/* =============================================
   QR Code Generator – Fully Responsive Styles
   ============================================= */

/* Global reset for this widget */
.qr-generator-container,
.qr-generator-container * {
    box-sizing: border-box;
}

.qr-generator-container {
    max-width: 900px;
    width: 100%;
    margin: 30px auto;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    word-break: break-word;
}

.qr-controls-panel {
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.control-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Inputs, selects, file – set text color to dark */
.control-group input[type="text"],
.control-group select,
.control-group input[type="file"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font-size: 14px;
    background: #f9fafb;
    transition: all 0.2s;
    font-family: inherit;
    color: #0f1115;
}

/* Placeholder text stays light */
.control-group input[type="text"]::placeholder {
    color: #9ca3af;
    opacity: 1;
}

.control-group input[type="text"]:focus,
.control-group select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* Visible border for colour inputs (backup, main styling is in Additional CSS) */
.qr-dots-color,
.qr-bg-color {
    border: 2px solid #d1d5db !important;
    border-radius: 2px !important;
    padding: 2px !important;
    background: white;
    width: 42px;
    height: 42px;
    cursor: pointer;
}

.presets-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #6b7280;
    margin-top: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 2px;
    overflow: hidden;
}

.swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: transform 0.15s, border-color 0.15s;
    background-color: var(--swatch-color);
    position: relative;
    flex-shrink: 0;
}

.swatch:hover {
    transform: scale(1.15);
}

.swatch.active {
    border-color: #111827;
    box-shadow: 0 0 0 3px rgba(17,24,39,0.2);
}

.swatch.active::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    text-shadow: 0 0 2px rgba(0,0,0,0.5);
    font-weight: bold;
}

/* Right panel */
.qr-preview-panel {
    background: #f9fafb;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border-left: 1px solid #e5e7eb;
    text-align: center;
    min-width: 0;
    overflow: hidden;
}

.qr-preview-panel h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.qr-preview-panel .qr-canvas {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin-bottom: 20px;
}

.size-control {
    width: 100%;
    max-width: 240px;
    margin: 0 auto 20px auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: left;
}

.size-control label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.size-control select {
    padding: 10px 14px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font-size: 14px;
    background: #f9fafb;
    cursor: pointer;
    width: 100%;
    color: #0f1115;
}

.download-btn {
    background: #2563eb;
    color: white;
    font-weight: 600;
    border: none;
    padding: 12px 28px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s;
    font-size: 15px;
    width: auto;
    margin: 0 auto;
    white-space: nowrap;
}

.download-btn:hover {
    background: #1d4ed8;
}

/* ============ Mobile responsiveness ============ */
@media (max-width: 700px) {
    .qr-generator-container {
        grid-template-columns: 1fr;
        margin: 15px 0;
        border-radius: 0;
        max-width: 100vw;
        overflow-x: hidden;
    }

    .qr-controls-panel,
    .qr-preview-panel {
        padding: 15px;
    }

    .qr-preview-panel {
        border-left: none;
        border-top: 1px solid #e5e7eb;
    }

    /* Ensure all inputs fit */
    .control-group input[type="text"],
    .control-group select,
    .control-group input[type="file"] {
        font-size: 16px;            /* prevent iOS zoom */
        max-width: 100%;
    }

    .qr-dots-color,
    .qr-bg-color {
        width: 38px;
        height: 38px;
    }

    .download-btn {
        width: 100%;
        max-width: 280px;
    }

    .color-swatches {
        justify-content: flex-start;
    }
}