:root {
    --primary: #16a34a;
    --primary-light: #22c55e;
    --primary-dark: #15803d;
    --primary-bg: #f0fdf4;
    --success: #16a34a;
    --success-bg: #f0fdf4;
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --warning: #dc2626;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.paie-simulator * {
    box-sizing: border-box;
}

.paie-simulator {
    font-family: var(--font);
    color: var(--gray-800);
    line-height: 1.5;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

.paie-simulator h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin: 0 0 0.25rem;
}

.paie-simulator h1 span { color: var(--gray-500); font-weight: 400; }

.paie-simulator .subtitle {
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
    margin: 0 0 1.5rem;
}

.sim-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .sim-grid { grid-template-columns: 1fr 1fr; }
}

.form-card, .results-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.form-card .card-header, .results-card .card-header {
    padding: 1rem 1.25rem;
    background: var(--primary-bg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-card .card-header h2, .results-card .card-header h2 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin: 0;
}

.card-body { padding: 1.25rem; }

.form-row {
    margin-bottom: 1rem;
}

.form-row label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.3rem;
}

.form-row label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-row select, .form-row input[type="text"], .form-row input[type="number"] {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-size: 0.9rem;
    font-family: var(--font);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--gray-800);
    transition: border-color 0.15s, box-shadow 0.15s;
    appearance: auto;
}

.form-row select:focus, .form-row input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(22,163,74,0.15);
}

.form-row select:hover { border-color: var(--gray-400); }

.radio-group {
    display: flex;
    gap: 0.75rem;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.875rem;
    font-weight: 400;
    cursor: pointer;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    transition: all 0.15s;
    margin-bottom: 0;
}

.radio-group label:hover { border-color: var(--primary-light); }

.radio-group input[type="radio"] {
    accent-color: var(--primary);
    margin: 0;
}

.radio-group input[type="radio"]:checked + span { font-weight: 600; }

.radio-group label:has(input[type="radio"]:checked) {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.btn-submit {
    display: block;
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font);
    color: #fff;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s;
    margin-top: 0.5rem;
}

.btn-submit:hover { opacity: 0.92; }
.btn-submit:active { transform: scale(0.98); }

.results-placeholder {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray-400);
}

.results-placeholder svg { opacity: 0.3; margin-bottom: 1rem; }

.results-placeholder h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-500);
    margin: 0 0 0.3rem;
}

.results-placeholder p {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin: 0;
}

.salary-card {
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.salary-card.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
}

.salary-card.secondary { background: var(--success-bg); border: 1px solid #a7f3d0; }
.salary-card.tertiary { background: #fff; border: 1px solid var(--primary-light); }

.salary-card .card-icon {
    flex-shrink: 0;
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.15);
    border-radius: 8px;
}

.salary-card.secondary .card-icon { background: var(--success); color: #fff; }
.salary-card.tertiary .card-icon { background: var(--primary-light); color: #fff; }

.salary-card .card-content { flex: 1; }

.salary-card h3, .salary-card h4 {
    margin: 0 0 0.3rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.85;
}

.salary-card.secondary h4, .salary-card.tertiary h4 { color: var(--gray-600); }

.amount-primary {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.2;
}

.amount-secondary {
    font-size: 1rem;
    opacity: 0.8;
    margin-top: 0.15rem;
}

.amount { font-size: 1.2rem; font-weight: 700; color: var(--gray-800); }
.amount-sm { font-size: 0.9rem; color: var(--gray-500); margin-top: 0.1rem; }

.btn-details {
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    width: 100%;
    padding: 0.6rem;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font);
    color: var(--primary);
    background: #fff;
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s;
}

.btn-details:hover { background: var(--primary-bg); }

.btn-details svg { transition: transform 0.2s; }

.breakdown-table { margin-top: 1rem; }

.breakdown-table h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    margin: 0 0 0.5rem;
}

.breakdown-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.breakdown-table th {
    background: var(--gray-100);
    padding: 0.5rem 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
}

.breakdown-table th.text-right,
.breakdown-table td.text-right { text-align: right; }
.breakdown-table td.text-center { text-align: center; }

.breakdown-table td {
    padding: 0.45rem 0.75rem;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.breakdown-table tr:hover td { background: var(--gray-50); }

.breakdown-table .gains { color: var(--success); font-weight: 500; }
.breakdown-table .deductions { color: var(--danger); font-weight: 500; }
.breakdown-table .deduction-row td { background: var(--danger-bg); }
.breakdown-table .total-row td { background: var(--primary-bg); font-weight: 600; }
.breakdown-table .spacer-row td { height: 0.5rem; border: none; background: none; }
.breakdown-table .bonus-row td { background: var(--success-bg); }
.breakdown-table .bonus-row .bonus { color: var(--success); font-weight: 600; }

.action-buttons {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.btn-action {
    flex: 1;
    display: flex; align-items: center; justify-content: center; gap: 0.4rem;
    padding: 0.55rem;
    font-size: 0.85rem;
    font-family: var(--font);
    font-weight: 500;
    color: var(--gray-700);
    background: #fff;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
}

.btn-action:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.legal-notice {
    margin-top: 1.5rem;
    padding: 0.75rem 1rem;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.copy-notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--gray-800);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: var(--font);
    opacity: 0;
    transition: all 0.3s;
    z-index: 1000;
}

.copy-notification.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 767px) {
    .paie-simulator { padding: 0.75rem 0.5rem; }
    .paie-simulator h1 { font-size: 1.2rem; }
    .radio-group { flex-direction: column; }
    .action-buttons { flex-direction: column; }
}

.paie-simulator.rtl { direction: rtl; }
.paie-simulator.rtl .radio-group label { flex-direction: row-reverse; }
.paie-simulator.rtl .breakdown-table th,
.paie-simulator.rtl .breakdown-table td { text-align: right; }
.paie-simulator.rtl .breakdown-table th.text-right,
.paie-simulator.rtl .breakdown-table td.text-right { text-align: left; }