:root {
    --primary: #009999;
    --primary-light: #00b3b3;
    --secondary: #2c3e50;
    --bg-color: #f4f7f6;
    --card-bg: #ffffff;
    --text-main: #333333;
    --text-muted: #666666;
    --white: #ffffff;
    --danger: #e74c3c;
    --success: #2ecc71;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --radius: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

header {
    margin-bottom: 0rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h6 {
    color: var(--primary);
    font-weight: 800;
    font-size: 12px;
    letter-spacing: -0.5px;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.2rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.form-group {
    margin-bottom: 0.8rem;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 0.4rem 0.6rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 153, 153, 0.1);
}

.form-control:disabled {
    background-color: #f9f9f9;
    cursor: not-allowed;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--white);
}

.section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.8rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid #eee;
}

.transport-section {
    display: none;
    background: #f8fbfa;
    padding: 1rem;
    border-radius: 6px;
    border: 1px dashed var(--primary);
    margin-top: 0.8rem;
}

.transport-section.active {
    display: block;
}

.actions {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.2rem;
}

.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-danger { background: #f8d7da; color: #721c24; }

/* Checkbox Toggle Styling */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

.checkbox-group input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.totals-card {
    background: var(--secondary);
    color: white;
}

.totals-card .section-title {
    color: #00dcdc;
    border-color: rgba(255,255,255,0.1);
}

.indicator {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

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

.card {
    animation: fadeIn 0.5s ease-out;
}