/* =========================================
   QR Code Generator — Plugin Styles
   ========================================= */

.qrg-container {
    --qrg-brand: #1B1A99;
    --qrg-brand-dark: #141373;
    --qrg-brand-soft: #eeedff;
    --qrg-border: #d9dbef;
    --qrg-text: #1e1e2e;
    --qrg-muted: #5e6278;
    --qrg-surface: #ffffff;
}

.qrg-container {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, sans-serif;
    max-width: 680px;
    width: 100%;
    color: var(--qrg-text);
}

.qrg-container--frontend {
    margin: 0 auto;
}

.qrg-hero {
    margin-bottom: 18px;
    padding: 24px 24px 20px;
    border: 1px solid rgba(27, 26, 153, 0.12);
    border-radius: 18px;
    background:
        radial-gradient(circle at top right, rgba(27, 26, 153, 0.14), transparent 34%),
        linear-gradient(135deg, #ffffff 0%, #f4f5ff 100%);
    box-shadow: 0 18px 40px rgba(27, 26, 153, 0.08);
}

.qrg-eyebrow {
    margin: 0 0 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--qrg-brand);
}

.qrg-title {
    margin: 0 0 10px;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    line-height: 1.1;
    color: var(--qrg-brand);
}

.qrg-subtitle {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    color: var(--qrg-muted);
}

/* ---- Form ---- */
.qrg-form {
    background: var(--qrg-surface);
    border: 1px solid var(--qrg-border);
    border-radius: 18px;
    padding: 28px 32px;
    box-shadow: 0 16px 36px rgba(17, 24, 39, 0.08);
}

.qrg-field {
    margin-bottom: 20px;
}

.qrg-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--qrg-brand);
    margin-bottom: 7px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* URL input */
.qrg-url-input {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--qrg-border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--qrg-text);
    background: #f9f9fc;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.qrg-url-input:focus {
    border-color: var(--qrg-brand);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(27, 26, 153, 0.14);
}

/* Row layout */
.qrg-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.qrg-row .qrg-field {
    flex: 1;
    min-width: 150px;
    margin-bottom: 0;
}

/* Size select */
.qrg-size-select {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid var(--qrg-border);
    border-radius: 8px;
    font-size: 13px;
    background: #f9f9fc;
    color: var(--qrg-text);
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
}

.qrg-size-select:focus {
    border-color: var(--qrg-brand);
    box-shadow: 0 0 0 3px rgba(27, 26, 153, 0.14);
}

/* Color picker */
.qrg-field--color {
    flex: 0 0 auto;
    min-width: 110px;
}

.qrg-color-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.qrg-color-dark,
.qrg-color-light {
    width: 44px;
    height: 38px;
    padding: 2px;
    border: 1.5px solid var(--qrg-border);
    border-radius: 8px;
    cursor: pointer;
    background: none;
    flex-shrink: 0;
}

.qrg-color-hex {
    font-size: 12px;
    font-family: monospace;
    color: #666;
}

/* Margin range */
.qrg-margin-range {
    width: calc(100% - 40px);
    margin-right: 10px;
    vertical-align: middle;
    accent-color: var(--qrg-brand);
}

.qrg-margin-val {
    font-size: 13px;
    font-weight: 600;
    color: var(--qrg-brand);
    font-family: monospace;
    vertical-align: middle;
}

/* Error correction radio group */
.qrg-ec-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.qrg-radio {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: normal;
    text-transform: none;
    letter-spacing: 0;
    cursor: pointer;
    padding: 6px 12px;
    border: 1.5px solid var(--qrg-border);
    border-radius: 20px;
    transition: border-color 0.2s, background 0.2s;
    white-space: nowrap;
}

.qrg-radio:has(input:checked) {
    border-color: var(--qrg-brand);
    background: var(--qrg-brand-soft);
    color: var(--qrg-brand);
    font-weight: 600;
}

.qrg-radio input {
    margin: 0;
    accent-color: var(--qrg-brand);
}

/* ---- Transparent toggle ---- */
.qrg-field--toggle {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-width: 160px;
    flex: 0 0 auto;
}

.qrg-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    font-weight: normal;
    text-transform: none;
    letter-spacing: 0;
    font-size: 13px;
    color: #444;
    margin-top: 2px;
}

.qrg-toggle input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.qrg-toggle-track {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    border-radius: 20px;
    background: var(--qrg-border);
    flex-shrink: 0;
    transition: background 0.2s;
}

.qrg-toggle-track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}

.qrg-toggle input:checked ~ .qrg-toggle-track {
    background: var(--qrg-brand);
}

.qrg-toggle input:checked ~ .qrg-toggle-track::after {
    transform: translateX(16px);
}

.qrg-toggle-label {
    line-height: 1.3;
    color: #555;
}

/* ---- Canvas transparent preview (checkerboard) ---- */
.qrg-preview-wrap.is-transparent {
    background-image:
        linear-gradient(45deg, #ccc 25%, transparent 25%),
        linear-gradient(-45deg, #ccc 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #ccc 75%),
        linear-gradient(-45deg, transparent 75%, #ccc 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
    background-color: #fff;
}

/* ---- Buttons ---- */
.qrg-container .qrg-btn {
    display: inline-flex;
    align-items: center !important;
    justify-content: center;
    gap: 6px !important;
    padding: 10px 22px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    font-family: inherit !important;
    border-radius: 8px !important;
    border: none !important;
    box-shadow: none !important;
    cursor: pointer !important;
    transition: opacity 0.15s, transform 0.1s !important;
    text-decoration: none !important;
    line-height: 1.4 !important;
    text-transform: none !important;
    appearance: none !important;
}

