/* ==========================================================================
   FILENAME MAKER - DESIGN SYSTEM & LAYOUT
   ========================================================================== */

/* Variables (Default: Neo-Tech Dark Theme) */
:root {
    --bg-color: #0f1013; /* Darker background for stronger panel contrast */
    --panel-bg: #1a1b20;
    --panel-border: #2c2e35;
    --control-bg: #212328;
    --control-bg-hover: #2b2e34;
    --control-border: #3b3f4d; /* Higher contrast default borders for interactive fields */
    
    --accent: #3b82f6; /* Sapphire Blue - friendly and professional */
    --accent-hover: #2563eb;
    --accent-light: rgba(59, 130, 246, 0.1);
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-inverse: #ffffff;
    
    --success: #10b981;
    --error: #ef4444;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
    
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-control: 'Inter', sans-serif;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease-out;
}

/* Neo-Tech Light Theme Variables */
[data-theme="light"] {
    --bg-color: #f3f4f6;
    --panel-bg: #ffffff;
    --panel-border: #e5e7eb;
    --control-bg: #f9fafb;
    --control-bg-hover: #f3f4f6;
    --control-border: #e5e7eb;
    
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: rgba(37, 99, 235, 0.08);
    
    --text-main: #111827;
    --text-muted: #6b7280;
    --text-inverse: #ffffff;
    
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
}

/* Classic Dark Theme Variables */
[data-theme-style="classic"] {
    --bg-color: #0b0f19;
    --panel-bg: rgba(22, 30, 49, 0.7);
    --panel-border: rgba(255, 255, 255, 0.08);
    --control-bg: rgba(13, 19, 33, 0.8);
    --control-bg-hover: rgba(30, 41, 59, 0.8);
    --control-border: rgba(255, 255, 255, 0.05);
    
    --accent: #6366f1; /* Indigo */
    --accent-hover: #4f46e5;
    --accent-light: rgba(99, 102, 241, 0.15);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;
    
    --success: #10b981;
    --error: #ef4444;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-control: 'Inter', sans-serif;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Classic Light Theme Variables */
[data-theme-style="classic"][data-theme="light"] {
    --bg-color: #f1f5f9;
    --panel-bg: rgba(255, 255, 255, 0.8);
    --panel-border: rgba(0, 0, 0, 0.06);
    --control-bg: rgba(248, 250, 252, 0.9);
    --control-bg-hover: rgba(226, 232, 240, 0.9);
    --control-border: rgba(0, 0, 0, 0.04);
    
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-light: rgba(79, 70, 229, 0.1);
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-inverse: #ffffff;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 16px 32px rgba(15, 23, 42, 0.08);
}

/* Base resets & styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    min-height: -webkit-fill-available;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    line-height: 1.5;
    overflow-x: hidden;
}

/* App Container Layout */
.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-height: 100vh;
}

/* App Header styling */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--accent);
}

.header-logo h1 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.025em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Button & Icon Styling */
.btn-icon {
    background: var(--control-bg);
    border: 1px solid var(--panel-border);
    color: var(--text-main);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--control-bg-hover);
    color: var(--accent);
    transform: translateY(-1px);
}

.btn-icon:active {
    transform: translateY(0);
}

/* ---- Theme Toggle ---- */
.theme-toggle {
    position: relative;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--control-bg);
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-main);
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        background-color 0.3s ease,
        border-color 0.3s ease,
        opacity 0.3s ease,
        box-shadow 0.3s ease;
    box-shadow: var(--shadow-md);
    opacity: 0.9;
    flex-shrink: 0;
}

.theme-toggle:hover {
    transform: scale(1.1);
    background: var(--control-bg-hover);
    opacity: 1;
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-status {
    position: absolute;
    top: 50%;
    right: calc(100% + 12px);
    transform: translateY(-50%) translateX(10px) scale(0.9);
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.5rem 0.85rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-lg);
}

.theme-status.visible {
    opacity: 1;
    transform: translateY(-50%) translateX(0) scale(1);
}

/* Small speech bubble tail */
.theme-status::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: 8px;
    height: 8px;
    background: inherit;
    border-right: 1px solid var(--panel-border);
    border-top: 1px solid var(--panel-border);
    transform: translateX(-50%) translateY(-50%) rotate(45deg);
}

