/* ==========================================
   Responsive Breakpoints — Header & Controls
   ========================================== */

/* ── 1200px: Wide Tablet / Narrow Desktop ── */
@media (max-width: 1200px) {
    .top-bar {
        padding: 8px 14px;
    }
    .controls {
        flex-wrap: wrap;
        gap: 8px;
        justify-content: center;
        align-items: flex-end;
    }
    .brand-description {
        display: none !important;
    }
}

/* ── 1024px: iPad Landscape / Tablet ── */
@media (max-width: 1024px) {
    .top-bar {
        flex-wrap: wrap;
        gap: 0;
        top: 6px;
        left: 6px;
        right: 6px;
        border-radius: 14px;
        padding: 6px 10px;
    }
    .brand-wrapper {
        flex-grow: 1;
        padding-bottom: 6px;
    }
    .top-bar-center {
        order: 3;
        width: 100%;
        margin: 0;
        padding-top: 6px;
        border-top: 1px solid var(--border-glass);
    }
    .top-bar-right {
        order: 2;
        padding-bottom: 6px;
    }
    .controls {
        justify-content: center;
        width: 100%;
        flex-wrap: wrap;
        gap: 6px 10px;
    }
    .input-label {
        font-size: 0.62rem;
        letter-spacing: 0.8px;
    }
    .input-group {
        gap: 2px;
    }
    .controls input, .controls select {
        padding: 4px 8px;
        font-size: 0.75rem;
        height: 28px;
    }
    .controls select {
        min-width: 110px;
    }
    .preset-controls-wrapper .icon-btn {
        width: 24px;
        height: 24px;
        min-width: 24px;
    }
    .creator-credit {
        display: none !important;
    }
    .version-badge {
        padding: 1px 5px;
        font-size: 0.55rem;
    }
    .brand-title {
        font-size: 1.05rem;
    }
    .header-icon {
        width: 24px;
        height: 24px;
    }
}

/* ── 768px: iPad Mini Portrait / Large Phone ── */
@media (max-width: 768px) {
    .top-bar {
        top: 4px;
        left: 4px;
        right: 4px;
        padding: 5px 8px;
        border-radius: 12px;
    }
    #help-toggle-btn .help-btn-text {
        display: none;
    }
    #help-toggle-btn .help-btn-mobile {
        display: inline;
        font-weight: bold;
        font-size: 1rem;
    }
    .brand-wrapper {
        padding-bottom: 4px;
    }
    .top-bar-center {
        padding-top: 5px;
    }
    .top-bar-right {
        padding-bottom: 4px;
    }
    .controls {
        gap: 4px 8px;
    }
    .input-label {
        font-size: 0.58rem;
    }
    .swap-btn {
        display: none !important;
    }
    .controls input, .controls select {
        height: 26px;
        font-size: 0.72rem;
    }
}

/* ── 640px: Phone ── */
@media (max-width: 640px) {
    .top-bar {
        top: 0;
        left: 0;
        right: 0;
        border-radius: 0;
        border-top: none;
        border-left: none;
        border-right: none;
        padding: 6px 8px;
    }
    .controls {
        flex-direction: column;
        align-items: stretch;
        gap: 5px;
    }
    .input-group, .url-input-wrapper, .controls input, .controls select {
        width: 100% !important;
    }
    .preset-controls-wrapper {
        width: 100%;
    }
    .preset-controls-wrapper select {
        flex: 1;
    }
    .input-label {
        display: none; /* Hide labels on phone — placeholders are enough */
    }
}

/* ── 480px: Small Phone ── */
@media (max-width: 480px) {
    .brand-title {
        font-size: 1rem;
    }
    .brand-subtitle {
        font-size: 0.5rem;
        letter-spacing: 1.5px;
    }
    .version-badge {
        display: none;
    }
    .header-icon {
        width: 22px;
        height: 22px;
    }
}

