/*
 * DSN Packaging Builder – Frontend Styles
 *
 * Scoped under .dsn-packaging-root to avoid theme/plugin conflicts.
 * Mobile-first responsive design.
 */

/* ═══════════════════════════════════════════
   CSS Custom Properties
   ═══════════════════════════════════════════ */
.dsn-packaging-root {
    --dpb-primary: #0090CC;
    --dpb-primary-dark: #115F8E;
    --dpb-primary-light: #7DD8F5;
    --dpb-accent: #0090CC;
    --dpb-gradient: linear-gradient(135deg, #2175e9 0%, #0f4fa8 100%);
    --dpb-gradient-soft: linear-gradient(135deg, rgb(102 190 234 / 8%) 0%, rgb(75 133 162 / 8%) 100%);

    --dpb-success: #10b981;
    --dpb-warning: #f59e0b;
    --dpb-danger: #ef4444;
    --dpb-info: #3b82f6;

    --dpb-bg: #ffffff;
    --dpb-bg-subtle: #f8fafc;
    --dpb-bg-muted: #f1f5f9;
    --dpb-surface: #ffffff;
    --dpb-border: #e2e8f0;
    --dpb-border-light: #f1f5f9;

    --dpb-text: #1e293b;
    --dpb-text-muted: #64748b;
    --dpb-text-subtle: #94a3b8;

    --dpb-radius-sm: 8px;
    --dpb-radius: 12px;
    --dpb-radius-lg: 16px;
    --dpb-radius-xl: 24px;

    --dpb-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --dpb-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --dpb-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --dpb-shadow-xl: 0 20px 50px -12px rgba(0, 0, 0, 0.15);

    --dpb-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --dpb-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout metrics – kept in sync with .dpb-section-title so the right
       column can be offset by exactly one section heading. */
    --dpb-section-title-size: 1.05rem;
    --dpb-section-title-gap: 16px;
    --dpb-section-title-block: calc(var(--dpb-section-title-size) * 1.6 + var(--dpb-section-title-gap));
    --dpb-canvas-max: 660px;
    --dpb-design-gap: 32px;

    font-family: var(--dpb-font);
    color: var(--dpb-text);
    line-height: 1.6;
    box-sizing: border-box;
    max-width: 1100px;
    margin: 0 auto;
}

.dsn-packaging-root *,
.dsn-packaging-root *::before,
.dsn-packaging-root *::after {
    box-sizing: border-box;
}

/* ═══════════════════════════════════════════
   Landing Screen
   ═══════════════════════════════════════════ */
.dpb-landing {
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
    background: var(--dpb-gradient-soft);
    border-radius: var(--dpb-radius-xl);
    border: 1px solid var(--dpb-border-light);
}

.dpb-landing-inner {
    text-align: center;
    max-width: 520px;
}

.dpb-landing-icon {
    margin-bottom: 24px;
    animation: dpb-float 3s ease-in-out infinite;
}

@keyframes dpb-float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.dpb-landing-title {
    font-size: 2rem;
    font-weight: 800;
    background: var(--dpb-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 12px 0;
    letter-spacing: -0.02em;
}

.dpb-landing-subtitle {
    font-size: 1.05rem;
    color: var(--dpb-text-muted);
    margin: 0 0 32px 0;
    line-height: 1.7;
}

/* ═══════════════════════════════════════════
   Buttons
   ═══════════════════════════════════════════ */
.dpb-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--dpb-radius-sm);
    font-family: var(--dpb-font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--dpb-transition);
    text-decoration: none;
    white-space: nowrap;
}

.dpb-btn:focus-visible {
    outline: 2px solid var(--dpb-primary);
    outline-offset: 2px;
}

.dpb-btn-primary {
    background: var(--dpb-gradient);
    color: #fff;
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.35);
}

.dpb-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.45);
}

.dpb-btn-accent {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
    box-shadow: 0 4px 14px rgba(245, 87, 108, 0.3);
}

.dpb-btn-accent:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(245, 87, 108, 0.4);
}

.dpb-btn-outline {
    background: transparent;
    color: var(--dpb-primary);
    border: 1.5px solid var(--dpb-primary);
}

.dpb-btn-outline:hover {
    background: var(--dpb-gradient-soft);
}

.dpb-btn-ghost {
    background: transparent;
    color: var(--dpb-text-muted);
}

.dpb-btn-ghost:hover {
    color: var(--dpb-text);
    background: var(--dpb-bg-muted);
}

.dpb-btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.dpb-btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.dpb-btn-full {
    width: 100%;
    justify-content: center;
}

