/* ═══════════════════════════════════════════════════════
   CNN Weaver — style.css
═══════════════════════════════════════════════════════ */

:root {
    --blue:       #1a4a7a;
    --blue-light: #2a6aaa;
    --blue-pale:  #e8f0f8;
    --bg:         #f4f2ee;
    --surface:    #ffffff;
    --border:     #c8bfb0;
    --text:       #2c2c2c;
    --text-dim:   #7a7060;
    --header-bg:  #1a3050;
}

* { box-sizing: border-box; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Source Sans 3', sans-serif;
    font-size: 0.95rem;
    min-height: 100vh;
    margin: 0;
}

/* ── Language bar ─────────────────────────────────────── */
.lang-bar {
    background: var(--header-bg);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 2px;
    padding: 6px 20px;
}

.lang-bar span {
    font-size: 0.72rem;
    color: #9ab0c8;
    cursor: pointer;
    padding: 2px 7px;
    letter-spacing: 0.04em;
    transition: color 0.15s;
}

.lang-bar span:hover { color: #fff; }
.lang-bar span.active { color: #fff; font-weight: 600; }

.lang-sep { color: #2a4060; font-size: 0.7rem; user-select: none; }

/* ── Header ───────────────────────────────────────────── */
.app-header {
    background: var(--header-bg);
    padding: 18px 28px 16px;
    border-bottom: 3px solid var(--blue-light);
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-mark {
    width: 32px;
    height: 32px;
    border: 2px solid #6090b8;
    transform: rotate(45deg);
    flex-shrink: 0;
}

.site-title {
    font-family: 'Source Serif 4', serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.02em;
    line-height: 1;
}

.site-subtitle {
    font-size: 0.72rem;
    color: #6090b8;
    margin-top: 3px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ── Page layout with sidebar ─────────────────────────── */
.page-layout {
    display: flex;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 20px 60px;
    gap: 24px;
}

.app-body {
    flex: 1;
    min-width: 0;
}

/* ── Section heading ──────────────────────────────────── */
.section-heading {
    font-family: 'Source Serif 4', serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--blue);
    border-bottom: 1px solid var(--border);
    padding-bottom: 6px;
    margin-bottom: 18px;
}

/* ── Card ─────────────────────────────────────────────── */
.card-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 2px;
    padding: 22px 24px;
    margin-bottom: 16px;
}

/* ── Form controls ────────────────────────────────────── */
.form-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-dim);
    margin-bottom: 4px;
}

.form-control,
.form-select {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 2px;
    color: var(--text);
    font-family: 'Source Sans 3', sans-serif;
    font-size: 0.9rem;
    padding: 7px 10px;
    transition: border-color 0.15s;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--blue-light);
    box-shadow: 0 0 0 2px rgba(42, 106, 170, 0.12);
    outline: none;
    background: #fff;
}

/* ── Layers zone ──────────────────────────────────────── */
.layers-zone {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    min-height: 140px;
    padding: 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 2px;
}

.add-layer-btn {
    width: 42px;
    height: 42px;
    border: 1px solid var(--blue-light);
    border-radius: 2px;
    background: var(--blue-pale);
    color: var(--blue);
    font-size: 1.3rem;
    cursor: pointer;
    transition: background 0.15s;
}

.add-layer-btn:hover { background: #d0dff0; }

/* ── Layer cards ──────────────────────────────────────── */
.camada-naoConfigurada {
    background: #f0ece4;
    border: 2px dashed #b8a898;
    border-radius: 4px;
    padding: 10px 14px 20px;
    cursor: pointer;
    min-width: 160px;
    min-height: 120px;
    color: #7a6f62;
    transition: border-color 0.2s, background 0.2s;
}

.camada-naoConfigurada:hover {
    border-color: #888;
    background: #e8e0d4;
}

/* Convolutional — warm orange */
.C_layer {
    background: #fde8d0;
    border: 2px solid #d4813a;
    border-radius: 4px;
    padding: 10px 14px 20px;
    cursor: pointer;
    min-width: 160px;
    min-height: 120px;
    color: #6e3008;
}

/* Flatten — warm red */
.FL_layer {
    background: #fdd8d8;
    border: 2px solid #c93030;
    border-radius: 4px;
    padding: 10px 14px 20px;
    cursor: pointer;
    min-height: 120px;
    color: #6e0a0a;
}

/* Pooling — warm yellow */
.P_layer {
    background: #faf5c0;
    border: 2px solid #b8aa1a;
    border-radius: 4px;
    padding: 10px 14px 20px;
    cursor: pointer;
    min-width: 160px;
    min-height: 120px;
    color: #4e4404;
}

/* Fully Connected — soft purple */
.FC_layer {
    background: #ead8f5;
    border: 2px solid #8a3aaa;
    border-radius: 4px;
    padding: 10px 14px 20px;
    cursor: pointer;
    min-width: 160px;
    min-height: 120px;
    color: #46105e;
}

