/* ================================================================
   CRITCHER'S MOD MAKER
   Fonts: Cinzel (display) + Nunito (body)
   Themes: Copper Nugget · Light · Dark · Colorblind
   ================================================================ */

/* ──────────────── THEME VARIABLES ──────────────── */

:root {
    /* Copper Nugget — aged metal, forest green */
    --primary-brown:        #78350f;
    --primary-brown-light:  #92400e;
    --primary-green:        #16a34a;
    --primary-green-dark:   #15803d;
    --bg-cream:             #fef9e7;
    --bg-light:             #fffbf0;
    --text-dark:            #1f2937;
    --text-muted:           #6b7280;
    --border-color:         #e5d9c3;
    --shadow-sm:            0 1px 2px 0 rgba(0,0,0,0.06);
    --shadow-md:            0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.06);
    --shadow-lg:            0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl:            0 20px 40px -8px rgba(0,0,0,0.2);
    --header-bg-start:      #78350f;
    --header-bg-mid:        #92400e;
    --header-bg-end:        #16a34a;
    --body-bg-start:        #92400e;
    --body-bg-mid:          #78350f;
    --body-bg-end:          #15803d;
    --main-arrow-color:     #78350f;
    --sub-arrow-color:      #92400e;

    /* Extended */
    --accent:               #b87333;
    --section-bg:           #fffdf5;
    --section-hover:        #fdf6e3;
    --section-border:       #e8dcc8;
    --zone-number-color:    #78350f;
    --toolbar-bg:           rgba(60, 20, 4, 0.88);
    --toolbar-text:         rgba(255,255,255,0.9);
    --input-bg:             #ffffff;
    --focus-ring:           rgba(22, 163, 74, 0.2);
    --preset-survival-bg:   rgba(22, 163, 74, 0.07);
    --preset-creative-bg:   rgba(139, 92, 246, 0.07);
    --preset-hardcore-bg:   rgba(220, 38, 38, 0.07);
}

[data-theme="light"] {
    --primary-brown:        #4a5568;
    --primary-brown-light:  #718096;
    --primary-green:        #38a169;
    --primary-green-dark:   #2f855a;
    --bg-cream:             #ffffff;
    --bg-light:             #f7fafc;
    --text-dark:            #1a202c;
    --text-muted:           #4a5568;
    --border-color:         #e2e8f0;
    --shadow-sm:            0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow-md:            0 4px 6px -1px rgba(0,0,0,0.08);
    --shadow-lg:            0 10px 15px -3px rgba(0,0,0,0.08);
    --shadow-xl:            0 20px 40px -8px rgba(0,0,0,0.15);
    --header-bg-start:      #2d3748;
    --header-bg-mid:        #4a5568;
    --header-bg-end:        #38a169;
    --body-bg-start:        #e2e8f0;
    --body-bg-mid:          #edf2f7;
    --body-bg-end:          #e2e8f0;
    --main-arrow-color:     #2563eb;
    --sub-arrow-color:      #4a5568;

    --accent:               #38a169;
    --section-bg:           #ffffff;
    --section-hover:        #f7fafc;
    --section-border:       #e2e8f0;
    --zone-number-color:    #718096;
    --toolbar-bg:           rgba(26, 32, 44, 0.92);
    --toolbar-text:         rgba(255,255,255,0.9);
    --input-bg:             #ffffff;
    --focus-ring:           rgba(56, 161, 105, 0.2);
    --preset-survival-bg:   rgba(56, 161, 105, 0.07);
    --preset-creative-bg:   rgba(139, 92, 246, 0.07);
    --preset-hardcore-bg:   rgba(220, 38, 38, 0.07);
}