/* ==========================================
   Low Zoom Legibility & Card Dragging Styles
   ========================================== */
body.low-zoom-active .device-header h2 {
    font-size: 1.5rem !important;
    background: rgba(var(--accent-aurora-rgb), 0.1) !important;
    border-color: rgba(var(--accent-aurora-rgb), 0.3) !important;
    color: #fff !important;
    padding: 6px 12px !important;
}

body.low-zoom-active .device-header .size-badge {
    font-size: 0.75em !important;
    padding: 4px 10px !important;
    background-color: rgba(var(--accent-aurora-rgb), 0.15) !important;
    color: var(--accent-aurora) !important;
}

body.low-zoom-active .device-controls {
    gap: 6px;
}

body.low-zoom-active .device-controls select {
    font-size: 0.82rem !important;
    padding-top: 8px !important;
    padding-bottom: 8px !important;
    padding-left: 28px !important;
}

body.low-zoom-active .device-select-wrapper select {
    min-width: 145px;
}

body.low-zoom-active .grid-select-wrapper select {
    min-width: 100px;
}

body.low-zoom-active .icon-only-btn {
    width: 30px !important;
    height: 30px !important;
    min-width: 30px !important;
}

body.low-zoom-active .device-select-wrapper .select-icon,
body.low-zoom-active .grid-select-wrapper .select-icon {
    left: 8px;
    width: 13px;
    height: 13px;
}

body.dragging-card iframe {
    pointer-events: none !important;
}

/* Canvas Toolbar Additions: Flow Layout Select & Visibility Toggles */
.toolbar-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.72rem;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 500;
    outline: none;
    min-width: 90px;
    height: 28px;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.toolbar-select:focus {
    border-color: var(--accent-aurora);
}

.zoom-select {
    min-width: 68px !important;
    max-width: 72px !important;
    padding-left: 6px !important;
    padding-right: 18px !important;
    text-align: center;
    font-family: var(--font-mono);
}

.toolbar-device-toggles {
    display: flex;
    gap: 6px;
    align-items: center;
}

.tb-device-group {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: 6px;
    padding: 2px;
    height: 28px;
    box-sizing: border-box;
    transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.tb-device-group:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

/* Dim rotate button when corresponding device visibility is off */
.tb-device-group:not(:has(.tb-device-btn.active)) {
    opacity: 0.4;
}

.tb-device-group:not(:has(.tb-device-btn.active)) .tb-rotate-btn {
    pointer-events: none !important;
}

.tb-rotate-btn {
    background: transparent !important;
    color: var(--text-secondary) !important;
    border: none !important;
    border-radius: 4px !important;
    width: 22px !important;
    height: 22px !important;
    min-width: 22px !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    box-shadow: none !important;
    transform: none !important;
    transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease !important;
    margin-left: 2px;
}

.tb-rotate-btn:hover {
    color: var(--accent-aurora) !important;
    background: rgba(255, 255, 255, 0.08) !important;
}

.tb-rotate-btn:active {
    transform: scale(0.9) !important;
}

.tb-rotate-btn svg {
    transition: transform 0.3s ease;
}

/* Reflects actual device orientation (toggled in core.js alongside the
   landscape class), not just the press — :active alone reverted on
   mouseup before the real state change had even happened. */
.tb-rotate-btn.is-rotated svg {
    transform: rotate(180deg);
}

.tb-device-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 4px 8px;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-heading);
    box-shadow: none !important;
    transform: none !important;
    transition: color 0.2s ease, background-color 0.2s ease, transform 0.15s ease-out;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.tb-device-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tb-device-btn:active {
    transform: scale(0.94) !important;
}

.tb-device-btn.active {
    background: var(--accent-gradient);
    color: #020617;
}

/* ==========================================
   Responsive Breakpoints — Floating Toolbar
   ========================================== */

/* ── 1024px: Tablet — Elegant 2-row wrap, icon-only ── */
@media (max-width: 1024px) {
    .canvas-toolbar {
        flex-wrap: wrap;
        justify-content: center;
        border-radius: 14px;
        padding: 7px 14px;
        max-width: 92vw;
        gap: 6px 8px;
        bottom: calc(12px + env(safe-area-inset-bottom));
        background: rgba(10, 18, 35, 0.85);
        border: 1px solid rgba(255, 255, 255, 0.06);
        box-shadow:
            0 8px 32px rgba(0, 0, 0, 0.5),
            0 2px 8px rgba(0, 0, 0, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.1),
            inset 0 -1px 0 rgba(255, 255, 255, 0.03);
    }
    
    .canvas-toolbar .toolbar-btn span {
        display: none;
    }
    
    .canvas-toolbar .toolbar-btn {
        padding: 5px 10px;
        height: 28px;
        border-radius: 8px;
    }
    
    .canvas-toolbar .toolbar-btn:hover {
        background: rgba(255, 255, 255, 0.08);
    }
    
