/* ================================================================
   QR Generator Premium — OnlineQRCodeGen.com
   Enterprise SaaS Design System
   Theme: Modern · Minimal · Glassmorphism · Material + Apple
================================================================ */

/* ── Design Tokens ── */
:root {
    --qrp-primary:        #2563EB;
    --qrp-primary-dark:   #1D4ED8;
    --qrp-primary-light:  #3B82F6;
    --qrp-primary-soft:   #EFF6FF;
    --qrp-primary-glow:   rgba(37,99,235,.25);
    --qrp-secondary:      #14B8A6;
    --qrp-secondary-soft: #F0FDFA;
    --qrp-accent:         #F59E0B;
    --qrp-accent-soft:    #FFFBEB;
    --qrp-success:        #22C55E;
    --qrp-success-soft:   #F0FDF4;
    --qrp-danger:         #EF4444;
    --qrp-danger-soft:    #FEF2F2;
    --qrp-purple:         #8B5CF6;

    /* Surfaces */
    --qrp-bg:       #F8FAFC;
    --qrp-surface:  #FFFFFF;
    --qrp-surface2: #F1F5F9;
    --qrp-surface3: #E2E8F0;

    /* Text */
    --qrp-text:   #0F172A;
    --qrp-text2:  #1E293B;
    --qrp-muted:  #64748B;
    --qrp-muted2: #94A3B8;

    /* Borders */
    --qrp-border:       #E2E8F0;
    --qrp-border-hover: #CBD5E1;
    --qrp-border-focus: var(--qrp-primary);

    /* Geometry */
    --qrp-radius:    16px;
    --qrp-radius-sm: 10px;
    --qrp-radius-lg: 20px;
    --qrp-radius-xl: 28px;
    --qrp-header-h:  62px;

    /* Shadows */
    --qrp-shadow-xs: 0 1px 2px rgba(0,0,0,.05);
    --qrp-shadow-sm: 0 2px 8px rgba(0,0,0,.06);
    --qrp-shadow:    0 4px 24px rgba(0,0,0,.08);
    --qrp-shadow-md: 0 8px 40px rgba(0,0,0,.10);
    --qrp-shadow-lg: 0 20px 64px rgba(37,99,235,.14);
    --qrp-shadow-p:  0 6px 20px rgba(37,99,235,.30);

    /* Motion */
    --qrp-t:      .18s cubic-bezier(.4,0,.2,1);
    --qrp-t-slow: .36s cubic-bezier(.4,0,.2,1);
    --qrp-t-bounce: .4s cubic-bezier(.34,1.56,.64,1);

    /* Layout */
    --qrp-left-w: 63%;
    --qrp-right-w: 37%;
}

/* ── Dark Mode ── */
[data-theme="dark"] {
    --qrp-bg:       #0B1120;
    --qrp-surface:  #1A2540;
    --qrp-surface2: #0F172A;
    --qrp-surface3: #1E293B;
    --qrp-text:     #F1F5F9;
    --qrp-text2:    #CBD5E1;
    --qrp-muted:    #94A3B8;
    --qrp-muted2:   #64748B;
    --qrp-border:       #1E3A5F;
    --qrp-border-hover: #2D4A6E;
    --qrp-shadow-sm: 0 2px 8px rgba(0,0,0,.4);
    --qrp-shadow:    0 4px 24px rgba(0,0,0,.5);
    --qrp-shadow-md: 0 8px 40px rgba(0,0,0,.6);
    --qrp-shadow-lg: 0 20px 64px rgba(0,0,0,.5);
    --qrp-primary-soft:   rgba(37,99,235,.15);
    --qrp-secondary-soft: rgba(20,184,166,.12);
}

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

.qrp-app {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    background: var(--qrp-bg);
    color: var(--qrp-text);
    min-height: 100vh;
    transition: background var(--qrp-t), color var(--qrp-t);
    -webkit-font-smoothing: antialiased;
}

/* ═══════════════════════════════════
   HEADER
═══════════════════════════════════ */
.qrp-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--qrp-header-h);
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--qrp-border);
    transition: background var(--qrp-t), border-color var(--qrp-t);
}
[data-theme="dark"] .qrp-header {
    background: rgba(26,37,64,.88);
}
.qrp-header-inner {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
}
.qrp-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--qrp-text);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}
.qrp-logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--qrp-primary), var(--qrp-secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: .9rem;
    font-weight: 700;
    flex-shrink: 0;
}
.qrp-logo span { color: var(--qrp-primary); }