.qrg-container .qrg-btn:active {
    transform: scale(0.97);
}

.qrg-container .qrg-btn--primary {
    background: var(--qrg-brand) !important;
    color: #fff !important;
}

.qrg-container .qrg-btn--primary:hover,
.qrg-container .qrg-btn--primary:focus {
    background: var(--qrg-brand-dark) !important;
    color: #fff !important;
}

.qrg-container .qrg-btn--primary:disabled {
    opacity: 0.55 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

.qrg-container .qrg-btn--secondary {
    background: var(--qrg-brand-soft) !important;
    color: var(--qrg-brand) !important;
    border: 1.5px solid rgba(27, 26, 153, 0.22) !important;
}

.qrg-container .qrg-btn--secondary:hover,
.qrg-container .qrg-btn--secondary:focus {
    background: #dfdefd !important;
    color: var(--qrg-brand-dark) !important;
}

.qrg-container .qrg-btn--ghost {
    background: transparent !important;
    color: var(--qrg-muted) !important;
    border: 1.5px solid var(--qrg-border) !important;
}

.qrg-container .qrg-btn--ghost:hover,
.qrg-container .qrg-btn--ghost:focus {
    background: #f5f5f8 !important;
    color: #333 !important;
}

.qrg-container .qrg-generate-btn {
    width: 100%;
    justify-content: center !important;
    padding: 13px !important;
    font-size: 15px !important;
    border-radius: 9px !important;
    margin-top: 4px;
}

/* ---- Output ---- */
.qrg-output {
    margin-top: 24px;
    background: var(--qrg-surface);
    border: 1px solid var(--qrg-border);
    border-radius: 18px;
    padding: 28px 32px;
    text-align: center;
    box-shadow: 0 16px 36px rgba(17, 24, 39, 0.08);
    animation: qrg-fadein 0.3s ease;
}

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

.qrg-preview-wrap {
    display: inline-block;
    padding: 16px;
    background: #fff;
    border: 1px solid var(--qrg-border);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(27, 26, 153, 0.08);
    margin-bottom: 20px;
    max-width: 100%;
}

.qrg-canvas {
    display: block;
    max-width: 320px;
    max-height: 320px;
    width: 100%;
    height: auto !important;
    border-radius: 4px;
}

.qrg-output-info {
    margin-bottom: 16px;
}

.qrg-output-url {
    font-size: 12px;
    color: var(--qrg-muted);
    word-break: break-all;
    margin: 0;
    font-family: monospace;
}

.qrg-output-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* ---- Error ---- */
.qrg-error {
    margin-top: 16px;
    background: #fff7f7;
    border: 1px solid #f2b4b4;
    border-radius: 8px;
    padding: 12px 16px;
    color: #c0392b;
    font-size: 13px;
}

/* ---- Loading ---- */
.qrg-loading {
    margin-top: 16px;
    text-align: center;
    color: var(--qrg-muted);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.qrg-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--qrg-border);
    border-top-color: var(--qrg-brand);
    border-radius: 50%;
    animation: qrg-spin 0.7s linear infinite;
}

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

/* ---- Admin wrap override ---- */
.qr-admin-wrap .qrg-container {
    max-width: 700px;
    margin-top: 16px;
}

.qr-admin-wrap h1 {
    margin-bottom: 4px;
}

.qr-admin-wrap .description {
    color: #666;
    margin-bottom: 20px;
}

/* ---- Logo upload ---- */
.qrg-logo-container {
    position: relative;
}

.qrg-logo-input {
    display: block;
    width: 100%;
    padding: 11px 14px;
    border: 1.5px dashed var(--qrg-border);
    border-radius: 8px;
    font-size: 13px;
    background: #f9f9fc;
    cursor: pointer;
    box-sizing: border-box;
    transition: border-color 0.2s, background 0.2s;
}

.qrg-logo-input:hover {
    border-color: var(--qrg-brand);
    background: #f0f0ff;
}

.qrg-logo-input:focus {
    outline: none;
    border-color: var(--qrg-brand);
    box-shadow: 0 0 0 3px rgba(27, 26, 153, 0.14);
}

.qrg-logo-preview {
    display: none;
    width: 80px;
    height: 80px;
    margin-top: 10px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    border: 1.5px solid var(--qrg-border);
    border-radius: 8px;
    padding: 6px;
    box-sizing: border-box;
    background-color: #fafafa;
}

.qrg-logo-clear {
    display: none !important;
    margin-top: 8px;
    padding: 6px 12px !important;
    font-size: 12px !important;
    background: #ffebee !important;
    color: #c0392b !important;
    border: 1px solid #f2b4b4 !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    transition: background 0.2s !important;
}

.qrg-logo-clear:hover {
    background: #ffdddd !important;
}

.qrg-logo-hint {
    font-size: 12px;
    color: var(--qrg-muted);
    margin: 8px 0 0;
    font-style: italic;
}

@media (max-width: 640px) {
    .qrg-hero,
    .qrg-form,
    .qrg-output {
        padding: 20px 18px;
        border-radius: 16px;
    }

    .qrg-row {
        gap: 12px;
        margin-bottom: 16px;
    }

    .qrg-row .qrg-field,
    .qrg-field--toggle,
    .qrg-field--color {
        min-width: 100%;
        flex-basis: 100%;
    }

    .qrg-color-wrap {
        justify-content: space-between;
    }

    .qrg-ec-group {
        gap: 8px;
    }

    .qrg-radio {
        width: 100%;
        justify-content: center;
        white-space: normal;
    }

    .qrg-output-actions {
        flex-direction: column;
    }

    .qrg-output-actions .qrg-btn {
        width: 100%;
        justify-content: center;
    }

    .qrg-preview-wrap {
        width: 100%;
        padding: 12px;
    }

    .qrg-canvas {
        max-width: 100%;
    }
}