/* ============================================================
   calculadora.css — Estilos EXCLUSIVOS da página Calculadora
   Depende de: style.css (carregado antes no <head>)
   ============================================================ */

/* ---------- Layout Shell (específico da calculadora) ---------- */
.calc-body {
    display: flex;
    flex: 1;
}

.calc-main {
    flex: 1;
    padding: 2.5rem 1.5rem 6rem; /* bottom padding para o mobile nav */
    max-width: 100%;
    overflow-x: hidden;
}

.calc-inner {
    max-width: 900px;
    margin: 0 auto;
}

/* ---------- Page Header ---------- */
.calc-page-header {
    margin-bottom: 2.5rem;
}

.calc-badge {
    display: inline-block;
    background: var(--color-tertiary-fixed);
    color: var(--color-on-tertiary-fixed-variant);
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    margin-bottom: 0.75rem;
}

.calc-page-header h1 {
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 900;
    color: var(--color-primary);
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 0.75rem;
}

.calc-page-header p {
    color: var(--color-secondary);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 560px;
}

/* ---------- Content Grid ---------- */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
}

/* ---------- Form Card ---------- */
.calc-form-card {
    background: var(--color-surface-white);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.calc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.calc-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.calc-field label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-on-surface-variant);
}

.calc-field input,
.calc-field select {
    background: var(--color-surface-highest);
    border: 2px solid transparent;
    border-radius: 0.75rem;
    padding: 0.85rem 1rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    width: 100%;
    transition: border-color 0.15s, box-shadow 0.15s;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
}

.calc-field input:focus,
.calc-field select:focus {
    border-color: var(--color-primary-container);
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.12);
    background: var(--color-surface-white);
}

.calc-field input::placeholder {
    color: var(--color-outline);
    font-weight: 400;
}

.calc-field small {
    font-size: 0.72rem;
    color: var(--color-outline);
    margin-top: 0.15rem;
}

/* Select seta custom */
.calc-select-wrapper {
    position: relative;
}

.calc-select-wrapper::after {
    content: 'expand_more';
    font-family: 'Material Symbols Outlined';
    position: absolute;
    right: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-outline);
    pointer-events: none;
    font-size: 1.25rem;
}

/* ---------- Selects da Fatec (full width) ---------- */
.calc-field-full {
    margin-bottom: 1.25rem;
}

/* ---------- Opções Adicionais ---------- */
.calc-extras {
    margin-bottom: 1.5rem;
}

.calc-extras-title {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-surface-highest);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.calc-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem 0;
    user-select: none;
}

.calc-checkbox-label + .calc-checkbox-label {
    border-top: 1px solid var(--color-surface-highest);
}

/* Checkbox custom */
.calc-checkbox-box {
    position: relative;
    flex-shrink: 0;
    width: 1.35rem;
    height: 1.35rem;
    margin-top: 0.05rem;
}

.calc-checkbox-box input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    height: 100%;
    border-radius: 0.35rem;
    background: var(--color-surface-highest);
    border: 2px solid var(--color-outline-variant);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.calc-checkbox-box input[type="checkbox"]:checked {
    background: var(--color-primary-container);
    border-color: var(--color-primary-container);
}

.calc-checkbox-box .check-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.9rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.1s;
    font-variation-settings: 'FILL' 1, 'wght' 700, 'GRAD' 0, 'opsz' 20;
}

.calc-checkbox-box input[type="checkbox"]:checked ~ .check-icon {
    opacity: 1;
}

.calc-checkbox-text {
    flex: 1;
}

.calc-checkbox-text span {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-secondary);
    transition: color 0.15s;
}

.calc-checkbox-label:hover .calc-checkbox-text span {
    color: var(--color-primary);
}

.calc-checkbox-text small {
    display: block;
    font-size: 0.7rem;
    color: var(--color-outline);
    margin-top: 0.15rem;
}

.calc-bonus-tag {
    display: inline-block;
    background: var(--color-secondary-container);
    color: var(--color-on-secondary-fixed-variant);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.1rem 0.45rem;
    border-radius: 99px;
    margin-left: 0.35rem;
    vertical-align: middle;
}

/* Campo ENEM que aparece sob o checkbox */
.calc-enem-field {
    margin: 0.5rem 0 0 2.1rem;
    display: none;
}

.calc-enem-field.visible {
    display: block;
}

/* ---------- Preview dinâmico ---------- */
.calc-preview {
    background: linear-gradient(135deg, #001e40 0%, #003366 100%);
    border-radius: var(--radius-xl);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    display: none;
    animation: fadeSlideIn 0.25s ease;
}

.calc-preview.visible {
    display: block;
}

.calc-preview-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 0.65rem;
}

.calc-preview-steps {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.calc-preview-step {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
}

.calc-preview-step strong {
    color: #fff;
    font-weight: 700;
}

.calc-preview-arrow {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.9rem;
}

.calc-preview-final {
    font-size: 0.95rem;
    color: #a7c8ff;
    font-weight: 800;
}

.calc-preview-final strong {
    color: #fff;
    font-size: 1.15rem;
}

.calc-preview-multiplier {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.55);
    font-style: italic;
    margin-top: 0.5rem;
}

/* ---------- Botão da Calculadora ---------- */
.calc-btn {
    width: 100%;
    background: var(--color-primary-container);
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 800;
    padding: 1.1rem 1.5rem;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(0, 51, 102, 0.2);
    letter-spacing: -0.01em;
}

.calc-btn:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 51, 102, 0.3);
}

.calc-btn:active  { transform: scale(0.98); }
.calc-btn:disabled { opacity: 0.6; cursor: wait; transform: none; }

