.url-workspace {
    max-width: var(--container);
    margin: 0 auto;
    padding: 26px 20px;
}

.url-card {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
    background: var(--pane-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.url-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
    z-index: 2;
}

/* ── 分段切换 ───────────────────────────── */
.url-subtabs {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 14px 18px 0;
    background: var(--subtle-bg);
    border-bottom: 1px solid var(--border);
}

.url-subtab {
    position: relative;
    padding: 11px 20px;
    font-size: 13px;
    font-family: var(--font-mono);
    letter-spacing: 0.4px;
    color: var(--text-dim);
    background: transparent;
    border: 1px solid transparent;
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    margin-bottom: -1px;
    transition: color 0.18s ease, background-color 0.18s ease;
}

.url-subtab::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 0;
    height: 2px;
    border-radius: 2px;
    background: transparent;
    transform: scaleX(0);
    transition: transform 0.22s ease;
}

.url-subtab:hover {
    color: var(--primary-ink);
    background: var(--surface);
}

.url-subtab.active {
    color: var(--text);
    font-weight: 600;
    background: var(--pane-bg-solid);
    border-color: var(--border);
    border-bottom-color: transparent;
}

.url-subtab.active::after {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(1);
}

.url-card-body {
    padding: 20px 22px 24px;
}

/* ── 文本区 ─────────────────────────────── */
.url-prompt {
    position: relative;
    margin: 0 0 12px;
    padding-left: 12px;
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-mono);
    letter-spacing: 0.3px;
    color: var(--text-dim);
}

.url-prompt::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 3px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
}

.url-result-title {
    margin-top: 24px;
}

.url-textarea {
    width: 100%;
    min-height: 200px;
    padding: 14px;
    font-size: 14px;
    font-family: var(--font-mono);
    line-height: 1.7;
    color: var(--text);
    background: var(--pane-bg-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    resize: vertical;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.url-textarea::placeholder {
    color: var(--text-mute);
}

.url-textarea:hover {
    border-color: var(--border-strong);
}

.url-textarea:focus {
    border-color: var(--primary);
    box-shadow: var(--ring);
}

.url-textarea-output {
    background: rgba(5, 150, 105, 0.05);
    border-color: rgba(5, 150, 105, 0.24);
    color: var(--text);
}

.url-action-row {
    display: flex;
    justify-content: flex-end;
    margin-top: 16px;
}

/* ── 主按钮 ─────────────────────────────── */
.btn-url-action {
    position: relative;
    min-width: 132px;
    height: 42px;
    padding: 0 26px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--btn-fg);
    background: linear-gradient(135deg, var(--primary-lift) 0%, var(--primary) 50%, var(--primary-deep) 100%);
    border: none;
    border-radius: 21px;
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 3px 14px rgba(14, 165, 233, 0.38);
    transition: box-shadow 0.2s ease, transform 0.12s ease, filter 0.2s ease;
}

.btn-url-action::after {
    content: "";
    position: absolute;
    top: 0;
    left: -60%;
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--shine), transparent);
    transform: skewX(-20deg);
    transition: left 0.55s ease;
}

.btn-url-action:hover {
    filter: brightness(1.08);
    box-shadow: 0 6px 22px rgba(14, 165, 233, 0.48);
}

.btn-url-action:hover::after {
    left: 130%;
}

.btn-url-action:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.35);
}

.url-result-wrap {
    margin-top: 4px;
    animation: url-result-in 0.28s ease;
}

@keyframes url-result-in {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.url-result-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 12px;
}

.btn-url-secondary {
    padding: 7px 18px;
    font-size: 13px;
    font-family: var(--font-mono);
    color: var(--primary-ink);
    background: var(--pane-bg-solid);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    cursor: pointer;
    transition: color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.btn-url-secondary:hover {
    color: var(--btn-fg);
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 2px 10px rgba(14, 165, 233, 0.4);
}

.url-error {
    margin-top: 14px;
    padding: 11px 14px;
    font-size: 13px;
    font-family: var(--font-mono);
    color: var(--error-text);
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    border-radius: 8px;
    animation: url-result-in 0.28s ease;
}

@media (max-width: 768px) {
    .url-workspace {
        padding: 16px;
    }

    .url-card-body {
        padding: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .url-result-wrap,
    .url-error {
        animation: none;
    }

    .btn-url-action::after {
        display: none;
    }
}

/* 深色下输入区用更深的底，和卡片拉开层次 */
[data-theme="dark"] .url-textarea {
    background: rgba(5, 8, 15, 0.55);
}

[data-theme="dark"] .url-card {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}