.qrp-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0 auto 0 24px;
}
.qrp-nav a {
    padding: 6px 12px;
    border-radius: 8px;
    font-size: .82rem;
    font-weight: 500;
    color: var(--qrp-muted);
    text-decoration: none;
    transition: color var(--qrp-t), background var(--qrp-t);
    white-space: nowrap;
}
.qrp-nav a:hover {
    color: var(--qrp-text);
    background: var(--qrp-surface2);
}
.qrp-nav a.active {
    color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
    font-weight: 600;
}

.qrp-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    margin-left: auto;
}
.qrp-icon-btn {
    width: 36px; height: 36px;
    border-radius: 10px;
    border: 1px solid var(--qrp-border);
    background: var(--qrp-surface);
    color: var(--qrp-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--qrp-t);
    flex-shrink: 0;
}
.qrp-icon-btn:hover {
    border-color: var(--qrp-border-hover);
    color: var(--qrp-text);
    background: var(--qrp-surface2);
}
.qrp-btn-outline {
    padding: 7px 16px;
    border-radius: 10px;
    border: 1.5px solid var(--qrp-border);
    background: transparent;
    color: var(--qrp-text);
    font-size: .82rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    transition: all var(--qrp-t);
}
.qrp-btn-outline:hover {
    border-color: var(--qrp-primary);
    color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
}
.qrp-btn-primary-sm {
    padding: 7px 16px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, var(--qrp-primary), #4F46E5);
    color: #fff;
    font-size: .82rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    box-shadow: var(--qrp-shadow-p);
    transition: all var(--qrp-t);
}
.qrp-btn-primary-sm:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 28px rgba(37,99,235,.38);
}

/* ═══════════════════════════════════
   HERO BANNER
═══════════════════════════════════ */
.qrp-hero {
    background: linear-gradient(135deg, var(--qrp-primary) 0%, #4F46E5 50%, var(--qrp-secondary) 100%);
    padding: 32px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.qrp-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.qrp-hero h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 6px;
    position: relative;
}
.qrp-hero p {
    color: rgba(255,255,255,.82);
    font-size: .9rem;
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

/* ═══════════════════════════════════
   MAIN SPLIT LAYOUT
═══════════════════════════════════ */
.qrp-main {
    display: flex;
    align-items: flex-start;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0;
    min-height: calc(100vh - var(--qrp-header-h));
}

/* ── Left Panel ── */
.qrp-left {
    width: var(--qrp-left-w);
    padding: 20px;
    min-height: calc(100vh - var(--qrp-header-h));
    border-right: 1px solid var(--qrp-border);
    overflow-y: auto;
}

/* ── Right Panel ── */
.qrp-right {
    width: var(--qrp-right-w);
    padding: 20px;
    position: sticky;
    top: var(--qrp-header-h);
    height: calc(100vh - var(--qrp-header-h));
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.qrp-right::-webkit-scrollbar { width: 4px; }
.qrp-right::-webkit-scrollbar-track { background: transparent; }
.qrp-right::-webkit-scrollbar-thumb { background: var(--qrp-border); border-radius: 4px; }

/* ═══════════════════════════════════
   CARDS
═══════════════════════════════════ */
.qrp-card {
    background: var(--qrp-surface);
    border: 1px solid var(--qrp-border);
    border-radius: var(--qrp-radius);
    box-shadow: var(--qrp-shadow-sm);
    transition: border-color var(--qrp-t), box-shadow var(--qrp-t);
}
.qrp-card-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--qrp-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.qrp-card-title {
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .6px;
    text-transform: uppercase;
    color: var(--qrp-muted);
}
.qrp-card-body { padding: 18px; }

