/* Main Styles */
:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #222;
    --muted-color: #6c757d;
    --border-color: #e5e7eb;
    --input-bg: #ffffff;
    --input-border: #ced4da;
}

[data-theme="dark"] {
    --primary-color: #7aa2f7;
    --secondary-color: #52d273;
    --warning-color: #f6c344;
    --danger-color: #f45d5d;
    --dark-color: #0f172a;
    --light-color: #e5e7eb;
    --bg-color: #0b1120;
    --card-bg: #111827;
    --text-color: #e5e7eb;
    --muted-color: #94a3b8;
    --border-color: #1f2937;
    --input-bg: #0f172a;
    --input-border: #1f2937;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
}

/* Calculator Cards */
.calculator-card {
    border: 1px solid var(--border-color);
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--card-bg);
    color: var(--text-color);
}

.calculator-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
}

.calculator-icon {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Form Styles */
.calculator-form {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.form-control, .form-select {
    background-color: var(--input-bg);
    color: var(--text-color);
    border-color: var(--input-border);
}

.form-control:disabled, .form-select:disabled {
    background-color: var(--input-bg);
}

/* Results Card */
.result-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    padding: 30px;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .calculator-form {
        padding: 20px;
    }
    .hero-section h1 {
        font-size: 2.5rem;
    }
}

/* Admin Dashboard Styles */
.admin-sidebar {
    background-color: var(--dark-color);
    min-height: 100vh;
    color: var(--light-color);
}

.admin-sidebar .nav-link {
    color: var(--light-color);
    padding: 10px 20px;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    background-color: var(--primary-color);
    color: #fff;
}

/* Dashboard sidebar (user) */
.dashboard-sidebar {
    background: var(--dark-color);
    min-height: 100vh;
    color: var(--light-color);
}

.dashboard-sidebar .nav-link {
    color: var(--light-color);
}

.dashboard-sidebar .nav-link:hover,
.dashboard-sidebar .nav-link.active {
    background: var(--primary-color);
    color: #fff;
}

/* Animation for results */
.animate-result {
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}