.calc-btn.calc-btn-secondary {
    width: 100%;
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    box-shadow: none;
    font-weight: 700;
    padding: 1.1rem 1.25rem;
    margin-top: 0.75rem;
}
.calc-btn.calc-btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
    box-shadow: none;
}

/* ---------- Painel de Resultado ---------- */
.calc-result-panel {
    background: var(--color-surface-high);
    border: 2px dashed var(--color-outline-variant);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 1rem;
    min-height: 340px;
    transition: all 0.3s ease;
}

.calc-result-icon {
    width: 4.5rem;
    height: 4.5rem;
    background: var(--color-surface-white);
    border-radius: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
}

.calc-result-icon .material-symbols-outlined {
    font-size: 2.25rem;
    color: var(--color-outline-variant);
}

.calc-result-placeholder h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.35rem;
}

.calc-result-placeholder p {
    font-size: 0.82rem;
    color: var(--color-on-surface-variant);
    line-height: 1.55;
    max-width: 240px;
    margin: 0 auto;
}

.calc-result-skeleton {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1rem;
    opacity: 0.35;
}

.calc-skeleton-bar {
    height: 0.5rem;
    background: var(--color-outline-variant);
    border-radius: 99px;
}

/* Resultado real */
.calc-result-real {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeSlideIn 0.3s ease;
}

.calc-result-real.visible {
    display: flex;
}

.calc-result-card {
    background: var(--color-surface-white);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--color-primary);
    padding: 1.25rem 1.5rem;
    text-align: left;
    margin-bottom: 1rem;
}

.calc-result-card-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-outline);
    margin-bottom: 0.25rem;
}

.calc-result-card-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
    letter-spacing: -0.03em;
}

.calc-result-status {
    border-radius: var(--radius-xl);
    padding: 1.25rem 1.5rem;
    text-align: left;
}

.calc-result-status-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.25rem;
    opacity: 0.75;
}

.calc-result-status-value {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.status-aprovado  { background: var(--color-success-bg); color: var(--color-success); }
.status-suplente  { background: var(--color-warning-bg); color: var(--color-warning); }
.status-reprovado { background: var(--color-danger-bg);  color: var(--color-danger);  }

/* Erro inline */
.calc-error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    display: none;
}

.calc-error.visible {
    display: block;
}

/* ---------- Info Cards ---------- */
.calc-info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
}

.calc-info-card {
    border-radius: var(--radius-xl);
    padding: 1.25rem 1.5rem;
}

.calc-info-card .material-symbols-outlined {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: block;
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.calc-info-card h4 {
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.calc-info-card p {
    font-size: 0.75rem;
    line-height: 1.55;
}

.calc-info-card--blue  { background: var(--color-primary-fixed);      color: #1e3a5f; }
.calc-info-card--peach { background: var(--color-tertiary-fixed);      color: var(--color-on-tertiary-fixed-variant); }
.calc-info-card--slate { background: var(--color-secondary-container); color: var(--color-on-secondary-fixed-variant); }

/* ---------- Referência ---------- */
.calc-reference {
    font-size: 0.78rem;
    color: var(--color-outline);
    margin-top: 2rem;
    text-align: center;
    line-height: 1.55;
}

.calc-reference a {
    color: var(--color-primary-container);
    text-decoration: underline;
}

.calc-reference a:hover {
    color: var(--color-primary);
}

/* ---------- Histórico de Cortes ---------- */
.calc-historico {
    margin-top: 1.5rem;
    width: 100%;
}

.calc-historico-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-outline);
    margin-bottom: 0.75rem;
    text-align: left;
}

.calc-historico-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.calc-historico-table th,
.calc-historico-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-surface-highest);
}

.calc-historico-table th {
    font-weight: 700;
    color: var(--color-on-surface-variant);
    background-color: var(--color-surface-low);
}

.calc-historico-table th:first-child { border-top-left-radius: 0.5rem; border-bottom-left-radius: 0.5rem; }
.calc-historico-table th:last-child  { border-top-right-radius: 0.5rem; border-bottom-right-radius: 0.5rem; }

.calc-historico-table td {
    color: var(--color-secondary);
    font-weight: 500;
}

.calc-historico-table tbody tr:last-child td {
    border-bottom: none;
}

/* ---------- Listas Dinâmicas de Resultado ---------- */
.calc-list-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.calc-text-success { color: var(--color-success); }
.calc-text-danger  { color: var(--color-danger); }

.calc-simple-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calc-simple-item {
    background: var(--color-surface-white);
    border: 1px solid var(--color-outline-variant);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    line-height: 1.4;
    transition: transform 0.15s, box-shadow 0.15s;
}

.calc-simple-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.calc-simple-item strong {
    color: var(--color-on-surface);
    font-weight: 700;
}

.calc-simple-item small {
    display: block;
    margin-top: 0.2rem;
    color: var(--color-secondary);
    font-size: 0.75rem;
}

.calc-simple-item.approved { border-left: 4px solid var(--color-success); }
.calc-simple-item.reproved { border-left: 4px solid var(--color-danger); }

/* ---------- Responsive ---------- */
@media (min-width: 768px) {
    .calc-main {
        padding: 3rem 2.5rem 4rem;
    }

    .calc-info-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .calc-grid {
        grid-template-columns: 7fr 5fr;
    }

    .calc-main {
        padding: 3.5rem 3rem;
    }
}

@media (max-width: 479px) {
    .calc-form-row {
        grid-template-columns: 1fr;
    }

    .calc-form-card {
        padding: 1.25rem;
    }

    .calc-preview-steps {
        flex-direction: column;
        align-items: flex-start;
    }
}
