/* ============================================
   Regex Tester – DozeGear
   Modern, developer-friendly UI
   Mobile-first responsive design
============================================ */

:root {
    --dg-primary: #4361ee;
    --dg-primary-dark: #3a56d4;
    --dg-danger: #ef476f;
    --dg-danger-dark: #e03e63;
    --dg-success: #06d6a0;
    --dg-warning: #ffd166;
    --dg-dark: #2b2d42;
    --dg-light: #f8f9fa;
    --dg-gray: #adb5bd;
    --dg-border: #dee2e6;
    --dg-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    --dg-radius: 12px;
    --dg-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.dg-regex-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--dg-dark);
    line-height: 1.6;
}

.dg-regex-card {
    background: white;
    border-radius: var(--dg-radius);
    box-shadow: var(--dg-shadow);
    overflow: hidden;
    transition: var(--dg-transition);
}

.dg-regex-header {
    background: linear-gradient(135deg, var(--dg-primary), #5a4fcf);
    color: white;
    padding: 2rem;
    text-align: center;
}

.dg-regex-title {
    margin: 0 0 0.5rem;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.dg-regex-subtitle {
    margin: 0;
    opacity: 0.9;
    font-size: 1.1rem;
    font-weight: 400;
}

.dg-regex-controls,
.dg-regex-results {
    padding: 2rem;
}

@media (max-width: 768px) {
    .dg-regex-controls,
    .dg-regex-results {
        padding: 1.5rem;
    }
}

.dg-regex-input-group {
    margin-bottom: 1.5rem;
}

.dg-regex-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dg-dark);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dg-regex-input,
.dg-regex-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--dg-border);
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.95rem;
    transition: var(--dg-transition);
    background: var(--dg-light);
    color: var(--dg-dark);
}

.dg-regex-input:focus,
.dg-regex-textarea:focus {
    outline: none;
    border-color: var(--dg-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
    background: white;
}

.dg-regex-pattern-wrapper {
    position: relative;
}

.dg-regex-pattern-wrapper::before {
    content: '/';
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dg-gray);
    font-family: monospace;
    font-weight: bold;
    pointer-events: none;
}

.dg-regex-pattern {
    padding-left: 2rem !important;
}

.dg-regex-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.5;
}

.dg-regex-flags-group {
    margin-bottom: 1.5rem;
}

.dg-regex-flags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    background: var(--dg-light);
    padding: 1rem;
    border-radius: 8px;
    border: 2px solid var(--dg-border);
}

.dg-regex-flag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    padding: 0.5rem 1rem;
    background: white;
    border-radius: 6px;
    border: 1px solid var(--dg-border);
    transition: var(--dg-transition);
}

.dg-regex-flag:hover {
    border-color: var(--dg-primary);
    transform: translateY(-1px);
}

.dg-regex-flag input[type="checkbox"] {
    width: 1.2em;
    height: 1.2em;
    cursor: pointer;
}

.dg-regex-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.dg-regex-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--dg-transition);
    flex: 1;
    min-height: 3.5rem;
}

.dg-regex-btn-primary {
    background: var(--dg-primary);
    color: white;
}

.dg-regex-btn-primary:hover {
    background: var(--dg-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.3);
}

.dg-regex-btn-danger {
    background: var(--dg-danger);
    color: white;
}

.dg-regex-btn-danger:hover {
    background: var(--dg-danger-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 71, 111, 0.3);
}

.dg-btn-icon {
    font-size: 1.2rem;
    line-height: 1;
}

.dg-regex-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--dg-border);
}

.dg-regex-results-title {
    margin: 0;
    font-size: 1.5rem;
    color: var(--dg-dark);
}

.dg-regex-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.dg-regex-stat {
    background: var(--dg-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.dg-regex-status {
    padding: 0.5rem 1rem;
    background: var(--dg-light);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.dg-regex-alert {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: #fff3cd;
    border-left: 4px solid var(--dg-warning);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.dg-regex-highlighted {
    background: var(--dg-light);
    border: 2px solid var(--dg-border);
    border-radius: 8px;
    padding: 1.5rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    min-height: 120px;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-x: auto;
}

.dg-regex-match-highlight {
    background-color: rgba(67, 97, 238, 0.2);
    padding: 0.1rem 0.25rem;
    border-radius: 3px;
    border: 1px solid rgba(67, 97, 238, 0.4);
    margin: 0 1px;
    word-break: break-all; /* ✅ FIX ADDED */
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .dg-regex-title { font-size: 2rem; }
    .dg-regex-subtitle { font-size: 1rem; }
    .dg-regex-actions { flex-direction: column; }
}