.dpb-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.dpb-add-ingredient-btn {
    background: var(--dpb-gradient);
    color: white;
    padding: 0 20px;
}

/* ═══════════════════════════════════════════
   Tab Panels
   ═══════════════════════════════════════════ */
.dpb-tab-panel {
    animation: dpb-fade-in 0.35s ease-out;
}

@keyframes dpb-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dpb-panel-content {
    min-height: 0;
}

.dpb-section {
    margin-bottom: 28px;
}

.dpb-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.dpb-section-title {
    font-size: var(--dpb-section-title-size);
    font-weight: 700;
    color: var(--dpb-text);
    line-height: 1.6;
    margin: 0 0 var(--dpb-section-title-gap) 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dpb-section-header .dpb-section-title {
    margin-bottom: 0;
}

/* ═══════════════════════════════════════════
   Tab Actions (bottom bar)
   ═══════════════════════════════════════════ */
.dpb-tab-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px 0 4px;
    border-top: 1px solid var(--dpb-border-light);
    margin-top: 28px;
    flex-wrap: wrap;
}

.dpb-tab-actions .dpb-btn {
    min-width: 220px;
    justify-content: center;
}

/* ═══════════════════════════════════════════
   Tab 1 – Two-Column Design Layout
   ═══════════════════════════════════════════ */
.dpb-design-layout {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) minmax(0, var(--dpb-canvas-max));
    gap: var(--dpb-design-gap);
    align-items: start;
}

.dpb-design-left {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* The last section in the rail should not add trailing space. */
.dpb-design-left .dpb-section:last-child {
    margin-bottom: 0;
}

.dpb-design-right {
    position: sticky;
    top: 16px;
    /* Align the canvas' top edge with the top of .dpb-package-types, i.e.
       skip the height of the left column's first section heading. */
    margin-top: var(--dpb-section-title-block);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    /* Prevent canvas from overflowing viewport */
    max-height: calc(100vh - 160px);
}

/* ═══════════════════════════════════════════
   Package Type Selector (Tab 1)
   ═══════════════════════════════════════════ */
.dpb-package-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

/* With an odd number of types the last card spans the full row. */
.dpb-package-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
}

.dpb-package-card {
    border: 2px solid var(--dpb-border);
    border-radius: var(--dpb-radius);
    padding: 10px;
    text-align: center;
    cursor: pointer;
    transition: all var(--dpb-transition);
    background: var(--dpb-surface);
    position: relative;
}

.dpb-package-card:hover {
    border-color: var(--dpb-primary-light);
    box-shadow: var(--dpb-shadow);
    transform: translateY(-2px);
}

.dpb-package-card.active {
    border-color: var(--dpb-primary);
    background: var(--dpb-gradient-soft);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.dpb-package-card svg,
.dpb-package-card img {
    max-height: 40px;
    margin-bottom: 6px;
}

.dpb-package-card-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--dpb-text);
    line-height: 1.3;
}

/* ═══════════════════════════════════════════
   Canvas Editor – Toolbar (Tab 1)
   ═══════════════════════════════════════════ */
.dpb-editor-toolbar {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Default icon-only tool button (legacy, unused in Tab1 now) */
.dpb-tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 8px;
    border: 1px solid var(--dpb-border);
    border-radius: var(--dpb-radius-sm);
    background: var(--dpb-surface);
    color: var(--dpb-text-muted);
    cursor: pointer;
    font-size: 0.7rem;
    font-family: var(--dpb-font);
    font-weight: 500;
    transition: all var(--dpb-transition);
}

/* Wide tool button: icon + text in a row */
.dpb-tool-btn--wide {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--dpb-text);
    border-radius: var(--dpb-radius-sm);
    border: 1.5px solid var(--dpb-border);
    width: 100%;
    text-align: left;
}

.dpb-tool-btn:hover {
    color: var(--dpb-primary);
    border-color: var(--dpb-primary-light);
    background: var(--dpb-gradient-soft);
}

.dpb-tool-btn--wide:hover {
    color: var(--dpb-primary);
}

.dpb-tool-danger:hover {
    color: var(--dpb-danger);
    border-color: #fecaca;
    background: #fef2f2;
}

/* Outer wrapper – holds border, shadow and constrains canvas size */
.dpb-canvas-container-wrap {
    width: 100%;
    max-width: var(--dpb-canvas-max);
    margin: 0 auto;
    border-radius: var(--dpb-radius);
    border: 1px solid var(--dpb-border);
    box-shadow: var(--dpb-shadow-lg);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 0;
    transition: border-color var(--dpb-transition), box-shadow var(--dpb-transition);
    background: #fff;
}

