/* ================================================================
   SOBRE — estilos da página de informações do sistema
   ================================================================ */

.sobre-content {
    padding: 32px 40px;
    width: 100%;
    overflow-y: auto;
    background: var(--color-background-light);
    min-height: calc(100vh - 65px);
    display: flex;
    flex-direction: column;
}

/* ── Cabeçalho da página ────────────────────────────────────── */

.sobre-hero {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    border-radius: 16px;
    padding: 36px 40px;
    color: #fff;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.sobre-hero-icon {
    font-size: 3rem;
    opacity: 0.9;
    flex-shrink: 0;
}

.sobre-hero-text h1 {
    margin: 0 0 8px;
    font-size: 1.9rem;
    font-weight: 700;
}

.sobre-hero-text p {
    margin: 0 0 14px;
    font-size: 1rem;
    opacity: 0.88;
    line-height: 1.6;
}

.version-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 0.04em;
}

/* ── Grid de cards de info ──────────────────────────────────── */

.sobre-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 32px;
}

.sobre-info-card {
    background: var(--color-background-white);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    padding: 22px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: var(--card-shadow);
}

.sobre-info-card-icon {
    font-size: 1.6rem;
    color: var(--color-accent-blue);
}

.sobre-info-card h3 {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--color-gray-text);
}

.sobre-info-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-dark-text);
    line-height: 1.55;
}

/* ── Seções de conteúdo ─────────────────────────────────────── */

.sobre-section {
    background: var(--color-background-white);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    padding: 28px 30px;
    margin-bottom: 24px;
    box-shadow: var(--card-shadow);
}

.sobre-section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-dark-text);
    margin: 0 0 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--color-border-extra-light);
}

.sobre-section-title i {
    color: var(--color-accent-blue);
    font-size: 1.1rem;
}

/* ── Lista de recursos ──────────────────────────────────────── */

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--color-dark-text);
    line-height: 1.5;
}

.feature-list li i {
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 2px;
    font-size: 0.85rem;
}

/* ── Guia de uso — passos ───────────────────────────────────── */

.usage-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.usage-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.usage-step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-accent-blue);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.usage-step-body h4 {
    margin: 0 0 4px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-dark-text);
}

.usage-step-body p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--color-gray-text);
    line-height: 1.55;
}

/* ── Sub-seções dentro de seções ────────────────────────────── */

.sobre-sub-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-dark-text);
    margin: 22px 0 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sobre-sub-title i {
    color: var(--color-accent-blue);
    font-size: 0.9rem;
}

.sobre-sub-title:first-of-type {
    margin-top: 0;
}

/* ── Tabela de limites ──────────────────────────────────────── */

.limits-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.limits-table th {
    background: var(--color-background-light);
    color: var(--color-dark-text);
    font-weight: 600;
    padding: 10px 14px;
    text-align: left;
    border-bottom: 2px solid var(--color-border-light);
}

.limits-table td {
    padding: 10px 14px;
    color: var(--color-dark-text);
    border-bottom: 1px solid var(--color-border-extra-light);
    vertical-align: middle;
}

.limits-table tr:last-child td {
    border-bottom: none;
}

.limits-table tr:hover td {
    background: var(--color-background-light);
}

.limits-table td:last-child {
    font-weight: 600;
    color: var(--color-accent-blue);
}

.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
}

.badge-recent {
    background: #fff3e0;
    color: #e65100;
}

.badge-assigned {
    background: #e6f4ea;
    color: #137333;
}

/* ── Formulário de contato ──────────────────────────────────── */

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-field label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark-text);
}

.contact-field input,
.contact-field textarea,
.contact-field select {
    padding: 10px 13px;
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: var(--font-primary);
    background: var(--color-background-white);
    color: var(--color-dark-text);
    outline: none;
    transition: border-color 0.2s;
}

.contact-field input:focus,
.contact-field textarea:focus,
.contact-field select:focus {
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.15);
}

.contact-field textarea {
    resize: vertical;
    min-height: 110px;
}

.contact-emails-note {
    font-size: 0.8rem;
    color: var(--color-gray-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.contact-emails-note i {
    color: var(--color-accent-blue);
}

.contact-submit-btn {
    align-self: flex-start;
    padding: 11px 28px;
    background: var(--color-accent-blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s;
}

.contact-submit-btn:hover {
    background: var(--color-accent-blue-hover);
}

/* ── Tema escuro ────────────────────────────────────────────── */

[data-theme="dark"] .sobre-hero {
    background: linear-gradient(135deg, #1e3a5f 0%, #0a1628 100%);
}

[data-theme="dark"] .limits-table th {
    background: var(--color-background-light);
}

[data-theme="dark"] .limits-table tr:hover td {
    background: #2d3748;
}

[data-theme="dark"] .badge-recent {
    background: #431407;
    color: #fb923c;
}

[data-theme="dark"] .badge-assigned {
    background: #052e16;
    color: #4ade80;
}

[data-theme="dark"] .usage-step-number {
    background: #1e3a5f;
}

/* ── Responsivo ─────────────────────────────────────────────── */

@media (max-width: 900px) {
    .sobre-info-grid {
        grid-template-columns: 1fr 1fr;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sobre-content {
        padding: 16px;
    }

    .sobre-hero {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 24px 20px;
    }

    .sobre-hero-text h1 {
        font-size: 1.5rem;
    }

    .sobre-info-grid {
        grid-template-columns: 1fr;
    }

    .sobre-section {
        padding: 20px 16px;
    }

    .contact-form-row {
        grid-template-columns: 1fr;
    }

    .limits-table {
        font-size: 0.78rem;
    }

    .limits-table th,
    .limits-table td {
        padding: 8px 10px;
    }
}