* {
    box-sizing: border-box;
}
:root {
    --bg-body: #f4f7fc;
    --bg-card: white;
    --text-primary: #1e293b;
    --text-secondary: #4b5563;
    --border: #e2e8f0;
    --header-bg: linear-gradient(135deg, #1e4a76 0%, #0f2c44 100%);
    --btn-primary: #1e4a76;
    --btn-primary-hover: #0f3a5e;
    --card-shadow: 0 4px 12px rgba(0,0,0,0.05);
    --stat-bg: #f8fafc;
    --legal-bg: #eef4fa;
    --info-bg: #f9f2e0;
    --summary-bg: #eaf7e6;
}
body.dark {
    --bg-body: #121826;
    --bg-card: #1e293b;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --border: #334155;
    --header-bg: linear-gradient(135deg, #0f2c44 0%, #071a2a 100%);
    --btn-primary: #2c6e8f;
    --btn-primary-hover: #1e526c;
    --card-shadow: 0 4px 12px rgba(0,0,0,0.3);
    --stat-bg: #0f172a;
    --legal-bg: #1e293b;
    --info-bg: #2d2a1e;
    --summary-bg: #1a2e1a;
}
body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-body);
    margin: 0;
    padding: 20px;
    line-height: 1.5;
    color: var(--text-primary);
    transition: background 0.3s, color 0.3s;
}
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: 32px;
    box-shadow: 0 20px 35px -12px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: background 0.3s;
}
.header {
    background: var(--header-bg);
    color: white;
    padding: 20px 32px;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.header h1 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.3px;
}
.back-link {
    background: rgba(255,255,255,0.15);
    padding: 6px 14px;
    border-radius: 40px;
    text-decoration: none;
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.back-link:hover {
    background: rgba(255,255,255,0.3);
}
.dark-mode-toggle {
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 40px;
    padding: 6px 16px;
    color: white;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.8rem;
    backdrop-filter: blur(4px);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.progress-bar {
    display: flex;
    justify-content: space-between;
    background: var(--bg-card);
    padding: 16px 32px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 10px;
    transition: background 0.3s, border 0.3s;
}
.step-dot {
    background: #e2e8f0;
    padding: 6px 18px;
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #1e4a76;
}
body.dark .step-dot {
    background: #334155;
    color: #94a3b8;
}
.step-dot.active {
    background: #1e4a76;
    color: white;
}
body.dark .step-dot.active {
    background: #2c6e8f;
}
.pantalla {
    display: none;
    padding: 32px;
}
.active {
    display: block;
}
.card-info, .legal-box, .warning-box, .summary-box {
    padding: 18px;
    border-radius: 20px;
    margin: 20px 0;
    font-size: 0.9rem;
}
.warning-box {
    background: #fef5e8;
    border-left: 5px solid #e67e22;
}
body.dark .warning-box {
    background: #2d2a1e;
    border-left-color: #e67e22;
}
.legal-box {
    background: var(--legal-bg);
    border-left: 4px solid #1e4a76;
}
.card-info {
    background: #f0f7fc;
    border-left: 4px solid #5fa3c1;
}
body.dark .card-info {
    background: #1e293b;
}
.summary-box {
    background: var(--summary-bg);
    border-left: 4px solid #2e7d32;
}
.input-ui, select.input-ui {
    width: 100%;
    padding: 12px 18px;
    border: 1px solid var(--border);
    border-radius: 48px;
    font-size: 1rem;
    margin: 10px 0 15px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
}
.btn-group {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    flex-wrap: wrap;
}
button {
    padding: 10px 26px;
    border: none;
    border-radius: 48px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    font-family: 'Inter', sans-serif;
}
.btn-primary {
    background: var(--btn-primary);
    color: white;
}
.btn-primary:hover {
    background: var(--btn-primary-hover);
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--btn-primary);
}
.btn-outline:hover {
    background: var(--legal-bg);
}
.btn-danger {
    background: #d96c6c;
    color: white;
}
.btn-danger:hover {
    background: #b55151;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.85rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}
th, td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
    vertical-align: top;
}
th {
    background: var(--stat-bg);
    font-weight: 600;
    color: var(--text-primary);
}
.check-group {
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.check-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 500;
}
.info-text {
    background: var(--info-bg);
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.85rem;
    margin-top: 8px;
    margin-bottom: 16px;
}
.dashboard-card {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border);
    transition: background 0.3s;
}
.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--stat-bg);
    border-radius: 20px;
    padding: 16px;
    text-align: center;
}
.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--btn-primary);
}
.badge {
    background: #eef2ff;
    padding: 4px 12px;
    border-radius: 40px;
    font-size: 0.7rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 8px;
}
body.dark .badge {
    background: #2c6e8f;
    color: white;
}
.percentage-input {
    margin-top: 10px;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

/* Para que el resultado no desborde y quede en línea aparte */
.resultado-porcentaje {
    width: 100%;
    margin-top: 10px;
    padding: 12px 16px;
    background: var(--info-bg);
    border-radius: 16px;
    font-weight: 500;
    box-sizing: border-box;
}

.percentage-input input {
    width: 100px;
    padding: 6px 10px;
    border-radius: 40px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
}

.error-msg {
    color: #e74c3c;
    font-size: 0.8rem;
    margin-top: -5px;
    margin-bottom: 10px;
}
@media (max-width: 700px) {
    .pantalla { padding: 20px; }
    .progress-bar { padding: 12px 20px; }
    .step-dot { font-size: 0.7rem; padding: 4px 12px; }
    .header h1 { font-size: 1.1rem; }
    .grid-2col { grid-template-columns: 1fr; }
    .header { flex-direction: column; align-items: flex-start; }
    .header-actions { align-self: flex-end; }
}
details summary {
    list-style: none; /* oculta el triángulo por defecto si querés personalizarlo después */
}
.btn-info {
    background: var(--legal-bg);
    border: 1px solid var(--btn-primary);
    color: var(--btn-primary);
}
.btn-info:hover {
    background: var(--btn-primary);
    color: white;
}
details summary::-webkit-details-marker {
    display: none;
}
details summary::before {
    content: '▸ ';
    display: inline-block;
    transition: transform 0.2s;
}
details[open] summary::before {
    transform: rotate(90deg);
}