/* Drop-zone drag-over highlight on the wrap */
.dpb-canvas-container-wrap.dpb-drag-over {
    border-color: var(--dpb-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2), var(--dpb-shadow-lg);
    background: var(--dpb-gradient-soft);
}

.dpb-canvas-container {
    /*
     * 95% of the wrap's width, strict 1:1 – height never auto-stretches.
     */
    width: 95%;
    aspect-ratio: 1 / 1;
    height: auto;
    /* ensure height is driven by aspect-ratio only */
    max-height: none;
    /* prevent viewport-based height cap */
    background: transparent;
    border-radius: calc(var(--dpb-radius) - 1px);
    overflow: hidden;
    position: relative;
}

/* Drop-zone drag-over placeholder highlight */
.dpb-canvas-container-wrap.dpb-drag-over .dpb-canvas-placeholder {
    color: var(--dpb-primary);
}

/* Placeholder – shown when no label is uploaded */
/* Sits at z-index 15: above mockup (10) but below controls (20) */
.dpb-canvas-placeholder {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--dpb-text-subtle);
    z-index: 15;
    pointer-events: none;
    width: auto;
    height: auto;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(6px);
    border-radius: 40px;
    padding: 10px 20px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--dpb-border-light);
    flex-direction: row;
    white-space: nowrap;
}

.dpb-canvas-placeholder svg {
    opacity: 0.5;
    flex-shrink: 0;
}

.dpb-canvas-placeholder span {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--dpb-text-muted);
    padding: 0;
}

/* ── Layer 1: Label image – sits BELOW the mockup overlay ── */
.dpb-label-image {
    position: absolute;
    z-index: 2;
    object-fit: fill;
    pointer-events: none;
    /* handled by .dpb-label-controls above */
    user-select: none;
    /* position & size set by JS */
}

/* ── Layer 2: Mockup overlay (non-interactive) ── */
.dpb-mockup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    pointer-events: none;
    z-index: 10;
    user-select: none;
    /* Smooth transition when switching package type */
    transition: opacity 0.3s ease;
}

/* Drag-over pulse on placeholder */
.dpb-canvas-container-wrap.dpb-drag-over .dpb-canvas-placeholder {
    color: var(--dpb-primary);
    border-color: rgba(102, 126, 234, 0.3);
    background: rgba(102, 126, 234, 0.08);
    animation: dpb-pulse-badge 0.8s ease-in-out infinite alternate;
}

@keyframes dpb-pulse-badge {
    from {
        transform: translateX(-50%) scale(1);
    }

    to {
        transform: translateX(-50%) scale(1.04);
    }
}

/* ── Layer 3: Controls – ABOVE the mockup, always visible ── */
.dpb-label-controls {
    position: absolute;
    z-index: 20;
    cursor: move;
    user-select: none;
    touch-action: none;
    /* position & size synced with label image by JS */
}

/* Selection border – always visible when controls shown */
.dpb-label-border {
    position: absolute;
    inset: 0;
    border: 2px dashed #0d9488;
    pointer-events: none;
}

/* Resize handles – always visible */
.dpb-resize-handle {
    position: absolute;
    width: 26px;
    height: 26px;
    background: #0d9488;
    border-radius: 50%;
    z-index: 25;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.dpb-resize-handle svg {
    width: 14px;
    height: 14px;
    display: block;
}

/* Corner handles */
.dpb-handle-nw {
    top: -13px;
    left: -13px;
    cursor: nw-resize;
}

.dpb-handle-ne {
    top: -13px;
    right: -13px;
    cursor: ne-resize;
}

.dpb-handle-sw {
    bottom: -13px;
    left: -13px;
    cursor: sw-resize;
}

.dpb-handle-se {
    bottom: -13px;
    right: -13px;
    cursor: se-resize;
}

/* Edge handles – centered on each side */
.dpb-handle-n {
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    cursor: n-resize;
}

.dpb-handle-s {
    bottom: -13px;
    left: 50%;
    transform: translateX(-50%);
    cursor: s-resize;
}

.dpb-handle-w {
    left: -13px;
    top: 50%;
    transform: translateY(-50%);
    cursor: w-resize;
}

.dpb-handle-e {
    right: -13px;
    top: 50%;
    transform: translateY(-50%);
    cursor: e-resize;
}

/* Hidden export canvas */
.dpb-canvas-container canvas {
    display: none;
}

/* ═══════════════════════════════════════════
   AI Form (Tab 1)
   ═══════════════════════════════════════════ */
.dpb-ai-form {
    background: var(--dpb-gradient-soft);
    border: 1px solid rgba(102, 126, 234, 0.15);
    border-radius: var(--dpb-radius);
    padding: 20px;
}