[data-theme="dark"] {
    --primary-brown:        #a0aec0;
    --primary-brown-light:  #2d3748;
    --primary-green:        #68d391;
    --primary-green-dark:   #48bb78;
    --bg-cream:             #1a202c;
    --bg-light:             #2d3748;
    --text-dark:            #f0f4f8;
    --text-muted:           #a0aec0;
    --border-color:         #4a5568;
    --shadow-sm:            0 1px 2px 0 rgba(0,0,0,0.4);
    --shadow-md:            0 4px 6px -1px rgba(0,0,0,0.5);
    --shadow-lg:            0 10px 15px -3px rgba(0,0,0,0.6);
    --shadow-xl:            0 20px 40px -8px rgba(0,0,0,0.7);
    --header-bg-start:      #111827;
    --header-bg-mid:        #1f2937;
    --header-bg-end:        #14532d;
    --body-bg-start:        #0d1117;
    --body-bg-mid:          #111827;
    --body-bg-end:          #0d1f10;
    --main-arrow-color:     #68d391;
    --sub-arrow-color:      #a0aec0;

    --accent:               #68d391;
    --section-bg:           #252d3d;
    --section-hover:        #2d3748;
    --section-border:       #374151;
    --zone-number-color:    #68d391;
    --toolbar-bg:           rgba(5, 8, 15, 0.85);
    --toolbar-text:         rgba(255,255,255,0.75);
    --input-bg:             #2d3748;
    --focus-ring:           rgba(104, 211, 145, 0.2);
    --preset-survival-bg:   rgba(104, 211, 145, 0.08);
    --preset-creative-bg:   rgba(167, 139, 250, 0.08);
    --preset-hardcore-bg:   rgba(252, 129, 129, 0.08);
}

[data-theme="colorblind"] {
    --primary-brown:        #0066cc;
    --primary-brown-light:  #3399ff;
    --primary-green:        #00994d;
    --primary-green-dark:   #007a3d;
    --bg-cream:             #f0f8ff;
    --bg-light:             #e8f4fd;
    --text-dark:            #003366;
    --text-muted:           #4a6fa5;
    --border-color:         #aaccee;
    --shadow-sm:            0 1px 2px 0 rgba(0,51,102,0.08);
    --shadow-md:            0 4px 6px -1px rgba(0,51,102,0.12);
    --shadow-lg:            0 10px 15px -3px rgba(0,51,102,0.12);
    --shadow-xl:            0 20px 40px -8px rgba(0,51,102,0.2);
    --header-bg-start:      #003d99;
    --header-bg-mid:        #0055bb;
    --header-bg-end:        #006633;
    --body-bg-start:        #c8e0ff;
    --body-bg-mid:          #d4eaff;
    --body-bg-end:          #c8dff0;
    --main-arrow-color:     #0055bb;
    --sub-arrow-color:      #003366;

    --accent:               #0066cc;
    --section-bg:           #f0f8ff;
    --section-hover:        #e8f4fd;
    --section-border:       #aaccee;
    --zone-number-color:    #0055bb;
    --toolbar-bg:           rgba(0, 40, 100, 0.92);
    --toolbar-text:         rgba(255,255,255,0.95);
    --input-bg:             #ffffff;
    --focus-ring:           rgba(0, 102, 204, 0.2);
    --preset-survival-bg:   rgba(0, 153, 77, 0.08);
    --preset-creative-bg:   rgba(102, 51, 204, 0.08);
    --preset-hardcore-bg:   rgba(204, 0, 0, 0.08);
}

/* ──────────────── RESET & BASE ──────────────── */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(145deg, var(--body-bg-start) 0%, var(--body-bg-mid) 50%, var(--body-bg-end) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    padding: 24px 16px;
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 15px;
    transition: background 0.4s ease, color 0.3s ease;
}

/* ──────────────── CONTAINER ──────────────── */

.container {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--bg-cream);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.15);
    transition: background 0.3s ease, border-color 0.3s ease;
}

/* ──────────────── HEADER ──────────────── */

.header {
    background: linear-gradient(135deg, var(--header-bg-start) 0%, var(--header-bg-mid) 55%, var(--header-bg-end) 100%);
    color: white;
    position: relative;
    overflow: hidden;
    transition: background 0.4s ease;
}

