/* Shared building blocks used by every tool page. */

[hidden] {
    display: none !important;
}

.icon {
    width: 20px;
    height: 20px;
    display: block;
}

/* ---------- panels & layout ---------- */

.panel {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-raised);
    padding: 22px;
    transition: border-color 0.3s;
}

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

.panel + .panel {
    margin-top: 18px;
}

.panel-title {
    margin: 0 0 12px;
    font-size: 13px;
    font-weight: 650;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-title::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 2px;
    background: var(--accent);
    animation: panel-dot-pulse 2.6s ease-in-out infinite;
}

@keyframes panel-dot-pulse {
    50% { box-shadow: 0 0 8px 1px var(--accent-border); }
}

.pane-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 14px;
    align-items: stretch;
}

.pane-grid-plain {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.pane-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.pane-middle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
}

.pane-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 12.5px;
    font-weight: 650;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-dim);
    min-height: 30px;
}

.pane-label .field-meta {
    text-transform: none;
    letter-spacing: 0;
}

.tool-section {
    margin-top: 16px;
}

.row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.row-between {
    justify-content: space-between;
}

.grow {
    flex: 1;
    min-width: 0;
}

/* ---------- text inputs ---------- */

textarea,
input[type='text'],
input[type='number'],
input[type='password'],
input[type='datetime-local'],
input[type='date'],
input[type='time'],
select {
    width: 100%;
    padding: 11px 13px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 13.5px;
    line-height: 1.55;
    outline: none;
    transition: border-color 0.22s, box-shadow 0.22s, background 0.22s;
}

textarea {
    resize: vertical;
    min-height: 150px;
}

textarea:focus,
input:focus,
select:focus {
    border-color: var(--accent-border);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

textarea::placeholder,
input::placeholder {
    color: var(--text-faint);
}

select {
    font-family: var(--font-ui);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239aa6bd' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M6 9.5l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 15px;
    padding-right: 34px;
}

input[type='color'] {
    width: 46px;
    height: 40px;
    padding: 4px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-input);
    cursor: pointer;
}

input[type='range'] {
    accent-color: var(--accent);
    cursor: pointer;
}

input[type='checkbox'] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

label.check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    color: var(--text-dim);
    cursor: pointer;
    user-select: none;
    transition: color 0.2s;
}

label.check:hover {
    color: var(--text);
}

.field-error {
    border-color: rgba(255, 100, 116, 0.65) !important;
    box-shadow: 0 0 0 4px rgba(255, 100, 116, 0.12) !important;
}

.field-meta {
    font-size: 12px;
    color: var(--text-faint);
    font-family: var(--font-mono);
}

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

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-raised);
    color: var(--text);
    font: inherit;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s, background 0.2s, transform 0.15s var(--ease-spring), box-shadow 0.2s;
}

.button:hover {
    border-color: var(--border-strong);
    background: var(--bg-raised-hover);
    transform: translateY(-1px);
}

.button:active {
    transform: translateY(0) scale(0.98);
}

.button .icon {
    width: 16px;
    height: 16px;
}

.button-primary {
    background: linear-gradient(135deg, hsl(var(--accent-h) var(--accent-s) calc(var(--accent-l) + 4%)), hsl(var(--accent-h) var(--accent-s) calc(var(--accent-l) - 10%)));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 8px 22px -10px hsl(var(--accent-h) 90% 50% / 0.7);
}

.button-primary:hover {
    background: linear-gradient(135deg, hsl(var(--accent-h) var(--accent-s) calc(var(--accent-l) + 8%)), hsl(var(--accent-h) var(--accent-s) calc(var(--accent-l) - 6%)));
    box-shadow: 0 10px 26px -10px hsl(var(--accent-h) 90% 50% / 0.85);
}

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

.button-ghost:hover {
    color: var(--text);
    background: var(--bg-raised);
}

.button-small {
    padding: 6px 11px;
    font-size: 12.5px;
    border-radius: var(--radius-sm);
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-raised);
    color: var(--text-dim);
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, transform 0.15s var(--ease-spring);
}

.icon-button:hover {
    color: var(--text);
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

.icon-button:hover .icon {
    animation: icon-wiggle 0.45s var(--ease-spring);
}

@keyframes icon-wiggle {
    30% { transform: rotate(-8deg) scale(1.1); }
    65% { transform: rotate(6deg); }
}

.icon-button .icon {
    width: 16px;
    height: 16px;
}

.copy-button.copy-success {
    color: var(--ok);
    border-color: rgba(63, 221, 154, 0.55);
    animation: copy-pop 0.4s var(--ease-spring);
}

@keyframes copy-pop {
    35% { transform: scale(1.18); }
}

.swap-button .icon {
    transition: transform 0.4s var(--ease-spring);
}

.swap-button.swapped .icon {
    transform: rotate(180deg);
}

/* ---------- segmented control ---------- */

.segmented {
    position: relative;
    display: inline-flex;
    padding: 4px;
    gap: 2px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-input);
}

.segmented-option {
    position: relative;
    z-index: 1;
    padding: 7px 14px;
    border: none;
    border-radius: var(--radius-sm);
    background: none;
    color: var(--text-dim);
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.2s;
}

.segmented-option:hover {
    color: var(--text);
}

.segmented-active {
    color: var(--text) !important;
}

.segmented-thumb {
    position: absolute;
    top: 4px;
    bottom: 4px;
    left: 0;
    border-radius: var(--radius-sm);
    background: var(--accent-soft);
    border: 1px solid var(--accent-border);
    transition: transform 0.3s var(--ease-spring), width 0.3s var(--ease-spring);
}