.dpb-form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.dpb-form-group {
    margin-bottom: 16px;
}

.dpb-form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--dpb-text);
    margin-bottom: 6px;
}

.dpb-input,
.dpb-select,
.dpb-textarea {
    width: 100%;
    border: 1.5px solid var(--dpb-border) !important;
    border-radius: var(--dpb-radius-sm) !important;
    font-family: var(--dpb-font);
    color: var(--dpb-text);
    background: var(--dpb-surface);
    transition: border-color var(--dpb-transition), box-shadow var(--dpb-transition);
    outline: none;
    min-height: 3rem;
}

/* Custom dropdown arrow for <select> */
.dpb-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 36px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%236b7280' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px 16px;
    cursor: pointer;
}

.dpb-input:focus,
.dpb-select:focus,
.dpb-textarea:focus {
    border-color: var(--dpb-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.12);
}

.dpb-select:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%23667eea' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.dpb-input.dpb-input-error {
    border-color: var(--dpb-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.dpb-ai-status {
    margin-top: 12px;
    padding: 12px 16px;
    border-radius: var(--dpb-radius-sm);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dpb-ai-status.loading {
    background: #eff6ff;
    color: var(--dpb-info);
}

.dpb-ai-status.success {
    background: #ecfdf5;
    color: var(--dpb-success);
}

.dpb-ai-status.error {
    background: #fef2f2;
    color: var(--dpb-danger);
}

/* ═══════════════════════════════════════════

   Lead Modal
   ═══════════════════════════════════════════ */
.dpb-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: dpb-overlay-in 0.2s ease-out;
}

@keyframes dpb-overlay-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.dpb-modal {
    background: var(--dpb-surface);
    /* Same card shape as .acmc-form-card on /contact/. */
    border: 1px solid #dce7f2;
    border-radius: 18px;
    box-shadow: var(--dpb-shadow-xl);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: dpb-modal-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes dpb-modal-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.dpb-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    /* Themes often add button padding, which squeezes the icon to zero width. */
    padding: 0;
    border: none;
    background: var(--dpb-bg-muted);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dpb-text-muted);
    transition: all var(--dpb-transition);
    z-index: 1;
}

.dpb-modal-close svg {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
}

.dpb-modal-close:hover {
    color: var(--dpb-text);
    background: var(--dpb-border);
}

.dpb-modal-body {
    padding: 30px 28px 28px;
}

.dpb-modal-title {
    font-family: var(--acm-form-font);
    font-size: clamp(20px, 3.4vw, 26px);
    font-weight: 500;
    line-height: 1.2;
    margin: 0 0 8px 0;
    color: var(--acm-form-ink);
}

.dpb-modal-subtitle {
    font-family: var(--acm-form-font);
    font-size: 14px;
    line-height: 1.6;
    color: var(--acm-form-ink-mid);
    margin: 0 0 22px 0;
}

.dpb-required {
    color: var(--dpb-danger);
}

/* ═══════════════════════════════════════════
   Lead Form – matches the /contact/ form
   (theme tokens mirrored from assets/css/contact.css
   so the popup reads as part of the site, not the plugin)
   ═══════════════════════════════════════════ */
.dpb-lead-form {
    --acm-form-blue: #0f4fa8;
    --acm-form-blue-dark: #0d4291;
    --acm-form-ink: #0d2438;
    --acm-form-ink-mid: #4a6b85;
    --acm-form-field-ink: #0d1f2d;
    --acm-form-line: #dce7f2;
    --acm-form-green: #34a853;
    --acm-form-green-soft: #e7f6ec;
    --acm-form-font: 'Outfit', var(--dpb-font);

    font-family: var(--acm-form-font);
}

.dpb-lead-form .dpb-form-group {
    margin-bottom: 14.5px;
}

.dpb-lead-form .dpb-form-group label {
    display: block;
    font-family: var(--acm-form-font);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--acm-form-ink);
    margin-bottom: 6px;
}

.dpb-lead-form .dpb-input,
.dpb-lead-form .dpb-textarea {
    width: 100%;
    /* The base .dpb-input rules use !important to survive theme resets. */
    border: 1px solid var(--acm-form-line) !important;
    border-radius: 10px !important;
    font-family: var(--acm-form-font);
    font-size: 14.5px;
    line-height: 1.5;
    color: var(--acm-form-field-ink);
    background: #fff;
    padding: 12px 16px;
    min-height: 48px;
    box-shadow: none;
    transition: border-color .2s ease, box-shadow .2s ease;
}

