:root {
    --primary: #4f8cff;
    --brand-accent: #62f28c;
    --bg-sidebar: #f7f9fc;
    --bg-sidebar-soft: #ffffff;
    --bg-app: #edf2fa;
    --bg-elevated: #ffffff;
    --bg-canvas: #dbe3f1;
    --bg-input: #f8fafc;
    --bg-input-focus: #ffffff;
    --bg-btn-secondary: #ffffff;
    --bg-btn-secondary-hover: #eef4ff;
    --border: rgba(15, 23, 42, 0.1);
    --text: #162033;
    --text-muted: #64748b;
    --shadow-strong: 0 28px 60px rgba(15, 23, 42, 0.12);
    --preview-dot: rgba(15, 23, 42, 0.12);
}

[data-theme="dark"] {
    --primary: #7aa2ff;
    --brand-accent: #62f28c;
    --bg-sidebar: #11151d;
    --bg-sidebar-soft: #171d27;
    --bg-app: #05070b;
    --bg-elevated: #181f2a;
    --bg-canvas: #0a0e15;
    --bg-input: #151b24;
    --bg-input-focus: #1b2230;
    --bg-btn-secondary: #181e28;
    --bg-btn-secondary-hover: #202838;
    --border: rgba(255, 255, 255, 0.08);
    --text: #eef4ff;
    --text-muted: #8b95a7;
    --shadow-strong: 0 35px 90px rgba(0, 0, 0, 0.45);
    --preview-dot: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    background: var(--bg-app);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100%;
    flex-direction: row-reverse;
}

.sidebar {
    width: 430px;
    background: var(--bg-sidebar);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 10;
    flex-shrink: 0;
    box-shadow: -24px 0 60px rgba(0, 0, 0, 0.14);
}

.sidebar-header {
    padding: 24px 24px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    background:
        radial-gradient(circle at top right, rgba(79, 140, 255, 0.15), transparent 36%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
}

.sidebar-header > div:first-child {
    flex: 1;
}

.sidebar-header h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.sidebar-header p {
    margin: 8px 0 0;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.55;
}

.sidebar-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.sidebar-brand-logo {
    display: block;
    width: 100%;
    max-width: 250px;
    height: auto;
}

[data-theme="dark"] .sidebar-brand-logo {
    filter: invert(1) brightness(1.08);
}

.controls {
    flex: 1;
    overflow-y: auto;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.section-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    letter-spacing: 0.12em;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

label {
    font-size: 13px;
    font-weight: 500;
}

input, select, textarea {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    width: 100%;
    font-family: inherit;
    background: var(--bg-input, #f9fafb);
    color: var(--text);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-input-focus, #fff);
    box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.14);
}

textarea { resize: vertical; }

/* Color input styling */
input[type="color"] {
    padding: 4px 8px;
    height: 42px;
    cursor: pointer;
    -webkit-appearance: none;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-sidebar);
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}

input[type="color"]::-moz-color-swatch {
    border: none;
    border-radius: 4px;
}

input[type="color"]:focus {
    outline: none;
    border-color: var(--primary);
}

.dual-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.actions {
    padding: 18px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-sidebar);
    display: flex;
    gap: 10px;
}

.secondary-btn {
    width: 100%;
    padding: 13px 14px;
    background: var(--bg-btn-secondary, white);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.secondary-btn:hover {
    background: var(--bg-btn-secondary-hover, #f9fafb);
    transform: translateY(-1px);
}

.primary-btn {
    width: 100%;
    padding: 13px 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.primary-btn:hover {
    background: #3f7eff;
    transform: translateY(-1px);
    box-shadow: 0 12px 30px rgba(79, 140, 255, 0.28);
}

.mobile-toggle {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 100;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 999px;
    padding: 12px 20px;
    font-weight: 600;
    box-shadow: 0 14px 32px rgba(79, 140, 255, 0.32);
    cursor: pointer;
    align-items: center;
    gap: 8px;
}

.mobile-only {
    display: none;
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0 8px;
    line-height: 1;
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .mobile-toggle {
        display: flex;
    }

