/* ============================================
   QR Code Generator — qr-generator.css
   ============================================ */

.qr-app { max-width: 100%; }

.qr-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.qr-card-title {
    font-size: 1.3rem; font-weight: 700; color: var(--text-primary);
    margin-bottom: 1.5rem; padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
    display: flex; align-items: center;
}

/* ---- Type Selector ---- */
.qr-type-grid {
    display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px;
}

.qr-type-btn {
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    padding: 14px 8px; background: var(--bg-secondary);
    border: 2px solid var(--border-color); border-radius: var(--radius-md);
    cursor: pointer; transition: all .15s; color: var(--text-secondary);
}
.qr-type-btn:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.qr-type-active {
    background: rgba(6,182,212,.06) !important;
    border-color: var(--brand-primary) !important;
    color: var(--brand-primary) !important;
}

.qr-type-icon { font-size: 1.3rem; }
.qr-type-name { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; }

/* ---- Main Grid ---- */
.qr-main-grid {
    display: grid; grid-template-columns: 1fr 380px; gap: 1.5rem;
    align-items: start;
}

/* ---- Fields ---- */
.qr-field { margin-bottom: 1.25rem; }
.qr-field:last-child { margin-bottom: 0; }
.qr-field > label {
    display: block; font-size: .85rem; font-weight: 600;
    color: var(--text-secondary); margin-bottom: .4rem;
}

.qr-field-hint {
    display: block; font-size: .75rem; color: var(--text-muted);
    margin-top: 4px;
}

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

.qr-input, .qr-textarea {
    width: 100%; padding: 12px 16px; font-size: .95rem; font-weight: 500;
    color: var(--text-primary); background: var(--bg-input);
    border: 2px solid var(--border-color); border-radius: var(--radius-md);
    outline: none; transition: border-color .2s; box-sizing: border-box;
    font-family: inherit;
}
.qr-input:focus, .qr-textarea:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(6,182,212,.1);
}
.qr-textarea { resize: vertical; min-height: 80px; }

/* Password toggle */
.qr-password-wrap { position: relative; }
.qr-password-wrap .qr-input { padding-right: 44px; }
.qr-toggle-pass {
    position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
    background: none; border: none; color: var(--text-muted);
    cursor: pointer; font-size: 1rem; padding: 6px;
}
.qr-toggle-pass:hover { color: var(--brand-primary); }

/* Radio & Checkbox */
.qr-radio-group { display: flex; gap: 16px; flex-wrap: wrap; }
.qr-radio, .qr-checkbox-label {
    display: flex; align-items: center; gap: 6px;
    font-size: .9rem; font-weight: 500; color: var(--text-secondary);
    cursor: pointer;
}
.qr-radio input, .qr-checkbox-label input {
    accent-color: var(--brand-primary); width: 16px; height: 16px; cursor: pointer;
}

/* Locate button */
.qr-locate-btn {
    display: inline-flex; align-items: center; padding: 8px 16px;
    font-size: .85rem; font-weight: 600; color: var(--brand-primary);
    background: rgba(6,182,212,.06); border: 1px solid rgba(6,182,212,.2);
    border-radius: var(--radius-md); cursor: pointer; transition: all .15s;
    margin-bottom: 8px;
}
.qr-locate-btn:hover { background: rgba(6,182,212,.12); }

/* ---- Colours ---- */
.qr-color-wrap {
    display: flex; align-items: center; gap: 10px;
}
.qr-color-input {
    width: 44px; height: 44px; border: 2px solid var(--border-color);
    border-radius: var(--radius-md); cursor: pointer; padding: 2px;
    background: var(--bg-secondary);
}
.qr-color-input::-webkit-color-swatch-wrapper { padding: 2px; }
.qr-color-input::-webkit-color-swatch { border: none; border-radius: 4px; }
.qr-color-hex {
    font-family: 'JetBrains Mono', monospace; font-size: .85rem;
    font-weight: 600; color: var(--text-secondary);
}