/* ---------- chips, stats, badges ---------- */

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-family: var(--font-mono);
    padding: 4px 11px;
    border-radius: 20px;
    background: var(--accent-soft);
    color: hsl(var(--accent-h) 75% 76%);
    border: 1px solid transparent;
    animation: chip-in 0.3s var(--ease-spring) both;
}

@keyframes chip-in {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.chip-toggle {
    cursor: pointer;
    border-color: var(--border);
    background: var(--bg-input);
    color: var(--text-dim);
    font: inherit;
    font-family: var(--font-mono);
    font-size: 12.5px;
    transition: all 0.18s var(--ease-out);
}

.chip-toggle:hover {
    border-color: var(--border-strong);
    color: var(--text);
}

.chip-toggle.chip-on {
    background: var(--accent-soft);
    border-color: var(--accent-border);
    color: hsl(var(--accent-h) 80% 76%);
    transform: scale(1.05);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
}

.stat-tile {
    padding: 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-input);
    text-align: center;
    transition: border-color 0.25s, transform 0.25s var(--ease-spring);
}

.stat-tile:hover {
    border-color: var(--accent-border);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent);
    line-height: 1.2;
}

.stat-label {
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-faint);
    margin-top: 4px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 650;
}

.badge-ok {
    background: rgba(63, 221, 154, 0.14);
    color: var(--ok);
}

.badge-err {
    background: rgba(255, 100, 116, 0.14);
    color: var(--err);
}

.badge-warn {
    background: rgba(255, 197, 85, 0.14);
    color: var(--warn);
}

/* ---------- status line ---------- */

.status-line {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 13.5px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-dim);
}

.status-line .status-icon .icon {
    width: 15px;
    height: 15px;
}

.status-ok {
    border-color: rgba(63, 221, 154, 0.4);
    color: var(--ok);
    background: rgba(63, 221, 154, 0.07);
}

.status-error {
    border-color: rgba(255, 100, 116, 0.45);
    color: var(--err);
    background: rgba(255, 100, 116, 0.07);
}

/* ---------- output & code ---------- */

.output-box {
    position: relative;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-input);
    white-space: pre-wrap;
    word-break: break-all;
    min-height: 44px;
    max-height: 420px;
    overflow: auto;
}

.output-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.output-row .output-box {
    flex: 1;
    min-height: 40px;
    max-height: 140px;
}

.flash-update {
    animation: flash-bg 0.55s ease-out;
}

@keyframes flash-bg {
    0% { background-color: var(--accent-soft); }
    100% { background-color: var(--bg-input); }
}

.shake-error {
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {
    20% { transform: translateX(-5px); }
    45% { transform: translateX(4px); }
    70% { transform: translateX(-3px); }
    90% { transform: translateX(2px); }
}

.pulse-ok {
    animation: pulse-ring 0.7s var(--ease-out);
}

@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(63, 221, 154, 0.5); }
    100% { box-shadow: 0 0 0 14px rgba(63, 221, 154, 0); }
}

/* ---------- tables ---------- */

.data-table-wrap {
    overflow: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    max-height: 480px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th,
.data-table td {
    padding: 8px 13px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    max-width: 380px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.data-table td {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-dim);
}

.data-table th {
    position: sticky;
    top: 0;
    background: #141927;
    color: var(--text);
    font-weight: 650;
    cursor: pointer;
    user-select: none;
    z-index: 1;
}

.data-table th:hover {
    color: var(--accent);
}

.data-table tbody tr {
    transition: background 0.15s;
}

.data-table tbody tr:hover {
    background: var(--bg-raised);
}

.kv-table {
    display: grid;
    grid-template-columns: minmax(120px, max-content) 1fr;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.kv-key,
.kv-value {
    padding: 9px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    animation: kv-in 0.3s var(--ease-out) both;
}

.kv-key {
    color: var(--text-dim);
    background: rgba(0, 0, 0, 0.18);
    font-weight: 600;
}

.kv-value {
    font-family: var(--font-mono);
    word-break: break-all;
    color: var(--text);
}

.kv-key:nth-last-child(2),
.kv-value:last-child {
    border-bottom: none;
}

@keyframes kv-in {
    from { opacity: 0; transform: translateX(-6px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ---------- dropzone ---------- */

.dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 36px 20px;
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-strong);
    background: var(--bg-input);
    color: var(--text-dim);
    cursor: pointer;
    text-align: center;
    transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease-spring);
}

.dropzone:hover {
    border-color: var(--accent-border);
    color: var(--text);
}

.dropzone.drag-over {
    border-color: var(--accent);
    background: var(--accent-soft);
    transform: scale(1.015);
    animation: dropzone-pulse 1.1s ease-in-out infinite;
}

@keyframes dropzone-pulse {
    50% { border-color: hsl(var(--accent-h) 90% 75%); }
}

.dropzone .icon {
    width: 30px;
    height: 30px;
    color: var(--accent);
}

.dropzone.drag-over .icon {
    animation: bounce-y 0.7s ease-in-out infinite;
}

@keyframes bounce-y {
    50% { transform: translateY(-6px); }
}

/* ---------- misc ---------- */

.spinner {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--accent-soft);
    border-top-color: var(--accent);
    animation: spin 0.7s linear infinite;
}

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

.divider {
    height: 1px;
    background: var(--border);
    margin: 16px 0;
    border: none;
}

.hint-text {
    font-size: 12.5px;
    color: var(--text-faint);
    line-height: 1.5;
}

.mono {
    font-family: var(--font-mono);
}

@media (max-width: 780px) {
    .pane-grid {
        grid-template-columns: 1fr;
    }

    .pane-grid-plain {
        grid-template-columns: 1fr;
    }

    .pane-middle {
        flex-direction: row;
        justify-content: center;
    }

    .pane-middle .swap-button .icon {
        transform: rotate(90deg);
    }
}