/* Link Kısaltıcı — x.gd, hafif ve hızlı hissi */
.us-page {
    --us-bg: #f4f5f7;
    --us-surface: #ffffff;
    --us-border: #e2e4e9;
    --us-border-focus: #3b82f6;
    --us-text: #1a1d24;
    --us-muted: #6b7280;
    --us-btn: #2563eb;
    --us-btn-hover: #1d4ed8;
    --us-btn-glow: rgba(37, 99, 235, 0.35);
    --us-input-bg: #fafbfc;

    padding: 2.5rem max(1rem, env(safe-area-inset-left, 0px)) 3rem;
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
    background: var(--us-bg);
    border-radius: var(--radius-ui, 16px);
}

[data-bs-theme="dark"] .us-page {
    --us-bg: #0f1114;
    --us-surface: #181b20;
    --us-border: #2d323c;
    --us-border-focus: #60a5fa;
    --us-text: #f1f5f9;
    --us-muted: #94a3b8;
    --us-btn: #3b82f6;
    --us-btn-hover: #60a5fa;
    --us-btn-glow: rgba(96, 165, 250, 0.25);
    --us-input-bg: #12151a;
}

.us-header {
    text-align: center;
    margin-bottom: 2rem;
}

.us-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--us-text);
    letter-spacing: -0.03em;
    margin: 0 0 0.5rem;
}

.us-subtitle {
    font-size: 0.95rem;
    color: var(--us-muted);
    margin: 0;
    line-height: 1.55;
}

.us-card {
    background: var(--us-surface);
    border: 1px solid var(--us-border);
    border-radius: 14px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    padding: 1.5rem 1.35rem;
    margin-bottom: 1.25rem;
}

[data-bs-theme="dark"] .us-card {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.us-card--form {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    align-items: stretch;
}

.us-bar {
    width: 100%;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.us-actions {
    display: flex;
    justify-content: center;
    margin-top: 0.15rem;
}

.us-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--us-muted);
    margin: 0;
    text-align: center;
}

.us-input {
    width: 100%;
    box-sizing: border-box;
    padding: 1rem 1.1rem;
    font-size: 1.05rem;
    border: 2px solid var(--us-border);
    border-radius: 10px;
    background: var(--us-input-bg);
    color: var(--us-text);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.us-input::placeholder {
    color: var(--us-muted);
    opacity: 0.85;
}

.us-input:hover {
    border-color: #cbd0d8;
}

[data-bs-theme="dark"] .us-input:hover {
    border-color: #3d4450;
}

.us-input:focus {
    border-color: var(--us-border-focus);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
    background: var(--us-surface);
}

[data-bs-theme="dark"] .us-input:focus {
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.12);
}

.us-shorten-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    padding: 0.75rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: var(--us-btn);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s ease, box-shadow 0.2s ease, transform 0.1s ease, opacity 0.15s;
    box-shadow: 0 2px 8px var(--us-btn-glow);
}

.us-shorten-btn:hover:not(:disabled) {
    background: var(--us-btn-hover);
    box-shadow: 0 4px 14px var(--us-btn-glow);
}

.us-shorten-btn:active:not(:disabled) {
    transform: translateY(1px);
}

.us-shorten-btn:disabled {
    opacity: 0.75;
    cursor: not-allowed;
    box-shadow: none;
}

.us-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: us-spin 0.45s linear infinite;
    flex-shrink: 0;
}

.us-spinner[hidden] {
    display: none !important;
}

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

.us-error {
    padding: 0.55rem 0.85rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #b91c1c;
    background: #fef2f2;
    border: 1px solid #fecaca;
}

[data-bs-theme="dark"] .us-error {
    color: #fca5a5;
    background: rgba(127, 29, 29, 0.25);
    border-color: rgba(248, 113, 113, 0.35);
}

.us-error[hidden] {
    display: none !important;
}

/* Geçmiş */
.us-history {
    margin-bottom: 1rem;
    padding: 0.65rem 0.85rem;
    background: var(--us-surface);
    border: 1px solid var(--us-border);
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.us-history[hidden] {
    display: none !important;
}

.us-history-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    margin-bottom: 0.45rem;
}

.us-history-head-text {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.35rem;
    min-width: 0;
}

.us-history-hint {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--us-muted);
    opacity: 0.85;
}