    .canvas-toolbar .toolbar-separator {
        display: none;
    }
    
    .canvas-toolbar .tb-device-btn {
        padding: 4px 8px;
        font-size: 0.68rem;
    }
    
    .canvas-toolbar .toolbar-select {
        min-width: 72px;
        height: 26px;
        font-size: 0.66rem;
        border-radius: 6px;
        background: rgba(255, 255, 255, 0.04);
    }
    
    .canvas-toolbar .toolbar-zoom-btn {
        width: 24px;
        height: 24px;
    }
    
    .canvas-toolbar .tb-device-group {
        height: 26px;
        border-radius: 6px;
    }
    
    .canvas-toolbar .tb-rotate-btn {
        width: 18px !important;
        height: 18px !important;
        min-width: 18px !important;
    }
    
    .canvas-toolbar .toolbar-device-toggles {
        gap: 4px;
    }
    
    .canvas-toolbar .zoom-select {
        min-width: 56px !important;
        max-width: 60px !important;
    }
    
    .canvas-toolbar .toolbar-reset-btn {
        font-size: 0.62rem;
        padding: 4px 8px;
        height: 24px;
    }
}

/* ── 768px: iPad Mini Portrait — Tighter, polished ── */
@media (max-width: 768px) {
    .canvas-toolbar {
        max-width: 96vw;
        padding: 5px 10px;
        gap: 4px 6px;
        bottom: calc(10px + env(safe-area-inset-bottom));
        border-radius: 12px;
    }
    
    .canvas-toolbar .toolbar-btn {
        padding: 4px 8px;
        height: 26px;
    }
    
    .canvas-toolbar .toolbar-btn svg {
        width: 13px;
        height: 13px;
    }
    
    .canvas-toolbar .tb-device-btn {
        padding: 3px 6px;
        font-size: 0.62rem;
    }
    
    .canvas-toolbar .toolbar-select {
        min-width: 62px;
        height: 24px;
        font-size: 0.62rem;
        padding: 2px 6px;
    }
    
    .canvas-toolbar .toolbar-zoom-btn {
        width: 22px;
        height: 22px;
    }
    
    .canvas-toolbar .tb-device-group {
        height: 24px;
    }
    
    .canvas-toolbar .zoom-select {
        min-width: 50px !important;
        max-width: 54px !important;
    }
    
    .canvas-toolbar .toolbar-reset-btn {
        display: none;
    }
}

/* ── 640px: Phone — Scrollable single row ── */
@media (max-width: 640px) {
    .canvas-toolbar {
        flex-wrap: nowrap;
        justify-content: flex-start;
        max-width: 100vw;
        left: 4px;
        right: 4px;
        transform: none;
        bottom: calc(6px + env(safe-area-inset-bottom));
        border-radius: 10px;
        padding: 4px 8px;
        gap: 4px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .canvas-toolbar::-webkit-scrollbar {
        display: none;
    }
    
    .canvas-toolbar > * {
        flex-shrink: 0 !important;
    }
    
    .canvas-toolbar .toolbar-separator {
        display: block;
        height: 14px;
        margin: 0 1px;
        opacity: 0.3;
    }
}

/* ── 480px: Small Phone — Ultra-compact ── */
@media (max-width: 480px) {
    .canvas-toolbar {
        bottom: calc(4px + env(safe-area-inset-bottom));
        border-radius: 8px;
        padding: 3px 6px;
        gap: 3px;
    }
    
    .canvas-toolbar .toolbar-btn {
        padding: 3px 6px;
        height: 24px;
    }
    
    .canvas-toolbar .toolbar-zoom-btn {
        width: 20px;
        height: 20px;
    }
    
    .canvas-toolbar .tb-device-btn {
        padding: 2px 4px;
        font-size: 0.58rem;
    }
    
    .canvas-toolbar .toolbar-select {
        min-width: 55px;
        height: 22px;
        font-size: 0.6rem;
    }
}

/* ==========================================
   Version Badge
   ========================================== */
.version-badge {
    font-family: var(--font-heading);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    padding: 2px 7px;
    border-radius: 20px;
    align-self: center;
    transition: color 0.2s, border-color 0.2s;
    user-select: none;
}

.brand-container:hover .version-badge {
    color: var(--accent-aurora);
    border-color: rgba(var(--accent-aurora-rgb), 0.3);
}