #2d3748;
    flex: 1;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

.btn-primary {
    flex: 1;
}

/* Loading State */
.loading {
    display: none;
    text-align: center;
    padding: 40px;
}

.loading.show {
    display: block;
}

.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #718096;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.empty-title {
    font-size: 20px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.empty-text {
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 16px;
    }
    
    .page-header {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }
    
    .users-table {
        overflow-x: auto;
    }
    
    table {
        min-width: 600px;
    }
}