    .mobile-only {
        display: block;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        transform: translateY(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
    }

    .sidebar.open {
        transform: translateY(0);
    }

    .sidebar-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px;
    }

    .sidebar-header h1 {
        font-size: 18px;
    }

    .sidebar-header p {
        font-size: 12px;
    }

    .preview-area {
        width: 100%;
        height: 100vh;
        padding: 18px 16px 22px;
    }

    .preview-topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .brand-line {
        width: 56px;
    }

    .brand-copy h2 {
        font-size: 22px;
    }

    .preview-stage {
        border-radius: 22px;
    }

    .canvas-shell {
        padding: 18px;
    }

    .settings-tab-strip {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .inline-action-row {
        flex-direction: column;
    }

    .inline-btn {
        width: 100%;
    }
}

.preview-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 28px 34px 24px;
    background:
        radial-gradient(circle at top, rgba(79, 140, 255, 0.12), transparent 28%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 20%),
        var(--bg-app);
    overflow: hidden;
    position: relative;
}

.preview-topbar {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
    margin-bottom: 22px;
}

.brand-block {
    display: flex;
    align-items: center;
}

.brand-copy {
    display: flex;
    align-items: center;
}

.brand-copy h2 {
    margin: 0;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.preview-topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-chip {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.preview-stage {
    position: relative;
    flex: 1;
    min-height: 0;
    border-radius: 30px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-canvas);
}

.preview-stage-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--preview-dot) 1px, transparent 1px);
    background-size: 18px 18px;
    opacity: 0.65;
    pointer-events: none;
}

.canvas-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.canvas-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    box-shadow: var(--shadow-strong);
    background: white;
    transform-origin: center center;
    width: 1080px;
    height: 1080px;
    border-radius: 0px;
    overflow: hidden;
}

#renderTarget {
    width: 100%;
    height: 100%;
    background: white;
}

/*.zoom-controls {
    position: absolute;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    background: rgba(11, 15, 22, 0.78);
    color: white;
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    pointer-events: none;
}
*/
.help-text {
    font-size: 12px;
    color: var(--text-muted);
    margin: 4px 0 0;
    line-height: 1.5;
}

.settings-tab-strip {
    position: sticky;
    top: 0;
    z-index: 5;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--bg-sidebar);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

.settings-tab-button {
    border: 1px solid var(--border);
    background: var(--bg-sidebar-soft);
    color: var(--text-muted);
    border-radius: 14px;
    padding: 12px 10px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.settings-tab-button:hover {
    color: var(--text);
    transform: translateY(-1px);
}

.settings-tab-button.is-active {
    color: #ffffff;
    background: linear-gradient(180deg, rgba(122, 162, 255, 0.96), rgba(79, 140, 255, 0.82));
    border-color: rgba(122, 162, 255, 0.52);
    box-shadow: 0 10px 24px rgba(79, 140, 255, 0.24);
}

.settings-tab-panel {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 50%),
        var(--bg-elevated);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
}

.settings-tab-panel[hidden] {
    display: none !important;
}

.settings-tab-panel.is-active {
    display: flex;
}

.control-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.template-specific-controls {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.input-divider {
    margin: 5px 0;
    font-size: 12px;
    text-align: center;
    color: var(--text-muted);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.section-subtitle {
    margin-top: 4px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.editor-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.template-actions {
    display: flex;
    gap: 10px;
}

.inline-action-row {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.inline-action-row input {
    flex: 1;
}

.small-btn {
    padding: 10px 12px;
    font-size: 13px;
}

.inline-btn {
    width: auto;
    min-width: 88px;
    flex: 0 0 auto;
}

.banner-slot-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 10px;
}

.banner-slot-card {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    background: var(--bg-btn-secondary, #ffffff);
    display: flex;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.banner-slot-card:hover {
    background: var(--bg-btn-secondary-hover, #f9fafb);
    border-color: rgba(37, 99, 235, 0.35);
}

.banner-slot-card.is-active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.banner-slot-top {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    font-weight: 600;
}

