.regex-tester {
    padding-top: 60px;
    min-height: calc(100vh - 120px);
    display: flex;
    flex-direction: column;
}

body.maximized .regex-tester {
    padding-top: 0;
    height: 100vh;
    min-height: 100vh;
    overflow: hidden;
}

.editor-wrapper {
    margin: 0 auto;
    width: min(96%, 1400px);
    flex: 1;
    display: flex;
    flex-direction: column;
    padding-bottom: 20px;
}

.toolbar {
    padding: 16px 20px;
    background: var(--card-bg, #fff);
    border: 3px solid #111;
    border-radius: 18px;
    box-shadow: 8px 8px 0 #111;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    position: sticky;
    top: 10px;
    z-index: 100;
}

.toolbar-title h1 {
    margin: 0;
    font-size: 1.7rem;
    line-height: 1.2;
}

.toolbar-title p {
    margin: 6px 0 0;
    color: var(--text-secondary-light);
    font-size: 0.96rem;
}

body.dark-mode .toolbar {
    background: #1f2430;
    border-color: #fff;
    box-shadow: 8px 8px 0 rgba(255, 255, 255, 0.18);
}

body.dark-mode .toolbar-title p {
    color: var(--text-secondary-dark);
}

.buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.buttons button,
.replace-actions button {
    border: 3px solid #111;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
    white-space: nowrap;
}

.buttons button {
    padding: 10px 14px;
    background: #fff;
    color: #111;
    box-shadow: 4px 4px 0 #111;
}

.buttons button:hover,
.replace-actions button:hover,
.template-btn:hover,
.flag-item:hover {
    transform: translate(-1px, -1px);
    box-shadow: 6px 6px 0 #111;
}

body.dark-mode .buttons button {
    background: #f4f4f4;
    color: #111;
}

.regex-container {
    padding: 20px 0 10px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.panel {
    background: var(--card-bg, #fff);
    border: 3px solid #111;
    border-radius: 18px;
    box-shadow: 8px 8px 0 #111;
    padding: 18px;
}

body.dark-mode .panel {
    background: #1f2430;
    border-color: #fff;
    box-shadow: 8px 8px 0 rgba(255, 255, 255, 0.18);
}

.input-group {
    margin-bottom: 0;
}

.input-group label,
.templates-section > label,
.test-input-area label,
.result-area label,
.replace-result-header label,
.match-details-section > label {
    display: block;
    margin-bottom: 10px;
    font-weight: 800;
    color: var(--text-light, #111);
}

body.dark-mode .input-group label,
body.dark-mode .templates-section > label,
body.dark-mode .test-input-area label,
body.dark-mode .result-area label,
body.dark-mode .replace-result-header label,
body.dark-mode .match-details-section > label {
    color: var(--text-dark, #fff);
}

.regex-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0;
    background: #fff;
    border: 3px solid #111;
    border-radius: 14px;
    overflow: hidden;
    font-family: "Consolas", "Monaco", monospace;
    font-size: 16px;
    box-shadow: 4px 4px 0 #111;
}

body.dark-mode .regex-input-wrapper {
    background: #0f131d;
    border-color: #fff;
    box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.16);
}

.regex-delimiter {
    color: #111;
    font-weight: 900;
    padding: 0 10px;
    user-select: none;
}

body.dark-mode .regex-delimiter {
    color: #fff;
}

#regex-input,
#regex-flags,
#replace-input {
    border: none;
    outline: none;
    background: transparent;
    padding: 12px 10px;
    font: inherit;
    color: inherit;
    min-width: 0;
}

#regex-input {
    flex: 1;
    color: #d9480f;
}

#regex-flags {
    width: 88px;
    text-align: center;
    color: #1f7a3f;
    border-left: 3px solid #111;
}

body.dark-mode #regex-input {
    color: #ff8a65;
}

body.dark-mode #regex-flags {
    color: #7ee0a7;
    border-left-color: #fff;
}

.flags-hint {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.flag-item {
    padding: 6px 11px;
    border: 2px solid #111;
    border-radius: 999px;
    background: #fff;
    font-family: monospace;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 3px 3px 0 #111;
}

.flag-item.active {
    background: #ffdf6b;
}

body.dark-mode .flag-item {
    background: #2a3140;
    color: #fff;
    border-color: #fff;
    box-shadow: 3px 3px 0 rgba(255, 255, 255, 0.16);
}

body.dark-mode .flag-item.active {
    background: #7dd3fc;
    color: #111;
}

.templates-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.template-btn {
    padding: 9px 12px;
    border: 2px solid #111;
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
    font-size: 0.92rem;
    font-weight: 700;
    box-shadow: 4px 4px 0 #111;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

body.dark-mode .template-btn {
    background: #2a3140;
    color: #fff;
    border-color: #fff;
    box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.16);
}