.theme-toggle svg {
    position: absolute;
    width: 18px;
    height: 18px;
    transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Toggle Animation State */
[data-theme="dark"]:not([data-theme-mode="system"]) .sun-icon,
[data-theme="dark"]:not([data-theme-mode="system"]) .system-icon {
    opacity: 0;
    transform: rotate(45deg) scale(0.5);
    pointer-events: none;
}

[data-theme="dark"]:not([data-theme-mode="system"]) .moon-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"]:not([data-theme-mode="system"]) .moon-icon,
[data-theme="light"]:not([data-theme-mode="system"]) .system-icon {
    opacity: 0;
    transform: rotate(-45deg) scale(0.5);
    pointer-events: none;
}

[data-theme="light"]:not([data-theme-mode="system"]) .sun-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* System / Auto state (no data-theme attribute, or data-theme-mode="system") */
:root:not([data-theme]) .sun-icon,
:root:not([data-theme]) .moon-icon,
[data-theme-mode="system"] .sun-icon,
[data-theme-mode="system"] .moon-icon {
    opacity: 0;
    transform: rotate(-45deg) scale(0.5);
    pointer-events: none;
}

:root:not([data-theme]) .system-icon,
[data-theme-mode="system"] .system-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* Main Workspace Grid */
.app-main {
    flex: 1;
    display: flex;
}

.workspace-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    width: 100%;
}

@media (max-width: 768px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }
}

/* Panel Design System */
.panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

[data-theme-style="classic"] .panel {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.panel h2 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.panel-desc {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: -1rem;
}

/* Visually Hidden Helper (from guide) */
.visually-hidden {
    position: absolute;
    clip-path: inset(50%);
    overflow: hidden;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    white-space: nowrap;
}

/* ==========================================================================
   FORM CONTROLS & UTILITIES
   ========================================================================== */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
    width: 100%;
}

.form-group label {
    font-family: var(--font-control);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group label.highlight-label {
    color: var(--accent);
    font-weight: 600;
}

.row-group {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.row-group .form-group {
    margin-bottom: 0;
}

.half-width {
    flex: 1 1 calc(50% - 0.5rem);
}

.form-input,
.form-select {
    background: var(--control-bg);
    border: 1px solid var(--panel-border);
    color: var(--text-main);
    padding: 0.625rem 0.875rem;
    border-radius: var(--radius-md);
    font-family: var(--font-control);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    outline: none;
    width: 100%;
}

.form-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.25rem !important;
}

[data-theme="light"] .form-select {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234b5563' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
}

.form-input:focus,
.form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
    background: var(--control-bg-hover);
}

.form-input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.divider {
    height: 1px;
    background: var(--panel-border);
    margin: 0.5rem 0;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-family: var(--font-control);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent);
    color: var(--text-inverse);
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-light);
}

.btn-secondary {
    background: var(--control-bg);
    border-color: var(--panel-border);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: var(--control-bg-hover);
    border-color: var(--text-muted);
}

.btn-secondary.danger-action {
    border-color: rgba(239, 68, 68, 0.2);
}

.btn-secondary.danger-action:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border-color: var(--error);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: var(--error);
}

.btn-danger:hover:not(:disabled) {
    background: var(--error);
    border-color: var(--error);
    color: var(--text-inverse);
}

.btn-danger:disabled {
    background: var(--control-bg);
    border-color: var(--panel-border);
    color: var(--text-muted);
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-icon-only {
    padding: 0.625rem;
    width: 2.25rem;
    height: 2.25rem;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn:active,
.btn-icon-only:active {
    transform: translateY(0);
}

.btn:disabled,
.btn-icon-only:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ==========================================================================
   BADGES & CHIPS
   ========================================================================== */

.badge {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.1875rem 0.4375rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
}

.badge-text {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.4);
    font-weight: 700;
}

.badge-select {
    color: #ec4899;
    background: rgba(236, 72, 153, 0.2);
    border: 1px solid rgba(236, 72, 153, 0.4);
    font-weight: 700;
}

.badge-date {
    color: #10b981;
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.4);
    font-weight: 700;
}

.badge-index {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.4);
    font-weight: 700;
}

/* ==========================================================================
   TEMPLATE BUILDER UI
   ========================================================================== */

.template-builder-controls {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.template-controls-row,
.template-rules-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
    width: 100%;
}

.template-controls-row .control-item,
.template-rules-row .control-item {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.template-controls-row .template-select-group {
    flex: 1 1 100%;
}

.template-select-container {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    width: 100%;
}

.template-select-container .select-template {
    flex: 1;
    min-width: 120px;
}

