/* Cards, buttons, forms, table, badges, toasts, modals, QR and chain UI. */

/* --------------------------------------------------------- a11y utilities */

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -60px;
    left: var(--space-4);
    z-index: 60;
    padding: var(--space-2) var(--space-4);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    transition: top var(--transition);
}

.skip-link:focus {
    top: var(--space-3);
}


/* ------------------------------------------------------------------- cards */

.card {
    padding: var(--space-5);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-flush {
    box-shadow: none;
}

.card-header {
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: 16px;
    font-weight: 620;
    letter-spacing: -0.01em;
}

.card-hint {
    margin-top: var(--space-1);
    color: var(--text-muted);
    font-size: 13px;
}

.card-footer {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
}

.stat-label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.stat-value {
    font-size: 26px;
    font-weight: 640;
    letter-spacing: -0.02em;
    word-break: break-word;
}

.stat-hint {
    color: var(--text-muted);
    font-size: 12px;
}

.stat-card .btn {
    align-self: flex-start;
}

/* ----------------------------------------------------------------- buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 38px;
    padding: 0 var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 550;
    white-space: nowrap;
    transition: background var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);
}

.btn:disabled {
    opacity: .6;
}

.btn-small {
    min-height: 32px;
    padding: 0 var(--space-3);
    font-size: 13px;
}

.btn-primary {
    background: var(--primary);
    color: var(--primary-text);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

.btn-secondary {
    background: var(--surface-secondary);
    border-color: var(--border);
    color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--border-strong);
}

.btn-ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--surface-secondary);
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.icon-btn:hover:not(:disabled) {
    background: var(--surface-secondary);
    color: var(--text);
}

.icon-btn:disabled {
    opacity: .5;
}

/* Icon buttons swap their icon for the spinner while busy. */
.icon-btn.is-loading .icon {
    display: none;
}

.icon-btn-danger:hover:not(:disabled) {
    background: var(--danger-soft);
    color: var(--danger);
}

.icon-btn-success:hover:not(:disabled) {
    background: var(--success-soft);
    color: var(--success);
}

.icon {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
}

.link-button {
    padding: 0;
    color: var(--text);
    font-weight: 570;
    text-align: left;
    border-bottom: 1px solid transparent;
}

.link-button:hover {
    color: var(--accent);
    border-bottom-color: currentColor;
}

.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 600ms linear infinite;
}

.spinner-lg {
    width: 22px;
    height: 22px;
    border-width: 2.5px;
    color: var(--text-muted);
}

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

/* ------------------------------------------------------------------- forms */

.form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-inline {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--space-4);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    min-width: 0;
}

.form-field-grow {
    flex: 1 1 320px;
}

.form-field > label {
    font-size: 13px;
    font-weight: 600;
}

.input,
.select {
    width: 100%;
    min-height: 40px;
    padding: 0 var(--space-3);
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.select {
    padding-right: var(--space-2);
    cursor: pointer;
}

.select-compact {
    width: auto;
    min-width: 110px;
    min-height: 34px;
    font-size: 13px;
}

.input:hover,
.select:hover {
    border-color: var(--text-muted);
}

.input:focus,
.select:focus {
    border-color: var(--focus);
    box-shadow: 0 0 0 3px var(--accent-soft);
    outline: none;
}

.input[aria-invalid="true"] {
    border-color: var(--danger);
}

.form-hint {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.45;
}

.form-error {
    color: var(--danger);
    font-size: 13px;
    font-weight: 550;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.toggle-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.switch {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
}

.switch input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
}

.switch-track {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--surface-secondary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-pill);
    transition: background var(--transition), border-color var(--transition);
}

.switch-track::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: var(--surface);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition);
}

.switch input:checked + .switch-track {
    background: var(--success);
    border-color: var(--success);
}

.switch input:checked + .switch-track::after {
    transform: translateX(20px);
}

.switch input:focus-visible + .switch-track {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

.switch-label {
    font-size: 14px;
    font-weight: 550;
}

/* ------------------------------------------------------------------ badges */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success {
    background: var(--success-soft);
    color: var(--success);
}

.badge-muted {
    background: var(--surface-secondary);
    color: var(--text-muted);
}

.badge-outline {
    border-color: var(--border-strong);
    color: var(--text-muted);
}

.code-chip {
    display: inline-block;
    padding: 2px 8px;
    background: var(--surface-secondary);
    border-radius: var(--radius-sm);
    color: var(--text);
}

/* ----------------------------------------------------------------- toolbar */

.toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.toolbar-search {
    flex: 1 1 260px;
    min-width: 0;
}

.toolbar-filters {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.toolbar-count {
    color: var(--text-muted);
    font-size: 13px;
    margin-left: auto;
}

/* ------------------------------------------------------------------- table */

.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.table {
    min-width: 880px;
    table-layout: fixed;
}

.table th:nth-child(1) { width: 15%; }
.table th:nth-child(2) { width: 10%; }
.table th:nth-child(3) { width: 15%; }
.table th:nth-child(4) { width: 20%; }
.table th:nth-child(5) { width: 8%; }
.table th:nth-child(6) { width: 14%; }
.table th:nth-child(7) { width: 18%; }

.table thead th {
    padding: var(--space-3) var(--space-4);
    background: var(--surface-secondary);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: .03em;
    text-transform: uppercase;
    text-align: left;
    white-space: nowrap;
}

.table tbody td {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--border);
    vertical-align: middle;
}

.table tbody tr:hover {
    background: var(--surface-secondary);
}

.cell-url {
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: middle;
}

.cell-muted {
    color: var(--text-muted);
    font-size: 13px;
    white-space: nowrap;
}