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 15% 60%, rgba(255,255,255,0.07) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 20%, rgba(0,0,0,0.12) 0%, transparent 50%);
    pointer-events: none;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 36px 22px;
    position: relative;
    z-index: 1;
    gap: 16px;
    flex-wrap: wrap;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-logo {
    font-size: 2.8rem;
    line-height: 1;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.35));
    flex-shrink: 0;
}

.header-text h1 {
    font-family: 'Cinzel', Georgia, serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    line-height: 1.1;
    color: #fff;
}

.header-tagline {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.78);
    margin-top: 5px;
    font-style: italic;
}

.header-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.mod-counter-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 16px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 10px;
    backdrop-filter: blur(6px);
    line-height: 1.2;
    gap: 1px;
}

.counter-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.7);
}

.mod-counter-badge strong {
    font-family: 'Cinzel', serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
}

.kofi-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: white;
    text-decoration: none;
    background: rgba(255,255,255,0.14);
    padding: 9px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.22);
    transition: background 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
}

.kofi-link:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-1px);
}

/* Theme toolbar */
.theme-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 36px;
    background: var(--toolbar-bg);
    border-top: 1px solid rgba(255,255,255,0.08);
    position: relative;
    z-index: 1;
}

.theme-toolbar-label {
    color: var(--toolbar-text);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.65;
}

.theme-select {
    padding: 5px 10px;
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 6px;
    background: rgba(255,255,255,0.1);
    color: var(--toolbar-text);
    font-family: 'Nunito', sans-serif;
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.theme-select:hover,
.theme-select:focus {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.35);
}

.theme-select option {
    background: var(--bg-cream);
    color: var(--text-dark);
}

/* ──────────────── MAIN CONTENT ──────────────── */

.main-content {
    padding: 36px 36px 44px;
}

/* ──────────────── FORGE ZONES ──────────────── */

.forge-zone {
    margin-bottom: 40px;
}

.forge-zone:last-child {
    margin-bottom: 0;
}

.zone-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.zone-number {
    font-family: 'Cinzel', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--zone-number-color);
    opacity: 0.18;
    line-height: 1;
    flex-shrink: 0;
    min-width: 3ch;
}

.zone-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-left: 2.5px solid var(--accent);
    padding-left: 14px;
}

.zone-title {
    font-family: 'Cinzel', serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    letter-spacing: 0.03em;
}

.zone-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ──────────────── SECTIONS ──────────────── */

.section {
    background: var(--section-bg);
    border: 1px solid var(--section-border);
    border-radius: 12px;
    padding: 22px 24px;
    margin-bottom: 10px;
    box-shadow: var(--shadow-sm);
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.2s ease;
}

/* Section titles for the static sections (modInfo, quickPresets) */
.section-title {
    font-family: 'Cinzel', serif;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-dark);
    letter-spacing: 0.03em;
    padding: 0;
    margin-bottom: 16px;
    transition: color 0.3s ease;
}

/* Collapsible section titles (JS-built dynamic sections) */
.collapsible {
    cursor: pointer;
    user-select: none;
}

.collapsible::before {
    content: '▶';
    display: inline-block;
    margin-right: 10px;
    font-size: 0.68em;
    color: var(--main-arrow-color);
    font-weight: bold;
    transition: transform 0.25s ease;
    vertical-align: middle;
}

.collapsible.expanded::before {
    transform: rotate(90deg);
}

.section-title.collapsible {
    display: block;
    padding: 13px 18px;
    margin-bottom: 0;
    border: 1px solid var(--section-border);
    border-radius: 10px;
    background: var(--section-bg);
    transition: background 0.2s ease, border-color 0.2s ease, color 0.3s ease;
}

.section-title.collapsible:hover {
    background: var(--section-hover);
    border-color: var(--accent);
}

.section-title.collapsible.expanded {
    border-radius: 10px 10px 0 0;
    border-bottom-color: var(--section-border);
}