.template-rules-row .template-separator-group {
    flex: 1 1 calc(50% - 0.375rem);
}

.template-rules-row .template-case-group {
    flex: 1.2 1 calc(50% - 0.375rem);
}

.template-controls-row label,
.template-rules-row label {
    font-family: var(--font-control);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

.button-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.fields-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 380px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

/* Custom Scrollbar for fields list */
.fields-list::-webkit-scrollbar {
    width: 6px;
}
.fields-list::-webkit-scrollbar-track {
    background: transparent;
}
.fields-list::-webkit-scrollbar-thumb {
    background: var(--panel-border);
    border-radius: var(--radius-sm);
}
.fields-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.field-item {
    background: var(--control-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-md);
    padding: 0.875rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    border-left: 4px solid var(--panel-border);
}

/* Drag Handle */
.field-drag-handle {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    cursor: grab;
    opacity: 0.35;
    transition: opacity var(--transition-fast);
    padding-right: 0.125rem;
}
.field-drag-handle:active {
    cursor: grabbing;
}
.field-item:hover .field-drag-handle {
    opacity: 0.8;
}
.field-item.dragging {
    opacity: 0.4;
    border-style: dashed;
}


/* Type Specific Color Styling */
/* Text fields: Soft Blue */
.field-item-text {
    border-left-color: #3b82f6;
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.35) rgba(59, 130, 246, 0.35) rgba(59, 130, 246, 0.35) #3b82f6;
}
.field-item-text:hover {
    background: rgba(59, 130, 246, 0.22);
    border-color: rgba(59, 130, 246, 0.65) rgba(59, 130, 246, 0.65) rgba(59, 130, 246, 0.65) #3b82f6;
}

/* Dropdown/Select fields: Soft Pink/Magenta */
.field-item-select {
    border-left-color: #ec4899;
    background: rgba(236, 72, 153, 0.12);
    border-color: rgba(236, 72, 153, 0.35) rgba(236, 72, 153, 0.35) rgba(236, 72, 153, 0.35) #ec4899;
}
.field-item-select:hover {
    background: rgba(236, 72, 153, 0.22);
    border-color: rgba(236, 72, 153, 0.65) rgba(236, 72, 153, 0.65) rgba(236, 72, 153, 0.65) #ec4899;
}

/* Date fields: Soft Green */
.field-item-date {
    border-left-color: #10b981;
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.35) rgba(16, 185, 129, 0.35) rgba(16, 185, 129, 0.35) #10b981;
}
.field-item-date:hover {
    background: rgba(16, 185, 129, 0.22);
    border-color: rgba(16, 185, 129, 0.65) rgba(16, 185, 129, 0.65) rgba(16, 185, 129, 0.65) #10b981;
}

/* Index fields: Soft Amber */
.field-item-index {
    border-left-color: #f59e0b;
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.35) rgba(245, 158, 11, 0.35) rgba(245, 158, 11, 0.35) #f59e0b;
}
.field-item-index:hover {
    background: rgba(245, 158, 11, 0.22);
    border-color: rgba(245, 158, 11, 0.65) rgba(245, 158, 11, 0.65) rgba(245, 158, 11, 0.65) #f59e0b;
}

.field-item-top {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.field-item-top .field-label {
    flex: 1;
    padding: 0.375rem 0.625rem;
    height: 1.875rem;
    font-size: 0.8125rem;
}

.field-actions {
    display: flex;
    gap: 0.25rem;
}

.btn-field-action {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-field-action:hover:not(:disabled) {
    color: var(--accent);
    background: rgba(255, 255, 255, 0.05);
}

.btn-field-action:disabled {
    opacity: 0.25;
    cursor: not-allowed;
}

.field-item-bottom {
    display: flex;
    gap: 0.75rem;
}

.field-item-bottom .field-placeholder,
.field-item-bottom .field-options,
.field-item-bottom .field-format,
.field-item-bottom .field-digits {
    padding: 0.375rem 0.625rem;
    height: 1.875rem;
    font-size: 0.75rem;
}

.add-field-actions {
    background: rgba(0,0,0,0.1);
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px dashed var(--panel-border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.label-tiny {
    font-family: var(--font-control);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.btn-group-segments {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-group-segments .add-field-btn {
    flex: 1;
    background: var(--control-bg);
    border: 1px solid var(--control-border);
    color: var(--text-main);
    font-size: 0.75rem;
    padding: 0.5rem;
}