/* ═══════════════════════════════════
   CATEGORY TABS
═══════════════════════════════════ */
.qrp-cat-bar {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 2px;
    margin-bottom: 16px;
    scrollbar-width: none;
}
.qrp-cat-bar::-webkit-scrollbar { display: none; }
.qrp-cat-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    border-radius: 999px;
    border: 1.5px solid var(--qrp-border);
    background: var(--qrp-surface);
    color: var(--qrp-muted);
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--qrp-t);
    flex-shrink: 0;
}
.qrp-cat-btn:hover {
    border-color: var(--qrp-primary);
    color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
}
.qrp-cat-btn.active {
    background: var(--qrp-primary);
    border-color: var(--qrp-primary);
    color: #fff;
    box-shadow: var(--qrp-shadow-p);
}

/* ═══════════════════════════════════
   QR TYPE GRID
═══════════════════════════════════ */
.qrp-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    gap: 8px;
    margin-bottom: 20px;
}
.qrp-type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px 6px;
    border-radius: 12px;
    border: 1.5px solid var(--qrp-border);
    background: var(--qrp-surface);
    color: var(--qrp-text2);
    cursor: pointer;
    transition: all var(--qrp-t);
    text-align: center;
}
.qrp-type-btn:hover {
    border-color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
    color: var(--qrp-primary);
    transform: translateY(-2px);
    box-shadow: var(--qrp-shadow-sm);
}
.qrp-type-btn.active {
    border-color: var(--qrp-primary);
    background: linear-gradient(135deg, var(--qrp-primary-soft), rgba(79,70,229,.08));
    color: var(--qrp-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
    font-weight: 600;
}
.qrp-type-icon {
    font-size: 1.4rem;
    line-height: 1;
    transition: transform var(--qrp-t-bounce);
}
.qrp-type-btn.active .qrp-type-icon,
.qrp-type-btn:hover .qrp-type-icon { transform: scale(1.15); }
.qrp-type-label {
    font-size: .68rem;
    font-weight: 600;
    line-height: 1.2;
    color: inherit;
}

/* ═══════════════════════════════════
   FORM PANEL
═══════════════════════════════════ */
.qrp-form-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    padding: 14px 16px;
    background: linear-gradient(135deg, var(--qrp-primary-soft), var(--qrp-secondary-soft));
    border-radius: 12px;
    border: 1px solid var(--qrp-border);
}
.qrp-form-header-icon { font-size: 1.4rem; }
.qrp-form-header-text h3 {
    font-size: .95rem;
    font-weight: 700;
    color: var(--qrp-text);
    margin-bottom: 1px;
}
.qrp-form-header-text p {
    font-size: .75rem;
    color: var(--qrp-muted);
}

/* Form controls */
.qrp-field { margin-bottom: 14px; }
.qrp-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: .78rem;
    font-weight: 600;
    color: var(--qrp-text2);
    margin-bottom: 6px;
}
.qrp-label .badge {
    font-size: .66rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 4px;
    background: var(--qrp-surface2);
    color: var(--qrp-muted);
}
.qrp-label .badge.req {
    background: var(--qrp-danger-soft);
    color: var(--qrp-danger);
}
.qrp-input, .qrp-select, .qrp-textarea {
    width: 100%;
    border: 1.5px solid var(--qrp-border);
    border-radius: var(--qrp-radius-sm);
    padding: 10px 13px;
    font-size: .88rem;
    font-family: inherit;
    color: var(--qrp-text);
    background: var(--qrp-surface);
    transition: border-color var(--qrp-t), box-shadow var(--qrp-t), background var(--qrp-t);
    outline: none;
}
.qrp-textarea { resize: vertical; min-height: 88px; }
.qrp-input:focus, .qrp-select:focus, .qrp-textarea:focus {
    border-color: var(--qrp-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.qrp-input::placeholder, .qrp-textarea::placeholder { color: var(--qrp-muted2); }

.qrp-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.qrp-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

.qrp-help {
    font-size: .72rem;
    color: var(--qrp-muted);
    margin-top: 4px;
    line-height: 1.4;
}

.qrp-divider {
    border: none;
    border-top: 1px solid var(--qrp-border);
    margin: 16px 0;
}