/* Sub-section arrows — slightly muted */
.sub-section-title.collapsible::before {
    color: var(--sub-arrow-color);
}

.hidden {
    display: none !important;
}

/* ──────────────── FORM ELEMENTS ──────────────── */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.required {
    color: var(--primary-green);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 10px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: 'Nunito', sans-serif;
    background: var(--input-bg);
    color: var(--text-dark);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.3s ease, color 0.3s ease;
}

.form-group input:hover:not(:focus),
.form-group textarea:hover:not(:focus),
.form-group select:hover:not(:focus) {
    border-color: var(--accent);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.form-group small {
    font-size: 0.77rem;
    color: var(--text-muted);
    line-height: 1.3;
}

/* ──────────────── PRESET BUTTONS ──────────────── */

.preset-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}

.btn-preset {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    padding: 18px 20px;
    border-radius: 12px;
    border: 2px solid var(--section-border);
    background: var(--section-bg);
    color: var(--text-dark);
    font-family: 'Nunito', sans-serif;
    cursor: pointer;
    text-align: left;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn-preset:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-preset:active {
    transform: translateY(-1px);
}

.preset-icon {
    font-size: 1.6rem;
    line-height: 1;
    margin-bottom: 6px;
}

.preset-name {
    font-family: 'Cinzel', serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
}

.preset-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.4;
    font-style: italic;
}

.btn-preset-survival {
    border-color: var(--primary-green);
    background: var(--preset-survival-bg);
}
.btn-preset-survival:hover {
    border-color: var(--primary-green-dark);
    background: rgba(22, 163, 74, 0.14);
}

.btn-preset-creative {
    border-color: #a78bfa;
    background: var(--preset-creative-bg);
}
.btn-preset-creative:hover {
    border-color: #7c3aed;
    background: rgba(139, 92, 246, 0.14);
}

.btn-preset-hardcore {
    border-color: #f87171;
    background: var(--preset-hardcore-bg);
}
.btn-preset-hardcore:hover {
    border-color: #dc2626;
    background: rgba(239, 68, 68, 0.14);
}

/* ──────────────── ACTION BUTTONS ──────────────── */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    font-family: 'Nunito', sans-serif;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(22,163,74,0.2);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--bg-light);
    color: var(--text-dark);
    border: 1.5px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Nunito', sans-serif;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-secondary:hover {
    background: var(--section-hover);
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-icon {
    font-size: 1.05em;
    flex-shrink: 0;
}

/* ──────────────── SUBMIT SECTION ──────────────── */

.submit-section {
    background: var(--bg-light) !important;
    border: 2px solid var(--section-border) !important;
    text-align: center;
    padding: 32px 24px !important;
}

.submit-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

/* ──────────────── STATUS MESSAGE ──────────────── */

.status-message {
    margin-top: 18px;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    display: none;
    border: 1px solid transparent;
    animation: statusSlideUp 0.3s ease;
}

@keyframes statusSlideUp {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.status-message.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border-color: #6ee7b7;
}

.status-message.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border-color: #fca5a5;
}

.status-message.info {
    display: block;
    background: #dbeafe;
    color: #1e40af;
    border-color: #93c5fd;
}

[data-theme="dark"] .status-message.success {
    background: #052e16;
    color: #86efac;
    border-color: #166534;
}

[data-theme="dark"] .status-message.error {
    background: #2d0a0a;
    color: #fca5a5;
    border-color: #7f1d1d;
}

[data-theme="dark"] .status-message.info {
    background: #0c1a36;
    color: #93c5fd;
    border-color: #1e3a5f;
}

/* ──────────────── SPINNER ──────────────── */

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
    flex-shrink: 0;
}

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

/* ──────────────── DYNAMIC SECTION LIST ITEMS ──────────────── */

.list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 7px 0;
    border-bottom: 1px solid var(--border-color);
}

.list-item:last-child {
    border-bottom: none;
}

.list-item label {
    min-width: 160px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-grid .list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    border-bottom: none;
}

