:root {
    --tech-bg: #f0f2f5;
    --tech-card-bg: #ffffff;
    --tech-text-main: #333333;
    --tech-text-secondary: #666666;
    --tech-primary: #0ea5e9; /* Sky blue */
    --tech-primary-hover: #0284c7;
    --tech-border: #e2e8f0;
    --tech-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --tech-radius: 0.5rem;
    --tech-font: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--tech-bg);
    color: var(--tech-text-main);
    font-family: var(--tech-font);
}

.tech-card {
    background: var(--tech-card-bg);
    border-radius: var(--tech-radius);
    box-shadow: var(--tech-shadow);
    border: 1px solid var(--tech-border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tech-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.tech-header {
    color: var(--tech-primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--tech-border);
    padding-bottom: 0.5rem;
    display: inline-block;
    font-size: 1.5rem;
}

.tech-btn {
    background-color: var(--tech-primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--tech-radius);
    transition: background-color 0.2s;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
}

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

.tech-btn-outline {
    background-color: transparent;
    color: var(--tech-primary);
    border: 1px solid var(--tech-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--tech-radius);
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
}

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

.tech-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--tech-card-bg);
    border-radius: var(--tech-radius);
    overflow: hidden;
    box-shadow: var(--tech-shadow);
    margin-bottom: 1rem;
}

.tech-table thead {
    background-color: #f8fafc;
}

.tech-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--tech-text-secondary);
    border-bottom: 1px solid var(--tech-border);
}

.tech-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--tech-border);
    color: var(--tech-text-main);
    vertical-align: middle;
}

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

.tech-table tr:hover {
    background-color: #f1f5f9;
}

/* Navbar overrides */
.navbar {
    background-color: var(--tech-card-bg) !important;
    box-shadow: var(--tech-shadow) !important;
    border-bottom: none !important;
}

.nav-link {
    color: var(--tech-text-secondary) !important;
    font-weight: 500;
}

.nav-link:hover, .nav-link.active {
    color: var(--tech-primary) !important;
}

/* Footer overrides */
.footer {
    background-color: var(--tech-card-bg);
    border-top: 1px solid var(--tech-border) !important;
    padding: 1rem 0;
    margin-top: auto;
}

/* Form controls */
.form-control {
    border-radius: var(--tech-radius);
    border: 1px solid var(--tech-border);
    padding: 0.5rem 1rem;
}

.form-control:focus {
    border-color: var(--tech-primary);
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}