.banner-slot-card input {
    margin: 0;
    accent-color: var(--primary);
}

.banner-slot-card small {
    color: var(--text-muted);
    font-size: 12px;
}

.layers-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.layer-list-item {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-btn-secondary, #ffffff);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    text-align: left;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.layer-list-item:hover {
    background: var(--bg-btn-secondary-hover, #f9fafb);
    border-color: rgba(37, 99, 235, 0.35);
}

.layer-list-item.is-active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.layer-list-item.is-dragging {
    opacity: 0.55;
}

.layer-list-item.is-drop-before,
.layer-list-item.is-drop-after {
    border-color: var(--primary);
}

.layer-list-item.is-drop-before {
    box-shadow: inset 0 3px 0 0 var(--primary);
}

.layer-list-item.is-drop-after {
    box-shadow: inset 0 -3px 0 0 var(--primary);
}

.layer-list-grip {
    width: 20px;
    display: grid;
    grid-template-columns: repeat(2, 4px);
    gap: 4px;
    justify-content: center;
    align-content: center;
    flex: 0 0 auto;
    cursor: grab;
}

.layer-list-grip span {
    width: 4px;
    height: 4px;
    border-radius: 999px;
    background: var(--text-muted);
    opacity: 0.75;
}

.layer-list-select {
    border: none;
    background: transparent;
    padding: 0;
    width: 100%;
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    text-align: left;
    min-width: 0;
}

.layer-list-main {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.layer-list-swatch {
    width: 18px;
    height: 18px;
    border-radius: 6px;
    background: var(--layer-swatch, var(--primary));
    border: 1px solid rgba(0, 0, 0, 0.08);
    flex: 0 0 auto;
}

.layer-list-name {
    font-size: 13px;
    font-weight: 600;
    min-width: 0;
}

.layer-list-type {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    flex: 0 0 auto;
}

#dynamicContent > div {
    margin-bottom: 10px;
}
/* Choices.js overrides */
.choices {
    position: relative !important;
}

.choices__inner {
    background-color: var(--bg-sidebar) !important;
    border: 1px solid var(--border) !important;
    border-radius: 6px;
    min-height: 42px;
    padding: 4px 8px;
    color: var(--text) !important;
}

.choices__list--dropdown {
    z-index: 100;
    background-color: var(--bg-sidebar) !important;
    border: 1px solid var(--border) !important;
}

.choices__list--dropdown .choices__list {
    max-height: 300px;
    overflow-y: auto;
}

.choices__item {
    font-size: 14px;
    color: var(--text) !important;
}

.choices__item--selectable.is-highlighted {
    background-color: var(--bg-btn-secondary-hover, #f3f4f6) !important;
}

.choices[data-type*="select-one"] .choices__input {
    background-color: var(--bg-input, #f3f4f6) !important;
    border-radius: 4px;
    color: var(--text) !important;
}

.choices__placeholder {
    color: var(--text-muted) !important;
}

.choices[data-type*="select-one"]::after {
    border-color: var(--text-muted) transparent transparent transparent !important;
}

.text-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 11px;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
}

.text-btn:hover {
    color: #1d4ed8;
}

.image-controls {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

/* Dark mode button styles */
[data-theme="dark"] {
    --bg-input: #374151;
    --bg-input-focus: #4b5563;
    --bg-btn-secondary: #374151;
    --bg-btn-secondary-hover: #4b5563;
}

.theme-toggle {
    background: var(--bg-sidebar-soft);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 10px 12px;
    cursor: pointer;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}

.theme-toggle:hover {
    background: var(--bg-btn-secondary-hover, #f9fafb);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: none;
}

.footer-credit {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-sidebar-soft);
    text-align: center;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.footer-credit a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.footer-credit a:hover {
    color: var(--primary);
}

.footer-credit a .external-link-icon {
    flex-shrink: 0;
    opacity: 0.7;
}

.footer-credit a:hover .external-link-icon {
    opacity: 1;
}

.footer-credit span {
    color: var(--text-muted);
    opacity: 0.7;
}

.footer-credit .separator {
    opacity: 0.4;
}