/* MOCKUP BANNER */

.mockup-banner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5.5em 1.5em 0;
}

.mockup-banner-inner {
    border: 2px dashed var(--accent-colour);
    padding: 1.5em 2em;
    text-align: center;
    background-color: rgba(255, 153, 0, 0.05);
}

.mockup-banner .banner-icon {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.2em;
    font-weight: 700;
    color: var(--accent-colour);
    margin-bottom: 0.3em;
}

.mockup-banner .banner-title {
    font-size: 1.1em;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.4em;
}

.mockup-banner .banner-text {
    font-size: 0.9em;
    color: var(--secondary-colour);
    line-height: 1.5;
}

/* TABS */

.mockup-tabs {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5em 1.5em 0;
    display: flex;
    gap: 0;
}

.tab-btn {
    padding: 0.7em 2em;
    background-color: transparent;
    border: 1px solid var(--border-colour);
    border-bottom: none;
    color: var(--secondary-colour);
    font-size: 0.9em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: color 0.2s, background-color 0.2s;
}

.tab-btn:hover {
    color: var(--primary-colour);
}

.tab-btn.active {
    background-color: var(--surface-colour);
    color: var(--accent-colour);
    border-color: var(--accent-colour);
}

.tab-panel {
    display: none;
}

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

/* MOCKUP LAYOUT */

.mockup-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2em 1.5em 3em;
    display: flex;
    gap: 3em;
    align-items: flex-start;
}

/* CONTROLS PANEL */

.mockup-controls {
    width: 320px;
    flex-shrink: 0;
}

.mockup-controls h1 {
    font-size: 1.8em;
    font-weight: 700;
    margin-bottom: 0.5em;
    color: #fff;
}

.mockup-intro {
    font-size: 0.85em;
    color: var(--secondary-colour);
    line-height: 1.5;
    margin-bottom: 2em;
}

.form-group {
    margin-bottom: 1.5em;
}

.form-group > label {
    display: block;
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--secondary-colour);
    margin-bottom: 0.5em;
}

/* TEMPLATES */

.template-desc {
    font-size: 0.8em;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 0.8em;
}

.template-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
}

.btn-small {
    font-size: 0.7em;
    padding: 0.5em 1em;
}

/* UPLOAD ZONES */

.upload-zone {
    position: relative;
    border: 1px dashed var(--border-colour);
    background-color: var(--surface-colour);
    padding: 1.2em;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent-colour);
}

.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-hint {
    font-size: 0.85em;
    color: var(--primary-colour);
    margin-bottom: 0.3em;
}

.upload-dimensions {
    font-size: 0.7em;
    font-family: 'Courier New', Courier, monospace;
    color: var(--text-muted);
}

.upload-zone.has-file {
    border-style: solid;
    border-color: var(--accent-colour);
}

.upload-zone.has-file .upload-hint {
    color: var(--accent-colour);
}

.upload-preview {
    max-width: 100%;
    max-height: 120px;
    margin-bottom: 0.5em;
}

/* BUTTONS */

.btn-full {
    width: 100%;
    text-align: center;
    margin-bottom: 0.8em;
}

/* VIEWPORT */

.mockup-viewport {
    flex: 1;
    min-width: 0;
}

.viewport-container {
    width: 100%;
    aspect-ratio: 4 / 3;
    background-color: #111122;
    border: 1px solid var(--border-colour);
    position: relative;
    overflow: hidden;
}

.viewport-container canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

.viewport-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    color: var(--text-muted);
}

.viewport-hint {
    font-size: 0.75em;
    color: var(--text-muted);
    margin-top: 0.5em;
    text-align: center;
}

/* RESPONSIVE */

@media (max-width: 900px) {
    .mockup-layout {
        flex-direction: column;
    }

    .mockup-controls {
        width: 100%;
    }

    .viewport-container {
        aspect-ratio: 1 / 1;
    }

    .tab-btn {
        flex: 1;
        text-align: center;
        padding: 0.7em 1em;
    }
}