:root {
    --primary-color: #1a73e8;
    --primary-hover: #1557b0;
    --secondary-color: #5f6368;
    --success-color: #2e7d32;
    --danger-color: #d32f2f;
    --warning-color: #f9a825;
    --info-color: #0288d1;
    --light-color: #f5f7fa;
    --dark-color: #202124;
    --worker-color: #673ab7;
    --employer-color: #2e7d32;
    --body-bg: #ffffff;
    --card-bg: #ffffff;
}

[data-bs-theme="dark"] {
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --body-bg: #181a1b;
    --card-bg: #252729;
    --light-color: #e8eaed;
    --dark-color: #ffffff;
}

body {
    padding-top: 4.5rem;
    background-color: var(--body-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--dark-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
}

.navbar {
    background-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 0.75rem 1rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--light-color);
    display: flex;
    align-items: center;
    transition: color 0.2s ease;
}

.navbar-brand:hover {
    color: var(--light-color);
    filter: brightness(1.1);
}

.nav-link {
    font-weight: 500;
    color: var(--light-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.1s ease;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--light-color);
    transform: translateY(-1px);
}

.nav-link.active {
    background-color: var(--primary-hover);
    color: var(--light-color);
    font-weight: 600;
}

.navbar-nav {
    gap: 0.5rem;
}

.dropdown-menu {
    background-color: var(--card-bg);
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-radius: 8px;
    margin-top: 0.5rem;
}

.dropdown-item {
    color: var(--dark-color);
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

.card {
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border: none;
    border-radius: 12px;
    background-color: var(--card-bg);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.12);
}

.card-header {
    font-weight: 600;
    background-color: var(--primary-color);
    color: white;
    border-radius: 12px 12px 0 0;
    padding: 1rem 1.5rem;
}

.user-type-indicator {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    color: white;
    font-weight: 500;
}

.worker-indicator {
    background-color: var(--worker-color);
}

.employer-indicator {
    background-color: var(--employer-color);
}

.referral-link-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
}

.referral-link-btn {
    background-color: var(--worker-color);
    color: white;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    border: none;
}

.referral-link-btn:hover, .referral-link-btn:focus {
    background-color: var(--worker-color);
    filter: brightness(1.1);
    transform: scale(1.05);
    outline: none;
}

footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 2.5rem 0;
    margin-top: auto;
}

footer a {
    color: var(--light-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: var(--info-color);
}

.theme-toggle {
    cursor: pointer;
    border: none;
    background: none;
    color: var(--light-color);
    font-size: 1.25rem;
    transition: color 0.2s ease, transform 0.2s ease;
}

.theme-toggle:hover {
    color: var(--light-color);
    transform: scale(1.1);
}

.loading-spinner {
    display: none;
    width: 1.5rem;
    height: 1.5rem;
    border: 0.2rem solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-right: 0.5rem;
}

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

@media (max-width: 768px) {
    body {
        padding-top: 4rem;
    }

    .navbar {
        padding: 0.5rem 1rem;
    }

    .navbar-nav {
        gap: 0.25rem;
        padding: 0.5rem;
        background-color: var(--card-bg);
        border-radius: 8px;
        margin-top: 0.5rem;
    }

    .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 6px;
        color: var(--dark-color);
    }

    .nav-link:hover {
        background-color: var(--light-color);
        color: var(--primary-color);
    }

    .nav-link.active {
        background-color: var(--primary-color);
        color: var(--light-color);
    }

    .card {
        margin-bottom: 1rem;
    }

    footer .col-md-4 {
        margin-bottom: 1.5rem;
    }

    .referral-link-btn {
        width: 2.5rem;
        height: 2.5rem;
    }

    .navbar-toggler {
        border: none;
        padding: 0.25rem 0.5rem;
    }

    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
}

@media print {
    .navbar, footer, .referral-link-container {
        display: none !important;
    }

    body {
        padding: 0;
        background-color: white !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #e0e0e0 !important;
    }
}