.qr-color-presets {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
    margin-bottom: 1.25rem; margin-top: .5rem;
}
.qr-color-preset-label {
    font-size: .75rem; font-weight: 600; color: var(--text-muted);
    margin-right: 4px;
}
.qr-color-preset {
    width: 28px; height: 28px; border-radius: 50%;
    border: 2px solid var(--border-color); cursor: pointer;
    padding: 0; display: flex; align-items: center; justify-content: center;
    background: transparent; transition: all .15s;
}
.qr-color-preset:hover { border-color: var(--brand-primary); transform: scale(1.15); }
.qr-color-preset span {
    width: 18px; height: 18px; border-radius: 50%; display: block;
}

/* ---- Size & EC Buttons ---- */
.qr-size-btns, .qr-ec-btns { display: flex; gap: 6px; flex-wrap: wrap; }

.qr-size-btn, .qr-ec-btn {
    padding: 8px 18px; font-size: .8rem; font-weight: 700;
    color: var(--text-secondary); background: var(--bg-secondary);
    border: 2px solid var(--border-color); border-radius: var(--radius-md);
    cursor: pointer; transition: all .15s;
}
.qr-size-btn:hover, .qr-ec-btn:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.qr-size-active, .qr-ec-active {
    background: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    color: #fff !important;
}

/* ---- Generate Button ---- */
.qr-generate-btn {
    width: 100%; padding: 16px; font-size: 1.15rem; font-weight: 700;
    color: #fff; border: none; border-radius: var(--radius-lg); cursor: pointer;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    box-shadow: 0 4px 15px rgba(6,182,212,.25);
    transition: all .2s; display: flex; align-items: center; justify-content: center;
    margin-top: 1.5rem;
}
.qr-generate-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(6,182,212,.4); }
.qr-generate-btn:active { transform: translateY(0); }

/* ---- Preview ---- */
.qr-preview-card {
    position: sticky; top: 20px;
}

.qr-preview-area {
    display: flex; align-items: center; justify-content: center;
    min-height: 280px; background: var(--bg-secondary);
    border: 2px dashed var(--border-color); border-radius: var(--radius-lg);
    padding: 20px; margin-bottom: 16px;
}

.qr-placeholder {
    display: flex; flex-direction: column; align-items: center;
    gap: 10px; color: var(--text-muted);
}
.qr-placeholder i { font-size: 3rem; opacity: .3; }
.qr-placeholder span { font-size: .9rem; font-weight: 500; }

#qrCanvas {
    max-width: 100%; height: auto; border-radius: var(--radius-md);
    image-rendering: pixelated;
}

/* Preview Info */
.qr-preview-info {
    padding: 12px 16px; background: var(--bg-secondary);
    border: 1px solid var(--border-color); border-radius: var(--radius-md);
    margin-bottom: 14px;
}
.qr-info-row {
    display: flex; justify-content: space-between; padding: 4px 0;
    font-size: .8rem;
}
.qr-info-label { font-weight: 600; color: var(--text-muted); }
.qr-info-value { font-weight: 600; color: var(--text-primary); }
.qr-info-data {
    max-width: 200px; overflow: hidden; text-overflow: ellipsis;
    white-space: nowrap;
}

/* Download Buttons */
.qr-download-btns { display: flex; gap: 8px; flex-wrap: wrap; }

.qr-dl-btn {
    flex: 1; padding: 10px 14px; font-size: .85rem; font-weight: 700;
    border: 2px solid var(--border-color); border-radius: var(--radius-md);
    cursor: pointer; transition: all .15s; display: flex;
    align-items: center; justify-content: center; background: var(--bg-secondary);
    color: var(--text-secondary); min-width: 100px;
}
.qr-dl-btn:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.qr-dl-png:hover { border-color: #3b82f6; color: #3b82f6; }
.qr-dl-svg:hover { border-color: #8b5cf6; color: #8b5cf6; }
.qr-dl-copy:hover { border-color: #10b981; color: #10b981; }

/* Toast */
.qr-copy-toast {
    text-align: center; padding: 10px; margin-top: 10px;
    background: rgba(16,185,129,.12); color: #10b981;
    border-radius: var(--radius-md); font-weight: 600; font-size: .85rem;
    display: none;
}
.qr-copy-toast.show { display: block; animation: qrFade 2s ease forwards; }
@keyframes qrFade { 0%{opacity:0} 10%{opacity:1} 80%{opacity:1} 100%{opacity:0} }