.form-grid .list-item label {
    min-width: auto;
    width: 100%;
    margin-bottom: 2px;
}

.multiplier-select {
    padding: 7px 10px;
    border: 1.5px solid var(--border-color);
    border-radius: 7px;
    background: var(--input-bg);
    color: var(--text-dark);
    font-family: 'Nunito', sans-serif;
    font-size: 0.875rem;
    cursor: pointer;
    min-width: 140px;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.3s ease, color 0.3s ease;
}

.multiplier-select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.multiplier-select option.option-placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.armor-section .multiplier-select {
    min-width: 95px;
    font-size: 0.82rem;
    padding: 5px 8px;
}

.lore-creature-row .multiplier-select {
    min-width: 126px;
}

/* ──────────────── SUB-SECTIONS ──────────────── */

.sub-section {
    margin-top: 14px;
    padding: 0;
}

.sub-section-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-dark);
    padding: 8px 0;
    margin-bottom: 6px;
    border-bottom: 1px dashed var(--border-color);
    transition: color 0.3s ease, border-color 0.3s ease;
}

.bulk-section-tools,
.bulk-section-armor,
.bulk-section-creatures,
.bulk-section-stacks,
.bulk-section-light,
.bulk-section-warning {
    background: transparent !important;
    border: none !important;
}

/* ──────────────── STORAGE ──────────────── */

.storage-item-card {
    background: var(--section-bg);
    border: 1px solid var(--section-border);
    border-radius: 8px;
    padding: 12px;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.storage-item-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
    transition: color 0.3s ease;
}

.storage-input {
    padding: 7px 10px;
    border: 1.5px solid var(--border-color);
    border-radius: 7px;
    background: var(--input-bg);
    color: var(--text-dark);
    font-family: 'Nunito', sans-serif;
    font-size: 0.875rem;
    width: 100%;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.3s ease, color 0.3s ease;
}

.storage-input:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

/* ──────────────── STACK SIZES ──────────────── */

.stack-search-input {
    padding: 9px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text-dark);
    font-family: 'Nunito', sans-serif;
    font-size: 0.9rem;
    width: 100%;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.3s ease, color 0.3s ease;
}

.stack-search-input:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.category-header {
    padding: 10px 14px;
    background: var(--bg-light);
    border: 1px solid var(--section-border);
    border-radius: 7px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--text-dark);
    transition: background 0.2s ease, border-color 0.2s ease, color 0.3s ease;
}

.category-header:hover {
    background: var(--section-hover);
    border-color: var(--accent);
}

.category-content {
    transition: background 0.3s ease;
}

/* ──────────────── CHECKBOX GROUPS ──────────────── */

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-green);
}

.checkbox-group label {
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    user-select: none;
    color: var(--text-dark);
}

/* ──────────────── NUMBER INPUTS (dark mode) ──────────────── */

input[type="number"] {
    background: var(--input-bg);
    color: var(--text-dark);
    border-color: var(--border-color);
    font-family: 'Nunito', sans-serif;
}

input[type="number"]:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

/* ──────────────── RESPONSIVE ──────────────── */

@media (max-width: 768px) {
    body {
        padding: 12px 10px;
    }

    .main-content {
        padding: 22px 18px 32px;
    }

    .header-inner {
        padding: 22px 20px 18px;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .header-meta {
        width: 100%;
        justify-content: space-between;
    }

    .theme-toolbar {
        padding: 9px 20px;
    }

    .header-text h1 {
        font-size: 1.45rem;
    }

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

    .preset-buttons {
        grid-template-columns: 1fr;
    }

    .submit-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .zone-number {
        font-size: 1.5rem;
    }

    .list-item {
        flex-wrap: wrap;
    }

    .list-item label {
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    .header-logo {
        font-size: 2.2rem;
    }

    .header-brand {
        gap: 10px;
    }

    .section {
        padding: 16px 16px;
    }
}