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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #1f2937;
}

.container {
    min-height: 100vh;
}

/* Page Transitions */
.page {
    display: none;
}

.page.active {
    display: block;
}

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

.login-box {
    background: white;
    padding: 48px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 440px;
    animation: fadeInUp 0.5s ease;
}

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

.logo {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.login-box h1 {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #111827;
}

.subtitle {
    text-align: center;
    color: #6b7280;
    margin-bottom: 32px;
    font-size: 15px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #374151;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #4F46E5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 14px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-container input {
    margin-right: 8px;
    cursor: pointer;
}

.forgot-password {
    color: #4F46E5;
    text-decoration: none;
    font-weight: 500;
}

.forgot-password:hover {
    text-decoration: underline;
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: #4F46E5;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: #4338CA;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.error-message {
    margin-top: 16px;
    padding: 12px;
    background: #FEE2E2;
    color: #991B1B;
    border-radius: 8px;
    font-size: 14px;
    display: none;
}

.error-message.show {
    display: block;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.login-footer {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
    text-align: center;
    color: #6b7280;
    font-size: 13px;
}

.login-footer code {
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #4F46E5;
}

/* Dashboard */
#dashboardPage {
    background: #f9fafb;
}

.navbar {
    background: white;
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: #111827;
}

.nav-brand svg {
    width: 40px;
    height: 40px;
}

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

.nav-user span {
    color: #6b7280;
    font-size: 14px;
}

.btn-logout {
    padding: 8px 16px;
    background: #f3f4f6;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    color: #374151;
    transition: all 0.2s;
}

.btn-logout:hover {
    background: #e5e7eb;
}

.dashboard-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px;
}

.dashboard-header {
    margin-bottom: 32px;
}

.dashboard-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 4px;
}

.dashboard-header p {
    color: #6b7280;
    font-size: 16px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 16px;
    transition: all 0.2s;
}

.stat-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.blue { background: #EFF6FF; color: #3B82F6; }
.stat-icon.green { background: #F0FDF4; color: #22C55E; }
.stat-icon.purple { background: #FAF5FF; color: #A855F7; }
.stat-icon.orange { background: #FFF7ED; color: #F97316; }

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 4px;
}

.stat-change {
    font-size: 13px;
}

.stat-change.positive { color: #22C55E; }
.stat-change.negative { color: #EF4444; }
.stat-change.neutral { color: #6b7280; }

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

.table-header {
    padding: 24px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.table-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #111827;
}

.table-actions {
    display: flex;
    gap: 12px;
}

.search-input {
    padding: 8px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    font-size: 14px;
    width: 240px;
}

.search-input:focus {
    outline: none;
    border-color: #4F46E5;
}

.btn-secondary {
    padding: 8px 16px;
    background: #4F46E5;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: #4338CA;
}

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

.data-table thead {
    background: #f9fafb;
}

.data-table th {
    padding: 16px 24px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 16px 24px;
    border-top: 1px solid #e5e7eb;
    font-size: 14px;
}

.data-table tbody tr:hover {
    background: #f9fafb;
}

.text-right {
    text-align: right;
}

.loading {
    text-align: center;
    color: #6b7280;
    padding: 48px !important;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge.success {
    background: #D1FAE5;
    color: #065F46;
}

.badge.warning {
    background: #FEF3C7;
    color: #92400E;
}

.badge.error {
    background: #FEE2E2;
    color: #991B1B;
}

/* Responsive */
@media (max-width: 768px) {
    .login-box {
        padding: 32px 24px;
    }

    .dashboard-content {
        padding: 16px;
    }

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

    .table-header {
        flex-direction: column;
        align-items: stretch;
    }

    .table-actions {
        flex-direction: column;
    }

    .search-input {
        width: 100%;
    }

    .data-table {
        font-size: 13px;
    }

    .data-table th,
    .data-table td {
        padding: 12px;
    }
}