/* Scan hint */
.qr-scan-hint {
    font-size: .9rem; color: var(--text-secondary); text-align: center;
    padding: 8px; margin: 0;
}

/* ---- History ---- */
.qr-clear-btn {
    margin-left: auto; font-size: .8rem; font-weight: 600;
    padding: 4px 12px; border-radius: var(--radius-sm); cursor: pointer;
    border: 1px solid var(--border-color); background: transparent;
    color: var(--text-muted); transition: all .15s;
}
.qr-clear-btn:hover { border-color: #ef4444; color: #ef4444; }

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

.qr-history-row {
    display: flex; align-items: center; gap: 14px; padding: 12px 16px;
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); cursor: pointer; transition: border-color .15s;
}
.qr-history-row:hover { border-color: var(--brand-primary); }

.qr-history-type {
    font-size: .65rem; font-weight: 700; color: var(--brand-primary);
    background: rgba(6,182,212,.08); padding: 3px 10px;
    border-radius: 10px; text-transform: uppercase; white-space: nowrap;
}
.qr-history-data {
    flex: 1; font-size: .85rem; font-weight: 500; color: var(--text-primary);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.qr-history-time {
    font-size: .7rem; color: var(--text-muted); white-space: nowrap;
}

/* ---- Uses Grid ---- */
.qr-uses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.qr-use-item {
    display: flex; align-items: center; gap: 12px; padding: 14px;
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}
.qr-use-icon {
    width: 42px; height: 42px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; flex-shrink: 0;
    background: color-mix(in srgb, var(--use-color) 12%, transparent);
    color: var(--use-color);
}
.qr-use-info { display: flex; flex-direction: column; }
.qr-use-info strong { font-size: .85rem; color: var(--text-primary); }
.qr-use-info span { font-size: .75rem; color: var(--text-muted); margin-top: 2px; }

/* ---- Share ---- */
.qr-share-section { text-align: center; }
.qr-share-note { font-size: .85rem; color: var(--text-muted); margin-bottom: 12px; }
.qr-share-row { display: flex; justify-content: center; gap: 10px; }
.qr-share-btn {
    width: 44px; height: 44px; border-radius: 50%; border: none;
    color: #fff; font-size: 1.1rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all .2s;
}
.qr-share-btn:hover { transform: translateY(-3px); box-shadow: 0 4px 12px rgba(0,0,0,.2); }

/* ---- Info & FAQ ---- */
.qr-info-block {
    padding: 1.25rem; background: var(--bg-secondary); border-radius: var(--radius-md);
    margin-bottom: 1rem; border-left: 4px solid var(--brand-primary);
}
.qr-info-block:last-child { margin-bottom: 0; }
.qr-info-block h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: .5rem; }
.qr-info-block p { font-size: .95rem; color: var(--text-secondary); margin-bottom: 0; line-height: 1.6; }

.qr-faq-item { padding: 1.25rem; background: var(--bg-secondary); border-radius: var(--radius-md); margin-bottom: 1rem; }
.qr-faq-item:last-child { margin-bottom: 0; }
.qr-faq-item h3 { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: .5rem; }
.qr-faq-item p { font-size: .95rem; color: var(--text-secondary); margin-bottom: 0; line-height: 1.6; }

/* ---- Responsive ---- */
@media (max-width: 991.98px) {
    .qr-main-grid { grid-template-columns: 1fr; }
    .qr-preview-card { position: static; }
}

@media (max-width: 767.98px) {
    .qr-card { padding: 1.25rem; }
    .qr-type-grid { grid-template-columns: repeat(4, 1fr); }
    .qr-field-row { grid-template-columns: 1fr; }
    .qr-uses-grid { grid-template-columns: 1fr; }
    .qr-download-btns { flex-direction: column; }
    .qr-dl-btn { width: 100%; }
    .qr-color-presets { margin-top: .75rem; }
}