.dpb-lead-form .dpb-textarea {
    min-height: 140px;
    resize: vertical;
}

.dpb-lead-form .dpb-input::placeholder,
.dpb-lead-form .dpb-textarea::placeholder {
    color: #8ba4b8;
}

.dpb-lead-form .dpb-input:focus,
.dpb-lead-form .dpb-textarea:focus {
    border-color: var(--acm-form-blue) !important;
    box-shadow: 0 0 0 3px rgba(15, 79, 168, 0.12) !important;
}

.dpb-lead-form .dpb-input.dpb-input-error {
    border-color: var(--dpb-danger) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12) !important;
}

/* Pill submit button, same as .wpcf7-submit on the contact page. */
.dpb-lead-form .dpb-lead-submit {
    width: 100%;
    margin-top: 6px;
    padding: 14px 32px;
    border: 0;
    border-radius: 999px;
    background: var(--acm-form-blue);
    color: #fff;
    font-family: var(--acm-form-font);
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.2px;
    text-transform: none;
    box-shadow: 0 4px 14px rgba(22, 104, 212, 0.28);
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}

.dpb-lead-form .dpb-lead-submit:hover:not(:disabled) {
    background: var(--acm-form-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(22, 104, 212, 0.32);
}

.dpb-lead-form .dpb-lead-submit:disabled {
    opacity: 0.65;
    cursor: default;
    transform: none;
}

.dpb-lead-status {
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    font-family: var(--acm-form-font);
    font-size: 14px;
    text-align: center;
}

.dpb-lead-status.error {
    background: #fef2f2;
    color: var(--dpb-danger);
}

.dpb-lead-success {
    text-align: center;
    padding: 20px 0;
    font-family: 'Outfit', var(--dpb-font);
}

.dpb-lead-success h3 {
    font-size: clamp(20px, 3.4vw, 26px);
    font-weight: 500;
    line-height: 1.2;
    margin: 16px 0 8px;
    color: #0d2438;
}

.dpb-lead-success p {
    color: #4a6b85;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.dpb-lead-success .dpb-success-hint {
    display: inline-block;
    margin-top: 16px;
    padding: 10px 18px;
    border-radius: 999px;
    background: #e7f6ec;
    color: #217a3c;
    font-size: 13.5px;
    font-weight: 600;
}

/* ═══════════════════════════════════════════
   Skeleton Loading
   ═══════════════════════════════════════════ */
.dpb-skeleton {
    position: relative;
    overflow: hidden;
    background: var(--dpb-bg-muted);
    border-radius: var(--dpb-radius-sm);
}

.dpb-skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.5) 50%, transparent 100%);
    animation: dpb-shimmer 1.5s infinite;
}

@keyframes dpb-shimmer {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(100%);
    }
}

.dpb-skeleton-cards {
    height: 160px;
}

.dpb-skeleton-list {
    height: 300px;
}

.dpb-skeleton-summary {
    height: 400px;
    grid-column: 1 / -1;
}

/* ═══════════════════════════════════════════
   Spinner
   ═══════════════════════════════════════════ */
.dpb-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: dpb-spin 0.6s linear infinite;
}

.dpb-spinner-dark {
    border-color: rgba(0, 0, 0, 0.1);
    border-top-color: var(--dpb-primary);
}

@keyframes dpb-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ═══════════════════════════════════════════

   Responsive
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
    .dsn-packaging-root {
        margin: 0 -8px;
    }

    .dpb-landing {
        padding: 40px 20px;
        min-height: 320px;
    }

    .dpb-landing-title {
        font-size: 1.5rem;
    }

    .dpb-design-layout {
        grid-template-columns: 1fr;
    }

    .dpb-design-right {
        position: static;
        margin-top: 0;
        justify-content: center;
    }

    .dpb-design-left {
        max-height: none;
        overflow-y: visible;
    }

    .dpb-package-types {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .dpb-form-row {
        grid-template-columns: 1fr;
    }

    .dpb-formula-layout {
        grid-template-columns: 1fr;
    }

    .dpb-formula-right {
        order: -1;
    }

    .dpb-output-panel {
        position: static;
    }

    .dpb-ingredient-row {
        grid-template-columns: 24px 1fr 22% 60px auto 32px;
        gap: 6px;
        padding: 10px 12px;
    }

    .dpb-tab-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .dpb-tab-actions .dpb-btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .dpb-modal-body {
        padding: 28px 20px 24px;
    }
}