/* Switch toggle */
.qrp-switch-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
}
.qrp-switch-label { font-size: .84rem; font-weight: 500; color: var(--qrp-text); }
.qrp-switch {
    position: relative;
    width: 40px; height: 22px;
    flex-shrink: 0;
}
.qrp-switch input { opacity: 0; width: 0; height: 0; }
.qrp-switch-slider {
    position: absolute;
    inset: 0;
    background: var(--qrp-border);
    border-radius: 999px;
    cursor: pointer;
    transition: background var(--qrp-t);
}
.qrp-switch-slider::before {
    content: '';
    position: absolute;
    width: 16px; height: 16px;
    left: 3px; top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform var(--qrp-t);
    box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.qrp-switch input:checked + .qrp-switch-slider { background: var(--qrp-primary); }
.qrp-switch input:checked + .qrp-switch-slider::before { transform: translateX(18px); }

/* ═══════════════════════════════════
   LIVE PREVIEW CARD
═══════════════════════════════════ */
.qrp-preview-card {
    background: var(--qrp-surface);
    border: 1px solid var(--qrp-border);
    border-radius: var(--qrp-radius-lg);
    box-shadow: var(--qrp-shadow-md);
    overflow: hidden;
}
.qrp-preview-header {
    background: linear-gradient(135deg, var(--qrp-primary) 0%, #4F46E5 60%, var(--qrp-secondary) 100%);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.qrp-preview-title {
    color: rgba(255,255,255,.9);
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
}
.qrp-preview-actions-bar {
    display: flex;
    gap: 6px;
}
.qrp-preview-actions-bar button {
    width: 28px; height: 28px;
    border-radius: 7px;
    background: rgba(255,255,255,.18);
    border: 1px solid rgba(255,255,255,.25);
    color: #fff;
    font-size: .85rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--qrp-t);
}
.qrp-preview-actions-bar button:hover { background: rgba(255,255,255,.3); }

.qrp-preview-body {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.qrp-qr-wrap {
    width: 220px; height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--qrp-surface2);
    border-radius: 14px;
    border: 2px dashed var(--qrp-border);
    transition: all var(--qrp-t-slow);
    position: relative;
    overflow: hidden;
}
.qrp-qr-wrap.has-qr {
    border-style: solid;
    background: transparent;
    box-shadow: 0 8px 32px rgba(0,0,0,.10);
}
.qrp-qr-wrap canvas, .qrp-qr-wrap svg {
    border-radius: 10px;
    max-width: 100%;
}
.qrp-qr-loading {
    position: absolute; inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--qrp-surface);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--qrp-t);
}
.qrp-qr-loading.show { opacity: 1; }
.qrp-spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--qrp-border);
    border-top-color: var(--qrp-primary);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.qrp-qr-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    text-align: center;
}
.qrp-qr-hint-icon { font-size: 2.5rem; opacity: .4; }
.qrp-qr-hint p { font-size: .78rem; color: var(--qrp-muted); max-width: 140px; line-height: 1.4; }

.qrp-preview-meta {
    margin-top: 14px;
    text-align: center;
}
.qrp-preview-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: .72rem;
    font-weight: 700;
    color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: .3px;
}

/* ═══════════════════════════════════
   CUSTOMIZATION TABS
═══════════════════════════════════ */
.qrp-custom-card {
    background: var(--qrp-surface);
    border: 1px solid var(--qrp-border);
    border-radius: var(--qrp-radius);
    box-shadow: var(--qrp-shadow-sm);
    overflow: hidden;
}
.qrp-tab-bar {
    display: flex;
    border-bottom: 1px solid var(--qrp-border);
    background: var(--qrp-surface2);
}
.qrp-tab {
    flex: 1;
    padding: 10px 6px;
    border: none;
    background: transparent;
    color: var(--qrp-muted);
    font-size: .72rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    letter-spacing: .3px;
    transition: all var(--qrp-t);
    border-bottom: 2px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.qrp-tab:hover { color: var(--qrp-text); }
.qrp-tab.active {
    color: var(--qrp-primary);
    border-bottom-color: var(--qrp-primary);
    background: var(--qrp-surface);
    font-weight: 700;
}

.qrp-tab-panel { padding: 16px; display: none; }
.qrp-tab-panel.active { display: block; }

