/* Regex Tester — regex-tester.css */
.regex-section {
    --tool-accent: #6366F1;
    --tool-accent-rgb: 99, 102, 241;
}

/* Pattern input block */
.rx-pattern-block {
    margin-bottom: 20px;
    padding: 20px 20px 0;
}

.rx-pattern-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.rx-pattern-wrap {
    display: flex;
    align-items: center;
    gap: 0;
    background: #F8FAFC;
    border: 1.5px solid rgba(100, 116, 139, 0.2);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.15s;
}

.rx-pattern-wrap:focus-within {
    border-color: var(--tool-accent);
    box-shadow: 0 0 0 3px rgba(var(--tool-accent-rgb), 0.12);
}

.rx-delimiter {
    padding: 12px 12px;
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--tool-accent);
    background: rgba(var(--tool-accent-rgb), 0.06);
    user-select: none;
}

.rx-pattern-input {
    flex: 1;
    padding: 12px 8px;
    border: none;
    background: transparent;
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.9375rem;
    color: #0F172A;
    outline: none;
    min-width: 0;
}

.rx-pattern-input::placeholder {
    color: #CBD5E1;
}

/* Flag buttons */
.rx-flags {
    display: flex;
    gap: 2px;
    padding: 6px 10px;
    border-left: 1px solid rgba(100, 116, 139, 0.15);
}

.rx-flag-btn {
    all: unset;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #94A3B8;
    cursor: pointer;
    transition: all 0.15s ease;
}

.rx-flag-btn:hover {
    background: rgba(var(--tool-accent-rgb), 0.1);
    color: var(--tool-accent);
}

.rx-flag-btn[aria-pressed="true"] {
    background: rgba(var(--tool-accent-rgb), 0.12);
    color: var(--tool-accent);
}

/* Pattern error/info status */
.rx-pattern-status {
    margin-top: 6px;
    font-size: 0.9375rem;
    padding: 4px 8px;
    border-radius: 6px;
    color: #DC2626;
    background: #FEF2F2;
}

/* Highlighted output */
.rx-highlighted {
    flex: 1;
    min-height: 200px;
    padding: 14px 16px;
    background: #F8FAFC;
    border: 1.5px solid rgba(100, 116, 139, 0.15);
    border-radius: 10px;
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.9375rem;
    line-height: 1.7;
    word-break: break-all;
    white-space: pre-wrap;
    overflow-y: auto;
    color: #334155;
}

.rx-highlighted mark {
    background: rgba(var(--tool-accent-rgb), 0.25);
    color: #0F172A;
    border-radius: 2px;
    outline: 1.5px solid rgba(var(--tool-accent-rgb), 0.5);
    padding: 1px 0;
}

/* Test wrap min height */
.rx-test-textarea {
    min-height: 200px;
}

/* Match list */
.rx-match-list-wrap {
    margin-top: 16px;
    border: 1.5px solid rgba(100, 116, 139, 0.15);
    border-radius: 10px;
    overflow: hidden;
}

.rx-match-list-header {
    background: #F8FAFC;
    padding: 10px 16px;
    border-bottom: 1px solid rgba(100, 116, 139, 0.12);
}

.rx-match-list-title {
    font-size: 0.9375rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748B;
}

.rx-match-list {
    max-height: 280px;
    overflow-y: auto;
}

.rx-match-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 16px;
    border-bottom: 1px solid rgba(100, 116, 139, 0.08);
    font-size: 0.9375rem;
}

.rx-match-item:last-child {
    border-bottom: none;
}

.rx-match-index {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(var(--tool-accent-rgb), 0.12);
    color: var(--tool-accent);
    font-size: 0.9375rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rx-match-details {
    flex: 1;
    min-width: 0;
}

.rx-match-value {
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.9375rem;
    color: #0F172A;
    background: rgba(var(--tool-accent-rgb), 0.08);
    padding: 2px 6px;
    border-radius: 4px;
    word-break: break-all;
}

.rx-match-meta {
    margin-top: 3px;
    font-size: 0.9375rem;
    color: #94A3B8;
}

.rx-match-groups {
    margin-top: 4px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.rx-group-tag {
    font-size: 0.8125rem;
    padding: 1px 6px;
    background: #EDE9FE;
    color: #6D28D9;
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, monospace;
}