/* css/mecanica.css - Mecanica Digitală standalone app styles (pattern-matched to filtre.css/taxe.css) */

:root {
    --mc-accent: #b45309;
    --mc-accent-hover: #92400e;
    --mc-accent-soft: #fef3c7;
    --mc-card-radius: 14px;
    --mc-card-bg: #ffffff;
    --mc-card-border: #e5e7eb;
    --mc-page-bg: #fdf8f1;
    --mc-muted: #6b7280;
    --mc-danger: #dc2626;
    --mc-danger-soft: #fee2e2;
}

body.dark-theme {
    color-scheme: dark;
    --mc-accent-soft: #78350f;
    --mc-card-bg: #1f2937;
    --mc-card-border: #374151;
    --mc-page-bg: #0f172a;
    --mc-muted: #9ca3af;
    --mc-danger-soft: #450a0a;
}

.mecanica-body, body.mecanica-body#page-top { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--mc-page-bg); color: var(--text-color); min-height: 100vh; overflow-x: hidden; }
.mecanica-main { padding-top: 88px; }

.mecanica-hero { text-align: center; padding: 28px 16px 20px; }
.mecanica-hero-icon { width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 1.7rem; color: #fff; background: linear-gradient(135deg, var(--mc-accent), #7c2d12); }
.mecanica-hero h1 { font-weight: 800; font-size: clamp(1.7rem, 4vw, 2.3rem); margin-bottom: 10px; }
.mecanica-hero-lead { max-width: 640px; margin: 0 auto 14px; color: var(--mc-muted); font-size: 1.02rem; line-height: 1.6; }
.mecanica-disclaimer { max-width: 640px; margin: 0 auto; font-size: .85rem; color: var(--mc-danger); background: var(--mc-danger-soft); border-radius: 10px; padding: 10px 14px; display: flex; gap: 8px; align-items: flex-start; text-align: left; }
.mecanica-disclaimer i { margin-top: 2px; flex-shrink: 0; }

.mecanica-work { padding: 12px 16px 72px; }
.mecanica-layout { max-width: 900px; display: grid; gap: 22px; }

.mecanica-card { background: var(--mc-card-bg); border: 1px solid var(--mc-card-border); border-radius: var(--mc-card-radius); padding: 22px 24px; box-shadow: 0 10px 30px rgba(0,0,0,.05); }

.mecanica-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mecanica-field { margin-bottom: 14px; }
.mecanica-field label { display: block; font-weight: 700; font-size: .88rem; margin-bottom: 6px; }
.mecanica-optional, .mecanica-required { font-weight: 500; color: var(--mc-muted); }
.mecanica-required { color: var(--mc-accent); }
.mecanica-field input, .mecanica-field select, .mecanica-field textarea {
    width: 100%; padding: 10px 12px; border-radius: 9px; border: 1px solid var(--mc-card-border);
    background: var(--mc-page-bg); color: var(--text-color); font: inherit; font-size: .95rem;
}
.mecanica-field textarea { resize: vertical; min-height: 110px; }
.mecanica-field input:focus, .mecanica-field select:focus, .mecanica-field textarea:focus {
    outline: none; border-color: var(--mc-accent); box-shadow: 0 0 0 3px var(--mc-accent-soft);
}
.mecanica-hint { margin: 6px 0 0; font-size: .8rem; color: var(--mc-muted); }

.mecanica-submit {
    width: 100%; padding: 13px 18px; border: 0; border-radius: 10px; background: var(--mc-accent); color: #fff;
    font-weight: 700; font-size: 1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 10px;
    transition: background .15s;
}
.mecanica-submit:hover { background: var(--mc-accent-hover); }
.mecanica-submit:disabled { opacity: .6; cursor: not-allowed; }

.mecanica-key-details { margin-top: 16px; font-size: .85rem; color: var(--mc-muted); }
.mecanica-key-details summary { cursor: pointer; font-weight: 650; }
.mecanica-key-note { margin: 10px 0; }
.mecanica-key-row { display: flex; gap: 8px; }
.mecanica-key-row input { flex: 1; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--mc-card-border); background: var(--mc-page-bg); color: var(--text-color); }
.mecanica-key-save { padding: 8px 14px; border: 0; border-radius: 8px; background: var(--mc-card-border); color: var(--text-color); font-weight: 650; cursor: pointer; }

.mecanica-result { min-height: 60px; }
.mecanica-loading { display: flex; align-items: center; gap: 12px; color: var(--mc-muted); }
.mecanica-spinner { width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--mc-accent-soft); border-top-color: var(--mc-accent); animation: mc-spin .8s linear infinite; flex-shrink: 0; }
@keyframes mc-spin { to { transform: rotate(360deg); } }
.mecanica-error { color: var(--mc-danger); background: var(--mc-danger-soft); border-radius: 10px; padding: 12px 14px; font-size: .92rem; }
.mecanica-answer { line-height: 1.7; font-size: .98rem; }
.mecanica-answer h2, .mecanica-answer h3 { font-size: 1.05rem; font-weight: 750; margin: 18px 0 8px; }
.mecanica-answer h2:first-child, .mecanica-answer h3:first-child { margin-top: 0; }
.mecanica-answer p { margin: 0 0 12px; }
.mecanica-answer ul, .mecanica-answer ol { margin: 0 0 12px; padding-left: 22px; }
.mecanica-answer li { margin-bottom: 6px; }
.mecanica-answer strong { color: var(--mc-accent); }

@media (max-width: 560px) {
    .mecanica-field-row { grid-template-columns: 1fr; gap: 0; }
    .mecanica-card { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
    .mecanica-spinner { animation: none; border-top-color: var(--mc-accent-soft); }
}