/* Color pickers */
.qrp-color-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 14px;
}
.qrp-color-field label {
    font-size: .72rem;
    font-weight: 600;
    color: var(--qrp-muted);
    text-transform: uppercase;
    letter-spacing: .4px;
    display: block;
    margin-bottom: 5px;
}
.qrp-color-picker-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1.5px solid var(--qrp-border);
    border-radius: 9px;
    padding: 5px 10px;
    cursor: pointer;
    transition: border-color var(--qrp-t);
    background: var(--qrp-surface);
}
.qrp-color-picker-wrap:hover { border-color: var(--qrp-primary); }
.qrp-color-swatch {
    width: 24px; height: 24px;
    border-radius: 6px;
    border: 1px solid rgba(0,0,0,.1);
    flex-shrink: 0;
    cursor: pointer;
}
.qrp-color-hex {
    font-size: .76rem;
    font-weight: 600;
    color: var(--qrp-text);
    font-family: 'SF Mono', 'Fira Code', monospace;
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    width: 70px;
}
input[type="color"].qrp-color-input-hidden {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* Gradient toggle */
.qrp-gradient-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 14px;
    display: none;
}
.qrp-gradient-row.show { display: grid; }

/* Module shape selector */
.qrp-shape-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 14px;
}
.qrp-shape-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px 4px;
    border-radius: 10px;
    border: 1.5px solid var(--qrp-border);
    background: var(--qrp-surface);
    cursor: pointer;
    transition: all var(--qrp-t);
}
.qrp-shape-btn:hover {
    border-color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
}
.qrp-shape-btn.active {
    border-color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
    box-shadow: 0 0 0 2px rgba(37,99,235,.2);
}
.qrp-shape-preview {
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
}
.qrp-shape-preview svg { width: 28px; height: 28px; }
.qrp-shape-label { font-size: .65rem; font-weight: 600; color: var(--qrp-muted); }
.qrp-shape-btn.active .qrp-shape-label { color: var(--qrp-primary); }

/* Eye shape selector */
.qrp-eye-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}
.qrp-eye-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 4px;
    border-radius: 10px;
    border: 1.5px solid var(--qrp-border);
    background: var(--qrp-surface);
    cursor: pointer;
    transition: all var(--qrp-t);
    font-size: .65rem;
    font-weight: 600;
    color: var(--qrp-muted);
}
.qrp-eye-btn:hover, .qrp-eye-btn.active {
    border-color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
    color: var(--qrp-primary);
}
.qrp-eye-preview { font-size: 1.2rem; }

/* ── Logo Tab ── */
.qrp-logo-drop {
    border: 2px dashed var(--qrp-border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--qrp-t);
    background: var(--qrp-surface2);
    margin-bottom: 14px;
    position: relative;
}
.qrp-logo-drop:hover, .qrp-logo-drop.drag-over {
    border-color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
}
.qrp-logo-drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.qrp-logo-drop-icon { font-size: 1.8rem; margin-bottom: 6px; }
.qrp-logo-drop p { font-size: .78rem; color: var(--qrp-muted); }
.qrp-logo-drop strong { color: var(--qrp-primary); }

.qrp-logo-preview-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--qrp-border);
    border-radius: 10px;
    background: var(--qrp-surface2);
    margin-bottom: 12px;
    display: none;
}
.qrp-logo-preview-wrap.show { display: flex; }
.qrp-logo-thumb {
    width: 40px; height: 40px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid var(--qrp-border);
}
.qrp-logo-info { flex: 1; }
.qrp-logo-name { font-size: .78rem; font-weight: 600; color: var(--qrp-text); }
.qrp-logo-remove {
    padding: 4px 10px;
    border-radius: 7px;
    border: 1px solid var(--qrp-danger);
    background: transparent;
    color: var(--qrp-danger);
    font-size: .72rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--qrp-t);
}
.qrp-logo-remove:hover { background: var(--qrp-danger); color: #fff; }

/* ── Frame Tab ── */
.qrp-frame-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 14px;
}
.qrp-frame-btn {
    padding: 10px 8px;
    border-radius: 10px;
    border: 1.5px solid var(--qrp-border);
    background: var(--qrp-surface);
    color: var(--qrp-muted);
    font-size: .72rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all var(--qrp-t);
}
.qrp-frame-btn:hover {
    border-color: var(--qrp-primary);
    color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
}
.qrp-frame-btn.active {
    border-color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
    color: var(--qrp-primary);
    font-weight: 700;
}
.qrp-frame-icon { font-size: 1.2rem; display: block; margin-bottom: 4px; }