.btn-group-segments .add-field-btn[data-type="text"] {
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.04);
}
.btn-group-segments .add-field-btn[data-type="text"]:hover {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.12);
    color: #3b82f6;
}

.btn-group-segments .add-field-btn[data-type="select"] {
    border-color: rgba(236, 72, 153, 0.3);
    background: rgba(236, 72, 153, 0.04);
}
.btn-group-segments .add-field-btn[data-type="select"]:hover {
    border-color: #ec4899;
    background: rgba(236, 72, 153, 0.12);
    color: #ec4899;
}

.btn-group-segments .add-field-btn[data-type="date"] {
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.04);
}
.btn-group-segments .add-field-btn[data-type="date"]:hover {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
}

.btn-group-segments .add-field-btn[data-type="index"] {
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.04);
}
.btn-group-segments .add-field-btn[data-type="index"]:hover {
    border-color: #f59e0b;
    background: rgba(245, 158, 11, 0.12);
    color: #f59e0b;
}

.store-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.store-actions .btn {
    flex: 1;
}

/* ==========================================================================
   NAMER FORM & PREVIEW
   ========================================================================== */

.preview-workspace {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.namer-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    background: rgba(0, 0, 0, 0.1);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--panel-border);
}

@media (min-width: 640px) {
    .namer-form {
        grid-template-columns: 1fr 1fr;
    }
}

.field-helper-text {
    font-size: 0.725rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    display: block;
}

.live-preview-box {
    background: var(--control-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preview-label {
    font-family: var(--font-control);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filename-preview {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 500;
    color: var(--success);
    word-break: break-all;
    background: rgba(16, 185, 129, 0.05);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(16, 185, 129, 0.15);
}

/* ==========================================================================
   DRAG AND DROP RE-NAMER
   ========================================================================== */

.renamer-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.renamer-section h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
}

.dropzone {
    border: 2px dashed rgba(59, 130, 246, 0.25);
    border-radius: var(--radius-md);
    padding: 2.25rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: rgba(59, 130, 246, 0.02);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.dropzone:hover,
.dropzone.drag-active {
    border-color: var(--accent);
    background: var(--accent-light);
    box-shadow: inset 0 0 12px rgba(59, 130, 246, 0.1);
}

.dropzone-icon {
    color: var(--accent);
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.dropzone:hover .dropzone-icon,
.dropzone.drag-active .dropzone-icon {
    opacity: 1;
    color: var(--accent-hover);
    transform: translateY(-3px);
}

.dropzone-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.browse-link {
    color: var(--accent);
    font-weight: 500;
    text-decoration: underline;
}

.files-list-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.1);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--panel-border);
}

.files-list-header {
    font-family: var(--font-control);
    display: grid;
    grid-template-columns: 1fr 24px 1fr 24px;
    gap: 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0 0.5rem;
}

.files-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 250px;
    overflow-y: auto;
}

/* Custom scrollbar for files list */
.files-list::-webkit-scrollbar {
    width: 6px;
}
.files-list::-webkit-scrollbar-track {
    background: transparent;
}
.files-list::-webkit-scrollbar-thumb {
    background: var(--panel-border);
    border-radius: var(--radius-sm);
}

.file-row {
    display: grid;
    grid-template-columns: 1fr 24px 1fr 24px;
    gap: 0.75rem;
    background: var(--control-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem;
    align-items: center;
    font-size: 0.8125rem;
    transition: border-color var(--transition-fast);
}

.file-row:hover {
    border-color: rgba(255,255,255,0.1);
}

.file-info-col {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
}

.file-name-original {
    color: var(--text-main);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size-badge {
    font-family: var(--font-control);
    font-size: 0.6875rem;
    color: var(--text-muted);
}

.file-arrow-col {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.file-target-col {
    min-width: 0;
}

.file-name-target {
    color: var(--success);
    font-family: var(--font-mono);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-file-remove {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.btn-file-remove:hover {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

.rename-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.info-msg,
.error-msg {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-align: center;
    padding: 1.5rem;
}

.error-msg {
    color: var(--error);
}

/* Scrollbar Customization for Tech Theme */
[data-theme-style="tech"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
[data-theme-style="tech"] ::-webkit-scrollbar-track {
    background: var(--bg-color);
}
[data-theme-style="tech"] ::-webkit-scrollbar-thumb {
    background: var(--panel-border);
    border: 2px solid var(--bg-color);
    border-radius: 4px;
}
[data-theme-style="tech"] ::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}