/* =========================================================================
   CSS colors to SVG palette — app styles
   Sistema de diseño: bustelo.com.ar
   - Tipografía: Montserrat (heredada de base-y-header-internas.css)
   - Color: --color-accent / --color-hover (Tricontrast AA)
   ========================================================================= */

/* ---- Contenedor principal ---- */

.container {
    max-width: 1300px;
    width: 100%;
    overflow: hidden;
}

h1 {
    margin: 20px 20px 0 20px;
    font-weight: 200;
    text-transform: uppercase;
    color: #1B1B1E;
}

.description {
    margin: 5px 20px 20px 20px;
    line-height: 1.5;
}


/* ---- Tabs ---- */

.tabs {
    display: flex;
    background: #f0f2f4;
    border-bottom: 2px solid var(--color-accent);
}

.tab {
    flex: 1;
    text-align: center;
    padding: 16px 8px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    border-bottom: 3px solid transparent;
    text-transform: uppercase;
    font-size: 0.9em;
    letter-spacing: 0.03em;
}

.tab.active {
    background: white;
    border-bottom-color: var(--color-accent);
    color: var(--color-accent);
}

.tab.inactive {
    background: #e4e7ea;
    color: #555;
}

.tab.inactive:hover {
    background: #d8dce0;
    color: #333;
}

.tab-content {
    display: none;
    padding: 30px;
}

.tab-content.active {
    display: block;
}


/* ---- Layout de dos columnas ---- */

.two-column,
.export-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.left-col {
    display: flex;
    flex-direction: column;
}

.right-col {
    background: #f8faff;
    border-radius: 8px;
    padding: 25px;
    border-left: 3px solid var(--color-accent);
}

.right-col h3 {
    margin-top: 0;
    font-weight: 300;
    text-transform: uppercase;
    color: #1B1B1E;
}

.right-col ul {
    padding-left: 20px;
    line-height: 1.6;
}

.right-col code {
    background: #eef0f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}


/* ---- Textarea ---- */

textarea {
    height: 300px;
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    border: 2px dashed #bbb;
    border-radius: 8px;
    resize: vertical;
    background: #fefefe;
    transition: border-color 0.15s;
    width: 100%;
    box-sizing: border-box;
}

textarea:focus {
    border-color: var(--color-accent);
    outline: none;
}

textarea.dragover {
    border-color: var(--color-accent);
    background: #fdf5ff;
}


/* ---- Botones ---- */

button.primary {
    background: var(--color-accent);
    color: white;
    border: 1px solid #999;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    margin: 20px 0 10px;
    transition: background-color 0.15s, transform 0.1s;
    box-shadow: 0 2px 8px 0 rgba(0,0,0,0.3);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    width: 100%;
}

button.primary:hover {
    background: var(--color-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px 0 rgba(0,0,0,0.3);
}

button.primary:active {
    transform: translateY(1px);
    box-shadow: 0 1px 4px 0 rgba(0,0,0,0.3);
}

button.secondary {
    background: white;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    padding: 10px 20px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    flex: 1;
    transition: background-color 0.15s, color 0.15s;
    text-transform: uppercase;
    font-size: 0.85em;
    letter-spacing: 0.03em;
}

button.secondary:hover {
    background: var(--color-accent);
    color: white;
}


/* ---- Paneles Export ---- */

.preview-panel,
.code-panel {
    background: #f9f9fc;
    border-radius: 8px;
    padding: 20px;
    border: 1px solid #d2d6e5;
    border-top: 3px solid var(--color-accent);
}

.preview-panel h3,
.code-panel h3 {
    margin-top: 0;
    font-weight: 300;
    text-transform: uppercase;
    font-size: 0.9em;
    letter-spacing: 0.05em;
    color: var(--color-accent);
}

.svg-preview {
    background: white;
    border-radius: 8px;
    padding: 20px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ccc;
}

.svg-preview svg {
    max-width: 100%;
    height: auto;
    background: white;
}

pre {
    background: #1e1e2f;
    color: #b0ffb0;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 13px;
    max-height: 400px;
    white-space: pre-wrap;
    word-wrap: break-word;
    border: 1px solid #333;
}

.btn-group {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}


/* ---- Nota / tip ---- */

.note {
    font-size: 0.9rem;
    background: #f8f0ff;
    border-left: 3px solid var(--color-accent);
    padding: 10px 16px;
    border-radius: 0 8px 8px 0;
    margin-top: 16px;
    color: #3c3c4e;
}


/* ---- Badge ---- */

.badge {
    background: var(--color-accent);
    color: white;
    padding: 3px 10px;
    border-radius: 40px;
    font-size: 0.75rem;
    margin-left: 10px;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    vertical-align: middle;
}

.badge:hover {
    background: var(--color-hover);
}


/* ---- Dark mode ---- */

BODY.theme-option-dark h1 {
    color: #f0f0f0;
}

BODY.theme-option-dark .tabs {
    background: #222;
}

BODY.theme-option-dark .tab.inactive {
    background: #333;
    color: #aaa;
}

BODY.theme-option-dark .tab.active {
    background: #111;
    color: var(--color-accent);
}

BODY.theme-option-dark .right-col {
    background: #1a1a2e;
    border-left-color: var(--color-accent);
}

BODY.theme-option-dark .right-col h3 {
    color: #f0f0f0;
}

BODY.theme-option-dark textarea {
    background: #1a1a1a;
    color: #f0f0f0;
    border-color: #555;
}

BODY.theme-option-dark textarea:focus {
    border-color: var(--color-accent);
}

BODY.theme-option-dark .preview-panel,
BODY.theme-option-dark .code-panel {
    background: #1a1a1a;
    border-color: #333;
    border-top-color: var(--color-accent);
}

BODY.theme-option-dark .svg-preview {
    background: #111;
    border-color: #444;
}

BODY.theme-option-dark button.secondary {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

BODY.theme-option-dark button.secondary:hover {
    background: var(--color-accent);
    color: white;
}

BODY.theme-option-dark .note {
    background: #1a1020;
    color: #ccc;
}


/* ---- Responsive ---- */

@media (max-width: 768px) {
    .tab {
        padding: 12px 4px;
        font-size: 0.8rem;
    }

    .tab-content {
        padding: 20px;
    }

    .two-column,
    .export-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .right-col {
        padding: 20px;
    }

    textarea {
        height: 250px;
    }

    button.primary {
        padding: 14px 20px;
        font-size: 1rem;
    }

    .btn-group {
        flex-direction: column;
        gap: 8px;
    }

    button.secondary {
        width: 100%;
    }

    .svg-preview {
        min-height: 200px;
        padding: 10px;
    }

    pre {
        font-size: 12px;
        padding: 15px;
        max-height: 300px;
    }

    h1 {
        margin: 15px 15px 0 15px;
    }

    .description {
        margin: 5px 15px 15px 15px;
    }
}

@media (max-width: 480px) {
    .tab {
        padding: 10px 2px;
        font-size: 0.75rem;
    }

    .right-col ul {
        padding-left: 15px;
        font-size: 0.9rem;
    }
}