/* ── Advanced Tab ── */
.qrp-range-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.qrp-range-label-wrap { flex: 1; }
.qrp-range-label-text { font-size: .78rem; font-weight: 600; color: var(--qrp-text2); }
.qrp-range-value {
    font-size: .72rem;
    font-weight: 700;
    color: var(--qrp-primary);
    min-width: 28px;
    text-align: right;
}
input[type="range"].qrp-range {
    width: 100%;
    accent-color: var(--qrp-primary);
    cursor: pointer;
    height: 4px;
    border-radius: 2px;
    margin-top: 6px;
}

/* ═══════════════════════════════════
   DOWNLOAD CARD
═══════════════════════════════════ */
.qrp-dl-card {
    background: var(--qrp-surface);
    border: 1px solid var(--qrp-border);
    border-radius: var(--qrp-radius);
    box-shadow: var(--qrp-shadow-sm);
    padding: 16px;
}
.qrp-dl-title {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--qrp-muted);
    margin-bottom: 10px;
}
.qrp-dl-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    margin-bottom: 10px;
}
.qrp-dl-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 9px 10px;
    border-radius: 10px;
    border: 1.5px solid var(--qrp-border);
    background: var(--qrp-surface);
    color: var(--qrp-text);
    font-size: .76rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--qrp-t);
}
.qrp-dl-btn:hover {
    border-color: var(--qrp-primary);
    color: var(--qrp-primary);
    background: var(--qrp-primary-soft);
    transform: translateY(-1px);
}
.qrp-dl-btn.primary {
    background: linear-gradient(135deg, var(--qrp-primary), #4F46E5);
    border-color: transparent;
    color: #fff;
    box-shadow: var(--qrp-shadow-p);
    grid-column: span 2;
}
.qrp-dl-btn.primary:hover {
    background: linear-gradient(135deg, var(--qrp-primary-dark), #4338CA);
    color: #fff;
    box-shadow: 0 8px 28px rgba(37,99,235,.40);
}
.qrp-dl-ext { font-size: .65rem; opacity: .7; }

.qrp-dl-dpi {
    display: flex;
    gap: 6px;
    align-items: center;
}
.qrp-dl-dpi label {
    font-size: .72rem;
    font-weight: 600;
    color: var(--qrp-muted);
}
.qrp-dl-dpi select {
    flex: 1;
    border: 1.5px solid var(--qrp-border);
    border-radius: 8px;
    padding: 5px 8px;
    font-size: .76rem;
    font-family: inherit;
    color: var(--qrp-text);
    background: var(--qrp-surface);
    outline: none;
    transition: border-color var(--qrp-t);
}
.qrp-dl-dpi select:focus { border-color: var(--qrp-primary); }

/* ═══════════════════════════════════
   GENERATE BUTTON
═══════════════════════════════════ */
.qrp-generate-btn {
    width: 100%;
    padding: 13px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--qrp-primary) 0%, #4F46E5 60%, var(--qrp-secondary) 100%);
    color: #fff;
    font-size: .95rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--qrp-shadow-p);
    transition: all var(--qrp-t);
    margin-top: 4px;
    position: relative;
    overflow: hidden;
}
.qrp-generate-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
    transform: translateX(-100%);
    transition: transform .6s ease;
}
.qrp-generate-btn:hover::after { transform: translateX(100%); }
.qrp-generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37,99,235,.40);
}
.qrp-generate-btn:active { transform: translateY(0); }

/* ═══════════════════════════════════
   PREMIUM BADGE
═══════════════════════════════════ */
.qrp-premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: .65rem;
    font-weight: 700;
    color: var(--qrp-accent);
    background: var(--qrp-accent-soft);
    border: 1px solid rgba(245,158,11,.3);
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: .4px;
    text-transform: uppercase;
}

/* ═══════════════════════════════════
   MOBILE TOGGLE
═══════════════════════════════════ */
.qrp-mobile-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 50;
    width: 52px; height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--qrp-primary), #4F46E5);
    border: none;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 6px 24px rgba(37,99,235,.45);
    align-items: center;
    justify-content: center;
    transition: transform var(--qrp-t);
}
.qrp-mobile-toggle:active { transform: scale(.94); }

