/* Regex Tester Styles */

.regex-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

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

.regex-header h1 {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.regex-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Pattern Section */
.pattern-section {
    margin-bottom: 1.5rem;
}

.pattern-section label {
    display: block;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.pattern-input-row {
    display: flex;
    align-items: center;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.pattern-delim {
    padding: 0 0.75rem;
    color: var(--primary);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 1.25rem;
}

.pattern-input-row input {
    border: none;
    background: transparent;
    padding: 1rem 0;
    color: var(--text-light);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 1rem;
    outline: none;
}

.pattern-input-row input:first-of-type {
    flex: 1;
    min-width: 0;
}

.pattern-input-row input:last-of-type {
    width: 60px;
    text-align: center;
    border-left: 1px solid var(--border-color);
    padding: 1rem 0.5rem;
}

.error-message {
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 6px;
    color: var(--error);
    font-size: 0.9rem;
    display: none;
}

.error-message.show {
    display: block;
}

/* Flags Section */
.flags-section {
    margin-bottom: 1.5rem;
}

.flags-section label {
    display: block;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.flags-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.flag-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.flag-option:hover {
    border-color: var(--primary);
}

.flag-option input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.flag-option .flag-name {
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--primary);
    font-weight: 600;
}

.flag-option .flag-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Test Section */
.test-section {
    margin-bottom: 1.5rem;
    position: relative;
}

.test-section label {
    display: block;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.test-section textarea {
    width: 100%;
    padding: 1rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: transparent;
    caret-color: var(--text-light);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    resize: vertical;
    position: relative;
    z-index: 2;
    box-sizing: border-box;
}

.test-section textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.highlighted-output {
    position: absolute;
    top: 33px;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 1rem;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    pointer-events: none;
    z-index: 1;
    color: var(--text-light);
    overflow: hidden;
    border: 1px solid transparent;
    border-radius: 12px;
}

.highlighted-output .match {
    background: rgba(88, 101, 242, 0.3);
    border-radius: 2px;
    padding: 0 2px;
    margin: 0 -2px;
}

/* Results Section */
.results-section {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.results-header h2 {
    color: var(--text-light);
    font-size: 1.1rem;
    margin: 0;
}

.match-count {
    color: var(--primary);
    font-weight: 500;
}

.matches-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.match-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--dark-bg);
    border-radius: 8px;
}

.match-index {
    color: var(--text-muted);
    font-size: 0.85rem;
    min-width: 30px;
}

.match-value {
    flex: 1;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--primary);
    word-break: break-all;
}

.match-groups {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.match-group {
    padding: 0.25rem 0.5rem;
    background: rgba(88, 101, 242, 0.1);
    border-radius: 4px;
    font-size: 0.85rem;
}

.match-group .group-name {
    color: var(--text-muted);
}

.match-group .group-value {
    color: var(--secondary);
}

.match-position {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Quick Reference */
.quick-reference {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
}

.quick-reference h2 {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.ref-category h3 {
    color: var(--primary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.ref-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.375rem 0;
}

.ref-item code {
    background: var(--dark-bg);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--secondary);
    min-width: 50px;
    text-align: center;
}

.ref-item span {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .regex-container {
        padding: 1rem;
    }

    .regex-header h1 {
        font-size: 2rem;
    }

    .pattern-input-row {
        flex-wrap: wrap;
    }

    .pattern-input-row input:first-of-type {
        width: calc(100% - 120px);
    }

    .flags-options {
        gap: 0.5rem;
    }

    .flag-option {
        padding: 0.375rem 0.5rem;
    }

    .flag-option .flag-desc {
        display: none;
    }

    .reference-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .match-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .match-index {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .regex-header h1 {
        font-size: 1.75rem;
    }

    .reference-grid {
        grid-template-columns: 1fr;
    }
}