/* Config row */
.config-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

@media (max-width: 620px) {
    .config-row {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 400px) {
    .config-row {
        grid-template-columns: 1fr;
    }
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.input-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary, #64748b);
}

.label-hint {
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--primary, #6366f1);
    margin-left: 0.2rem;
}

.styled-select,
.styled-input {
    padding: 0.55rem 0.75rem;
    border: 2px solid var(--border, #e2e8f0);
    border-radius: 8px;
    font-size: 0.9rem;
    background: var(--surface, #fff);
    color: var(--text, #1e293b);
    transition: border-color .2s;
    width: 100%;
    box-sizing: border-box;
}

.styled-select:focus,
.styled-input:focus {
    outline: none;
    border-color: var(--primary, #6366f1);
}

/* Mode toggle */
.mode-toggle-wrap {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.mode-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    border: 2px solid var(--border, #e2e8f0);
    border-radius: 8px;
    background: var(--surface, #fff);
    color: var(--text-secondary, #64748b);
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .18s;
}

.mode-toggle-btn:hover {
    border-color: var(--primary, #6366f1);
    color: var(--primary, #6366f1);
}

.mode-toggle-btn.mode-active {
    background: var(--primary, #6366f1);
    border-color: var(--primary, #6366f1);
    color: #fff;
}

/* Panel hints */
.panel-hint {
    font-size: 0.85rem;
    color: var(--text-secondary, #64748b);
    margin-bottom: 1rem;
}

.panel-note {
    font-size: 0.83rem;
    color: var(--text-secondary, #64748b);
    margin-top: 0.5rem;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.panel-note i {
    color: var(--primary, #6366f1);
}

/* Modo rápido */
.rapido-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

@media (max-width: 480px) {
    .rapido-grid {
        grid-template-columns: 1fr;
    }
}

/* Modo avanzado: lista de evaluaciones */
.evaluaciones-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2rem;
    gap: 0.5rem;
    padding: 0 0.25rem 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary, #64748b);
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--border, #e2e8f0);
    margin-bottom: 0.5rem;
}

.evaluacion-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2rem;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.4rem;
}

.evaluacion-row input {
    padding: 0.45rem 0.6rem;
    border: 2px solid var(--border, #e2e8f0);
    border-radius: 7px;
    font-size: 0.88rem;
    background: var(--surface, #fff);
    color: var(--text, #1e293b);
    width: 100%;
    box-sizing: border-box;
    transition: border-color .18s;
}

.evaluacion-row input:focus {
    outline: none;
    border-color: var(--primary, #6366f1);
}

.btn-del-row {
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 6px;
    background: #fef2f2;
    color: #ef4444;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s;
    flex-shrink: 0;
}

.btn-del-row:hover {
    background: #fee2e2;
}

.evaluaciones-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0.75rem 0 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.btn-add-row {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    border: 2px dashed var(--primary, #6366f1);
    border-radius: 8px;
    background: transparent;
    color: var(--primary, #6366f1);
    font-size: 0.84rem;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s;
}

.btn-add-row:hover {
    background: var(--primary-light, #eef2ff);
}

.peso-total-label {
    font-size: 0.84rem;
    color: var(--text-secondary, #64748b);
}

.peso-total-label strong {
    color: var(--text, #1e293b);
}

.peso-total-label.peso-ok strong {
    color: #10b981;
}

.peso-total-label.peso-warn strong {
    color: #f59e0b;
}

.peso-total-label.peso-err strong {
    color: #ef4444;
}

/* Fila examen final (avanzado) */
.final-exam-row {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    padding: 0.85rem 1rem;
    background: var(--primary-light, #eef2ff);
    border: 2px solid var(--primary, #6366f1);
    border-radius: 10px;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.final-exam-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary, #6366f1);
    flex: 1;
    min-width: 160px;
}

.final-exam-label em {
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--text-secondary, #64748b);
}