.replace-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#replace-input {
    width: 100%;
    background: #fff;
    border: 3px solid #111;
    border-radius: 14px;
    box-shadow: 4px 4px 0 #111;
}

body.dark-mode #replace-input {
    background: #0f131d;
    border-color: #fff;
    color: #fff;
    box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.16);
}

.replace-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.replace-actions button {
    padding: 10px 14px;
}

.primary-btn {
    background: #ffdf6b;
    color: #111;
}

.secondary-btn {
    background: #d9f99d;
    color: #111;
}

.replace-hint {
    font-size: 0.9rem;
    color: var(--text-secondary-light);
}

body.dark-mode .replace-hint {
    color: var(--text-secondary-dark);
}

.test-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.test-input-area,
.result-area {
    display: flex;
    flex-direction: column;
}

#test-input,
.output-box {
    min-height: 280px;
    border: 3px solid #111;
    border-radius: 14px;
    background: #fff;
    box-shadow: 4px 4px 0 #111;
    box-sizing: border-box;
}

body.dark-mode #test-input,
body.dark-mode .output-box {
    background: #0f131d;
    border-color: #fff;
    color: #fff;
    box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.16);
}

#test-input {
    width: 100%;
    padding: 14px;
    resize: vertical;
    font-family: "Consolas", "Monaco", monospace;
    font-size: 14px;
    line-height: 1.7;
}

.output-box {
    padding: 14px;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: "Consolas", "Monaco", monospace;
    font-size: 14px;
    line-height: 1.7;
}

#result-output {
    display: block;
}

.replace-result-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.replace-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

#replace-count,
#match-count {
    font-weight: 700;
    color: #1f7a3f;
    font-size: 0.92rem;
}

.replace-output {
    min-height: 180px;
}

.match-highlight {
    display: inline;
    background: #ffdf6b;
    color: #111;
    padding: 0 3px;
    border-radius: 4px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

body.dark-mode .match-highlight {
    background: #7dd3fc;
    color: #111;
}

.match-details-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#match-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.match-item {
    background: #fff;
    border: 3px solid #111;
    border-radius: 14px;
    padding: 14px;
    box-shadow: 4px 4px 0 #111;
}

body.dark-mode .match-item {
    background: #0f131d;
    border-color: #fff;
    box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.16);
}

.match-item-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 8px;
    color: #555;
    font-size: 0.88rem;
    font-weight: 700;
}

body.dark-mode .match-item-header {
    color: #cbd5e1;
}

.match-item-value {
    color: #d9480f;
    font-family: "Consolas", "Monaco", monospace;
    word-break: break-word;
}

body.dark-mode .match-item-value {
    color: #ff8a65;
}

.match-groups {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 2px dashed #111;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

body.dark-mode .match-groups {
    border-top-color: #fff;
}

.group-item {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    font-size: 0.92rem;
}

.group-label {
    font-weight: 700;
    color: #555;
    min-width: 72px;
    flex-shrink: 0;
}

.group-value {
    color: #1f7a3f;
    word-break: break-word;
}

body.dark-mode .group-label {
    color: #cbd5e1;
}

body.dark-mode .group-value {
    color: #7ee0a7;
}

.no-match,
.regex-error {
    padding: 18px;
    border-radius: 12px;
    border: 2px solid #111;
    text-align: center;
    font-weight: 700;
}

.no-match {
    background: #f8f9fa;
    color: #666;
}

.regex-error {
    background: #ffe8e8;
    color: #9f1239;
}

body.dark-mode .no-match {
    background: #151924;
    color: #cbd5e1;
    border-color: #fff;
}

body.dark-mode .regex-error {
    background: #3a1720;
    color: #ffb4c0;
    border-color: #fff;
}

body.maximized {
    overflow: hidden;
}

body.maximized .editor-wrapper {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
}

body.maximized .toolbar {
    top: 0;
    border-radius: 0;
}

@media (max-width: 900px) {
    .toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .buttons {
        width: 100%;
        justify-content: flex-start;
    }

    .test-section {
        grid-template-columns: 1fr;
    }

    #test-input,
    .output-box {
        min-height: 220px;
    }
}

@media (max-width: 600px) {
    .regex-tester {
        padding-top: 52px;
    }

    .editor-wrapper {
        width: 95%;
    }

    .toolbar {
        padding: 14px;
        top: 6px;
    }

    .toolbar-title h1 {
        font-size: 1.4rem;
    }

    .buttons button,
    .replace-actions button {
        width: 100%;
        justify-content: center;
    }

    .buttons,
    .replace-actions {
        width: 100%;
    }

    .regex-input-wrapper {
        flex-wrap: wrap;
    }

    #regex-flags {
        width: 100%;
        border-left: 0;
        border-top: 3px solid #111;
    }

    body.dark-mode #regex-flags {
        border-top-color: #fff;
    }
}