/* ═══════════════════════════════════
   SEO CONTENT SECTION
═══════════════════════════════════ */
.qrp-seo {
    max-width: 860px;
    margin: 40px auto;
    padding: 0 20px 60px;
}
.qrp-seo h2 { font-size: 1.3rem; font-weight: 700; color: var(--qrp-text); margin: 28px 0 10px; }
.qrp-seo p, .qrp-seo li { font-size: .9rem; color: var(--qrp-muted); line-height: 1.7; }
.qrp-seo ul, .qrp-seo ol { padding-left: 20px; }
.qrp-seo li { margin-bottom: 5px; }

/* ═══════════════════════════════════
   ANIMATIONS
═══════════════════════════════════ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes qrPulse {
    0%,100% { opacity: 1; }
    50%      { opacity: .6; }
}
.qrp-animate-in { animation: fadeInUp .3s ease forwards; }
.qrp-qr-generating { animation: qrPulse 1s ease infinite; }

/* Skeleton loading */
.qrp-skeleton {
    background: linear-gradient(90deg, var(--qrp-surface2) 25%, var(--qrp-border) 50%, var(--qrp-surface2) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
    border-radius: 6px;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ═══════════════════════════════════
   RESPONSIVE
═══════════════════════════════════ */
@@media (max-width: 1100px) {
    :root { --qrp-left-w: 58%; --qrp-right-w: 42%; }
    .qrp-nav a { display: none; }
    .qrp-nav a:nth-child(-n+3) { display: flex; }
}

@@media (max-width: 768px) {
    .qrp-main { flex-direction: column; }
    .qrp-left  { width: 100%; border-right: none; border-bottom: 1px solid var(--qrp-border); min-height: unset; }
    .qrp-right { width: 100%; position: static; height: auto; }
    .qrp-nav   { display: none; }
    .qrp-hero h1 { font-size: 1.3rem; }
    .qrp-mobile-toggle { display: flex; }
    .qrp-type-grid { grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); }
    .qrp-qr-wrap { width: 200px; height: 200px; }
    .qrp-dl-grid { grid-template-columns: 1fr 1fr 1fr; }
    .qrp-dl-btn.primary { grid-column: span 3; }
}

@@media (max-width: 480px) {
    .qrp-hero { padding: 20px 16px; }
    .qrp-left, .qrp-right { padding: 14px; }
    .qrp-row { grid-template-columns: 1fr; }
    .qrp-row-3 { grid-template-columns: 1fr 1fr; }
    .qrp-color-row { grid-template-columns: 1fr 1fr; }
    .qrp-shape-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ═══════════════════════════════════
   DEDICATED TOOL PAGES SECTION
═══════════════════════════════════ */
.qrp-tools-section {
    background: var(--qrp-surface);
    border-top: 1px solid var(--qrp-border);
    padding: 56px 24px;
}

.qrp-tools-section-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.qrp-tools-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--qrp-text);
    margin: 0 0 8px;
}

.qrp-tools-sub {
    color: var(--qrp-text-muted);
    font-size: 0.95rem;
    margin: 0 0 32px;
}

.qrp-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.qrp-tool-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 20px 18px;
    background: var(--qrp-bg);
    border: 1px solid var(--qrp-border);
    border-radius: 14px;
    text-decoration: none;
    color: var(--qrp-text);
    transition: border-color 0.18s, box-shadow 0.18s, transform 0.15s;
}

.qrp-tool-card:hover {
    border-color: var(--qrp-primary);
    box-shadow: 0 4px 20px rgba(37,99,235,0.12);
    transform: translateY(-2px);
    color: var(--qrp-text);
    text-decoration: none;
}

.qrp-tool-icon {
    font-size: 1.6rem;
    line-height: 1;
    margin-bottom: 4px;
}

.qrp-tool-card strong {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--qrp-text);
}

.qrp-tool-card span {
    font-size: 0.78rem;
    color: var(--qrp-text-muted);
    line-height: 1.4;
}

@media (max-width: 768px) {
    .qrp-tools-section { padding: 36px 16px; }
    .qrp-tools-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
}

@media (max-width: 480px) {
    .qrp-tools-grid { grid-template-columns: repeat(2, 1fr); }
    .qrp-tool-card { padding: 16px 14px; }
}