.tool-page {
    padding: 50px 0 100px;
}

.tool-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;

    color: var(--muted);
    font-size: 13px;
    margin-bottom: 28px;
}

.tool-back:hover {
    color: white;
}

.tool-header {
    margin-bottom: 34px;
}

.tool-header .tool-icon {
    width: 48px;
    height: 48px;
    font-size: 22px;
    margin-bottom: 16px;
}

.tool-header h1 {
    font-size: 32px;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.tool-header p {
    color: var(--muted);
    font-size: 14px;
    max-width: 520px;
    line-height: 1.6;
}

.tool-panel {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 20px;

    padding: 28px;

    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--card);
}

.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 8px;
}

.field textarea,
.field select {
    width: 100%;

    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.04);
    color: var(--text);

    padding: 12px 14px;
    font-size: 14px;
    font-family: inherit;

    outline: none;
    resize: vertical;
}

.field select option {
    background: #2a2d38;
    color: var(--text);
}

.field textarea:focus,
.field select:focus {
    border-color: rgba(124,92,255,.45);
}

.field-row {
    display: flex;
    gap: 14px;
}

.field-row .field {
    flex: 1;
}

.generate-button {
    border: none;
    color: white;
    font-weight: 600;

    padding: 13px 22px;
    border-radius: 10px;

    background: linear-gradient(135deg, var(--primary), var(--primary-2));

    cursor: pointer;
    font-size: 14px;
}

.qr-output {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;

    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.03);

    padding: 20px;
}

#qrCanvasWrap {
    width: 220px;
    height: 220px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: white;
    border-radius: 10px;
}

#qrCanvasWrap img,
#qrCanvasWrap canvas {
    max-width: 100%;
    max-height: 100%;
}

.qr-placeholder {
    color: #888;
    font-size: 12px;
    text-align: center;
    padding: 0 20px;
}

.download-button {
    display: inline-block;
    width: 100%;
    text-align: center;

    padding: 11px 18px;
    border-radius: 10px;

    background: rgba(255,255,255,.07);
    border: 1px solid var(--border);

    font-size: 13px;
    cursor: pointer;
}

.download-button:hover {
    background: rgba(255,255,255,.12);
}

.download-button[disabled] {
    opacity: .4;
    cursor: not-allowed;
    pointer-events: none;
}

@media (max-width: 700px) {
    .tool-panel {
        grid-template-columns: 1fr;
    }

    .field-row {
        flex-direction: column;
        gap: 0;
    }
}