.camada-title {
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: inherit;
    padding: 8px 0 0;
}

.camada-subtitle {
    font-size: 0.78rem;
    color: inherit;
    opacity: 0.75;
    min-width: 140px;
    margin-top: 4px;
    line-height: 1.5;
}

/* ── Generate button ──────────────────────────────────── */
#generate-btn {
    width: 100%;
    padding: 11px;
    background: var(--blue);
    border: 1px solid var(--blue);
    border-radius: 2px;
    color: #fff;
    font-family: 'Source Sans 3', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.15s;
}

#generate-btn:hover { background: var(--blue-light); border-color: var(--blue-light); }

/* ── Outline button ───────────────────────────────────── */
.btn-outline-blue {
    background: #fff;
    border: 1px solid var(--blue-light);
    border-radius: 2px;
    color: var(--blue);
    font-family: 'Source Sans 3', sans-serif;
    font-size: 0.85rem;
    padding: 7px 14px;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-outline-blue:hover:not(:disabled) { background: var(--blue-pale); }
.btn-outline-blue:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Bootstrap overrides ──────────────────────────────── */
.btn-secondary {
    background: #fff;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.85rem;
    border-radius: 2px;
}

.btn-secondary:hover { background: var(--bg); color: var(--text); border-color: #aaa; }

.btn-primary {
    background: var(--blue);
    border-color: var(--blue);
    font-size: 0.85rem;
    border-radius: 2px;
}

.btn-primary:hover { background: var(--blue-light); border-color: var(--blue-light); }

.modal-content {
    border-radius: 2px;
    border: 1px solid var(--border);
}

.modal-header { border-bottom: 1px solid var(--border); background: var(--blue-pale); }
.modal-title { font-family: 'Source Serif 4', serif; font-size: 1rem; font-weight: 600; color: var(--blue); }
.modal-footer { border-top: 1px solid var(--border); }

#layerSettingsModal .modal-header { background: #1e2d3d; }
#layerSettingsModal .modal-title { color: #fff; }
#layerSettingsModal .modal-body { background: #243040; color: #ccd8e4; }
#layerSettingsModal .modal-footer { background: #1e2d3d; }
#layerSettingsModal .form-control,
#layerSettingsModal .form-select {
    background: #1a2535;
    border-color: #3a5070;
    color: #ccd8e4;
}
#layerSettingsModal .form-label { color: #8aaccc; }

/* ── Ad sidebar ───────────────────────────────────────── */
.ad-sidebar {
    width: 180px;
    flex-shrink: 0;
}

.ad-slot {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 2px;
    margin-bottom: 16px;
    overflow: hidden;
}

.ad-slot-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 5px 8px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}

.ad-slot-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-dim);
    padding: 8px 8px 0;
}

.ad-slot-embed {
    padding: 8px;
}

.ad-slot-embed textarea {
    width: 100%;
    height: 100px;
    border: 1px dashed var(--border);
    border-radius: 2px;
    background: #fff;
    color: var(--text);
    font-family: monospace;
    font-size: 0.68rem;
    padding: 6px;
    resize: vertical;
}

.ad-slot-embed textarea:focus {
    outline: none;
    border-color: var(--blue-light);
}

.ad-slot-preview {
    margin-top: 8px;
    min-height: 50px;
    border: 1px solid var(--border);
    border-radius: 2px;
    background: #fff;
    padding: 4px;
}

.ad-apply-btn {
    display: block;
    width: 100%;
    margin-top: 6px;
    padding: 5px;
    background: var(--blue-pale);
    border: 1px solid var(--blue-light);
    border-radius: 2px;
    color: var(--blue);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: background 0.15s;
}

.ad-apply-btn:hover { background: #d0dff0; }

@media (max-width: 768px) {
    .page-layout { flex-direction: column; }
    .ad-sidebar { width: 100%; }
}

/* ── Info footer ──────────────────────────────────────── */
.info-footer {
    background: var(--header-bg);
    color: #a8bcd0;
    padding: 36px 0 0;
}

.info-footer h4 {
    font-family: 'Source Serif 4', serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.info-footer p { font-size: 0.85rem; line-height: 1.6; color: #8aaccc; }

.info-links a {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #8aaccc;
    text-decoration: none;
    font-size: 0.85rem;
    margin-bottom: 8px;
    transition: color 0.15s;
}

.info-links a::before { content: '›'; color: #6090b8; }
.info-links a:hover { color: #fff; }

.copyright-bar {
    background: #0f1e2e;
    border-top: 1px solid #2a4060;
    padding: 14px 0;
    text-align: center;
    font-size: 0.78rem;
    color: #5a7a9a;
    margin-top: 28px;
}

.copyright-bar a { color: #6090b8; text-decoration: none; }
.copyright-bar a:hover { color: #90b8e0; }

/* ── Scrollbar ────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue-light); }