.us-history-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--us-muted);
}

.us-history-clear {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.45rem;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--us-muted);
    background: transparent;
    border: 1px solid var(--us-border);
    border-radius: 6px;
    cursor: pointer;
    transition: color 0.1s ease, border-color 0.1s ease, background 0.1s ease;
}

.us-history-clear:hover {
    color: #b91c1c;
    border-color: rgba(185, 28, 28, 0.35);
    background: rgba(185, 28, 28, 0.06);
}

[data-bs-theme="dark"] .us-history-clear:hover {
    color: #fca5a5;
    border-color: rgba(248, 113, 113, 0.35);
    background: rgba(248, 113, 113, 0.08);
}

.us-history-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 7.5rem;
    overflow-y: auto;
}

.us-history-list li {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    padding: 0.28rem 0;
    border-bottom: 1px solid var(--us-border);
    font-size: 0.78rem;
    line-height: 1.35;
}

.us-history-list li:last-child {
    border-bottom: none;
}

.us-history-short--btn {
    flex: 0 1 auto;
    font: inherit;
    font-weight: 600;
    color: var(--us-btn);
    text-align: left;
    text-decoration: underline;
    text-underline-offset: 2px;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    word-break: break-all;
}

.us-history-short--btn:hover {
    color: var(--us-btn-hover);
}

.us-history-orig {
    flex: 1;
    min-width: 0;
    color: var(--us-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Sonuç paneli — hızlı açılış */
.us-result-wrap {
    overflow: hidden;
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transition: grid-template-rows 0.2s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.16s ease;
}

.us-result-wrap[hidden] {
    display: none !important;
}

.us-result-wrap.us-result-wrap--open {
    display: grid !important;
    grid-template-rows: 1fr;
    opacity: 1;
    margin-bottom: 1rem;
}

.us-result-wrap > .us-result-card {
    min-height: 0;
    overflow: hidden;
}

.us-result-card {
    background: var(--us-surface);
    border: 1px solid var(--us-border);
    border-radius: 14px;
    padding: 1.35rem 1.25rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    will-change: transform, opacity;
}

[data-bs-theme="dark"] .us-result-card {
    box-shadow: 0 4px 28px rgba(0, 0, 0, 0.4);
}

.us-result-card--pop {
    animation: us-pop 0.38s cubic-bezier(0.34, 1.3, 0.64, 1) both;
}

@keyframes us-pop {
    0% {
        opacity: 0;
        transform: scale(0.94) translateY(10px);
    }
    70% {
        opacity: 1;
        transform: scale(1.015) translateY(0);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.us-result-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--us-muted);
    margin: 0 0 0.85rem;
}

.us-result-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}

.us-short-link {
    flex: 1 1 200px;
    min-width: 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--us-btn);
    word-break: break-all;
    text-decoration: none;
    line-height: 1.35;
    cursor: pointer;
    border-radius: 6px;
    transition: color 0.12s ease, background 0.12s ease;
}

[data-bs-theme="dark"] .us-short-link {
    color: var(--us-btn-hover);
}

.us-short-link:hover {
    text-decoration: underline;
}

.us-short-link:focus-visible {
    outline: 2px solid var(--us-border-focus);
    outline-offset: 2px;
}

.us-copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    background: var(--us-text);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.1s ease, opacity 0.15s, background 0.15s;
    flex-shrink: 0;
}

[data-bs-theme="dark"] .us-copy-btn {
    background: #334155;
    color: #f8fafc;
}

.us-copy-btn:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.us-copy-btn:active {
    transform: translateY(0);
}

/* Toast — kısa bildirim */
.us-toast {
    position: fixed;
    bottom: 1.35rem;
    left: 50%;
    z-index: 1080;
    padding: 0.45rem 1.1rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    background: var(--us-text);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
    transform: translate(-50%, 12px);
    opacity: 0;
    transition: transform 0.12s ease, opacity 0.12s ease;
    pointer-events: none;
}

[data-bs-theme="dark"] .us-toast {
    background: #334155;
}

.us-toast[hidden] {
    display: none !important;
}

.us-toast--in {
    opacity: 1;
    transform: translate(-50%, 0);
}

.us-toast--out {
    opacity: 0;
    transform: translate(-50%, 8px);
}