/**
 * 二维码工作台样式 — 商用简洁风
 */

.qr-page .qr-main {
    padding-top: 12px;
}

.qr-workspace {
    background: var(--tb-surface, #fff);
    border: 1px solid var(--tb-border, #e2e8f0);
    border-radius: var(--tb-radius-lg, 8px);
    box-shadow: var(--tb-shadow);
    min-height: calc(100vh - var(--nav-h, 56px) - 38px);
    overflow: hidden;
}

.qr-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 2px;
    padding: 0 16px;
    border-bottom: 1px solid var(--tb-border, #e2e8f0);
    background: #fafbfc;
}

.qr-tab {
    position: relative;
    padding: 14px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--tb-text-secondary, #475569);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.15s, border-color 0.15s;
}

.qr-tab:hover {
    color: var(--tb-primary, #0d9488);
}

.qr-tab.active {
    color: var(--tb-primary, #0d9488);
    font-weight: 600;
    border-bottom-color: var(--tb-primary, #0d9488);
}

.qr-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 0;
    min-height: 560px;
}

.qr-editor {
    padding: 22px 24px 28px;
    border-right: 1px solid var(--tb-border, #e2e8f0);
}

.qr-editor-head {
    margin-bottom: 18px;
}

.qr-editor-title {
    margin: 0 0 6px;
    font-size: 20px;
    font-weight: 700;
    color: var(--tb-text, #1e293b);
}

.qr-editor-desc {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--tb-text-secondary, #475569);
}

.qr-panel {
    margin-bottom: 8px;
}

.qr-label {
    display: block;
    margin: 0 0 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--tb-text, #1e293b);
}

.qr-input,
.qr-textarea,
.qr-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--tb-border, #e2e8f0);
    border-radius: var(--tb-radius, 6px);
    font-size: 14px;
    font-family: inherit;
    color: var(--tb-text, #1e293b);
    background: #fff;
    box-sizing: border-box;
}

.qr-input:focus,
.qr-textarea:focus,
.qr-select:focus {
    outline: none;
    border-color: var(--tb-primary, #0d9488);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}

.qr-textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.55;
}

.qr-hint {
    margin: 8px 0 0;
    font-size: 12px;
    color: var(--tb-text-secondary, #64748b);
    line-height: 1.5;
}

.qr-panel-tools {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.qr-panel-tools .qr-label {
    margin: 0;
}

.qr-char-count {
    font-size: 12px;
    color: #94a3b8;
}

.qr-seg {
    display: inline-flex;
    gap: 0;
    margin-bottom: 16px;
    border: 1px solid var(--tb-border, #e2e8f0);
    border-radius: var(--tb-radius, 6px);
    overflow: hidden;
}

.qr-seg-btn {
    padding: 8px 14px;
    border: none;
    background: #fff;
    color: var(--tb-text-secondary, #475569);
    font-size: 13px;
    cursor: pointer;
}

.qr-seg-btn + .qr-seg-btn {
    border-left: 1px solid var(--tb-border, #e2e8f0);
}

.qr-seg-btn.active {
    background: #f0fdfa;
    color: var(--tb-primary-dark, #0f766e);
    font-weight: 600;
}

.qr-social-block .qr-label {
    margin-top: 12px;
}

.qr-social-block .qr-label:first-child {
    margin-top: 0;
}

.qr-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--tb-text-secondary, #475569);
    cursor: pointer;
}

.qr-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 14px;
}

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

.qr-actions {
    margin-top: 22px;
    text-align: center;
}

.qr-gen-btn {
    min-width: 180px;
    justify-content: center;
}

.qr-coin-hint {
    margin: 10px 0 0;
    font-size: 12px;
    color: #dc2626;
}

.qr-free-hint {
    color: var(--tb-text-secondary, #64748b);
}

.qr-side {
    padding: 18px 16px 20px;
    background: #fafbfc;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.qr-preview-card {
    background: #fff;
    border: 1px solid var(--tb-border, #e2e8f0);
    border-radius: var(--tb-radius-lg, 8px);
    overflow: hidden;
}

.qr-preview-stage {
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #fff;
}

.qr-preview-stage canvas,
.qr-preview-stage svg,
.qr-preview-stage img {
    max-width: 100%;
    height: auto;
}

.qr-preview-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #cbd5e1;
    font-size: 13px;
}

.qr-preview-empty i {
    font-size: 64px;
    line-height: 1;
}

.qr-side-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--tb-border, #e2e8f0);
}

.qr-side-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 8px;
    border: none;
    background: #fff;
    color: var(--tb-text-secondary, #475569);
    font-size: 12px;
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
}

.qr-side-btn + .qr-side-btn {
    border-left: 1px solid var(--tb-border, #e2e8f0);
}

.qr-side-btn i {
    font-size: 18px;
}

.qr-side-btn:hover:not(:disabled) {
    color: var(--tb-primary, #0d9488);
    background: #f8fafc;
}

.qr-side-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.qr-side-btn.is-active {
    color: var(--tb-primary, #0d9488);
    background: #f0fdfa;
}

.qr-style-panel {
    background: #fff;
    border: 1px solid var(--tb-border, #e2e8f0);
    border-radius: var(--tb-radius-lg, 8px);
    padding: 14px;
}

.qr-style-title {
    margin: 0 0 12px;
    font-size: 14px;
    font-weight: 700;
}

.qr-style-row {
    margin-bottom: 12px;
}

.qr-style-row input[type="color"] {
    width: 100%;
    height: 36px;
    padding: 2px;
    border: 1px solid var(--tb-border, #e2e8f0);
    border-radius: var(--tb-radius, 6px);
    background: #fff;
    cursor: pointer;
}

.qr-logo-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.qr-color-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.qr-preset {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    border: 1px solid #cbd5e1;
    cursor: pointer;
    background: linear-gradient(135deg, var(--p-fg, #0d9488) 50%, var(--p-bg, #fff) 50%);
}

@media (max-width: 1024px) {
    .qr-layout {
        grid-template-columns: 1fr;
    }

    .qr-editor {
        border-right: none;
        border-bottom: 1px solid var(--tb-border, #e2e8f0);
    }

    .qr-side {
        background: #fff;
    }
}

@media (max-width: 640px) {
    .qr-form-grid {
        grid-template-columns: 1fr;
    }

    .qr-tabs {
        padding: 0 8px;
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .qr-tab {
        white-space: nowrap;
        padding: 12px 12px;
        font-size: 13px;
    }
}