.final-exam-row .input-group {
    min-width: 140px;
}

/* Botón calcular */
.btn-calc {
    width: 100%;
    padding: 0.9rem;
    background: var(--primary, #6366f1);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background .2s, transform .1s;
    margin-top: 0.5rem;
}

.btn-calc:hover {
    background: var(--primary-dark, #4f46e5);
}

.btn-calc:active {
    transform: scale(.98);
}

/* Resultado */
.result-nota {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.8rem;
    box-shadow: var(--shadow);
    margin: 1.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Hero nota */
.nota-hero {
    border-radius: 14px;
    padding: 1.5rem 1.75rem;
    text-align: center;
    color: #fff;
    background: linear-gradient(135deg, var(--primary, #6366f1) 0%, var(--primary-dark, #4f46e5) 100%);
}

.nota-hero.hero-ok {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.nota-hero.hero-warn {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.nota-hero.hero-hard {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.nota-hero.hero-imposible {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
}

.nota-hero-label {
    font-size: 0.85rem;
    font-weight: 600;
    opacity: .85;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 0.4rem;
}

.nota-hero-value {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.35rem;
}

.nota-hero-sub {
    font-size: 0.9rem;
    opacity: .85;
}

/* Barra dificultad */
.dificultad-wrap {}

.dificultad-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary, #64748b);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 0.4rem;
}

.dificultad-track {
    height: 10px;
    background: linear-gradient(to right, #10b981 0%, #f59e0b 50%, #ef4444 80%, #6b7280 100%);
    border-radius: 99px;
    position: relative;
    margin-bottom: 0.35rem;
}

.dificultad-tags {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--text-secondary, #64748b);
}

/* Escenarios */
.escenarios-section h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.escenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.5rem;
}

.escenario-chip {
    text-align: center;
    padding: 0.65rem 0.5rem;
    border-radius: 10px;
    border: 1.5px solid var(--border, #e2e8f0);
    background: var(--surface, #fff);
}

.escenario-chip.esc-target {
    border-color: var(--primary, #6366f1);
    background: var(--primary-light, #eef2ff);
}

.esc-exam {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary, #64748b);
    margin-bottom: 0.15rem;
}

.esc-final {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text, #1e293b);
}

.esc-label {
    font-size: 0.7rem;
    margin-top: 0.1rem;
    font-weight: 600;
}

.esc-aprueba {
    color: #10b981;
}

.esc-suspende {
    color: #ef4444;
}

/* Desglose */
.breakdown-nota {
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 10px;
    overflow: hidden;
}

.breakdown-nota table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.86rem;
}

.breakdown-nota th {
    padding: 0.55rem 1rem;
    background: var(--surface-alt, #f8fafc);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary, #64748b);
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 2px solid var(--border, #e2e8f0);
    text-align: left;
}

.breakdown-nota td {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border, #e2e8f0);
    color: var(--text, #1e293b);
}

.breakdown-nota tr:last-child td {
    border-bottom: none;
}

.breakdown-nota tr.bd-final td {
    font-weight: 700;
    background: var(--primary-light, #eef2ff);
    color: var(--primary, #6366f1);
}

.breakdown-nota tr.bd-total td {
    font-weight: 700;
    background: var(--surface-alt, #f8fafc);
}

.bd-pill {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
}

.pill-ok {
    background: #d1fae5;
    color: #065f46;
}

.pill-pend {
    background: #eef2ff;
    color: #4338ca;
}

/* Error */
.calc-error {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 10px;
    color: #b91c1c;
    font-size: 0.9rem;
    font-weight: 600;
    margin: 1rem 0;
}

/* Fórmula texto */
.formula-text-block {
    background: var(--surface-alt, #f8fafc);
    border-left: 4px solid var(--primary, #6366f1);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin: 0.75rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--text, #1e293b);
}

/* Responsive evaluaciones */
@media (max-width: 500px) {
    .evaluaciones-header {
        grid-template-columns: 1.5fr 1fr 1fr 2rem;
    }

    .evaluacion-row {
        grid-template-columns: 1.5fr 1fr 1fr 2rem;
    }
}