.row-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1px;
}

.table .row-actions .icon-btn {
    width: 30px;
    height: 30px;
}

.table .url-row {
    max-width: 260px;
    padding-left: var(--space-2);
}

.table .url-text {
    font-size: 12px;
}

.empty-state {
    padding: var(--space-5) 0;
    color: var(--text-muted);
    text-align: center;
}

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) 0;
}

/* --------------------------------------------------------------- url rows */

.url-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-width: 0;
    padding: 6px 6px 6px var(--space-3);
    background: var(--surface-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.url-text {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12.5px;
}

.url-row-actions {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 0 0 auto;
}

.field-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    min-width: 0;
    width: 100%;
}

.field-row .url-row {
    width: 100%;
}

.field-label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .03em;
    text-transform: uppercase;
}

.field-value {
    word-break: break-word;
}

/* ------------------------------------------------------------- result card */

.result-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    border-color: color-mix(in srgb, var(--success) 40%, var(--border));
}

@supports not (border-color: color-mix(in srgb, red 50%, blue)) {
    .result-card {
        border-color: var(--success);
    }
}

.result-heading {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.result-icon {
    color: var(--success);
}

.result-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--surface-secondary);
    border-radius: var(--radius-md);
}

.output-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.output-title {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: .05em;
    text-transform: uppercase;
}

/* ---------------------------------------------------------------------- QR */

.qr-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: center;
}

.qr-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 260px;
    padding: var(--space-3);
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.qr-preview-lg {
    max-width: 340px;
    margin: 0 auto;
}

.qr-canvas {
    width: 100%;
    height: auto;
    image-rendering: pixelated;
}

.qr-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
}

.qr-output {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: center;
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--border);
}

.qr-output .url-row {
    width: 100%;
    max-width: 460px;
}

/* ------------------------------------------------------------ resolver UI */

.resolve-view {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.resolve-summary {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.resolve-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.resolve-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-3);
}

.metric {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-3) var(--space-4);
    background: var(--surface-secondary);
    border-radius: var(--radius-md);
}

.metric-label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .03em;
    text-transform: uppercase;
}

.metric-value {
    font-size: 20px;
    font-weight: 620;
}

.notice {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 14px;
}

.notice-warning {
    background: var(--warning-soft);
    border-color: var(--warning);
    color: var(--text);
}

.notice-danger {
    background: var(--danger-soft);
    border-color: var(--danger);
    color: var(--text);
}

.notice-detail {
    margin-top: var(--space-1);
    color: var(--text-muted);
    font-size: 13px;
    word-break: break-word;
}

.chain-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: var(--chain-max-height);
    overflow-y: auto;
    padding-right: var(--space-2);
}

.chain-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    background: var(--surface-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.chain-index {
    flex: 0 0 auto;
    min-width: 34px;
    color: var(--text-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    text-align: right;
}

.chain-main {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1 1 auto;
}

.chain-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.chain-status {
    padding: 1px 7px;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 650;
    font-variant-numeric: tabular-nums;
}

.chain-status-redirect {
    border-color: var(--warning);
    color: var(--warning);
}

.chain-status-final {
    border-color: var(--success);
    color: var(--success);
}

.chain-status-error {
    border-color: var(--danger);
    color: var(--danger);
}

.chain-domain {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
}

.chain-url {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12.5px;
}

.detail-resolve:not(:empty) {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
}

/* ------------------------------------------------------------------ recent */

.recent-list {
    display: flex;
    flex-direction: column;
}

.recent-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    border-top: 1px solid var(--border);
}

.recent-item:first-child {
    border-top: 0;
}

.recent-main {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.recent-url {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12.5px;
}

.recent-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 0 0 auto;
}

/* ------------------------------------------------------------------ toasts */

.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 80;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-width: min(380px, calc(100vw - 2 * var(--space-4)));
    pointer-events: none;
}

@media (max-width: 400px) {
    .toast-container {
        left: var(--space-3);
        right: var(--space-3);
        max-width: none;
    }
}


.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-left-width: 3px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    pointer-events: auto;
    cursor: pointer;
    animation: toast-in 180ms ease;
}

.toast-leaving {
    opacity: 0;
    transform: translateX(12px);
    transition: opacity 180ms ease, transform 180ms ease;
}

.toast-text {
    font-size: 14px;
}

.toast-icon {
    flex: 0 0 auto;
    margin-top: 1px;
}

.toast-success {
    border-left-color: var(--success);
}

.toast-success .toast-icon {
    color: var(--success);
}

.toast-error {
    border-left-color: var(--danger);
}

.toast-error .toast-icon {
    color: var(--danger);
}

.toast-warning {
    border-left-color: var(--warning);
}

.toast-warning .toast-icon {
    color: var(--warning);
}

.toast-info {
    border-left-color: var(--accent);
}

.toast-info .toast-icon {
    color: var(--accent);
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(16px);
    }
}

/* ------------------------------------------------------------------ modals */

body.modal-open {
    overflow: hidden;
}


.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 70;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-5) var(--space-4);
    background: rgba(8, 10, 14, .5);
    overflow-y: auto;
    animation: fade-in 140ms ease;
}

.modal {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 560px;
    margin: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: modal-in 160ms ease;
}

.modal-sm {
    max-width: 440px;
}

.modal-lg {
    max-width: 780px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border);
}

.modal-title {
    font-size: 17px;
    font-weight: 620;
    letter-spacing: -0.01em;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-5);
}

.modal-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
}

@keyframes modal-in {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
}