/* Override global styles */
.container {
    max-width: 1400px !important;
    margin: 0 auto;
    padding: 2rem;
    text-align: left !important;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    text-align: left;
}

/* Back link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--link-color);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    transition: opacity 0.2s;
}

.back-link:hover {
    opacity: 0.8;
}

/* Toolbar */
.toolbar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    align-items: center;
}

.toolbar-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.toolbar-separator {
    width: 1px;
    height: 28px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 0.5rem;
}

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:hover {
    background: rgba(77, 171, 247, 0.1);
    border-color: rgba(77, 171, 247, 0.3);
    color: var(--link-color);
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--link-color) 0%, #339af0 100%);
    color: #121212;
    border: none;
    font-weight: 600;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #339af0 0%, #228be6 100%);
    color: #121212;
    box-shadow: 0 4px 15px rgba(77, 171, 247, 0.4);
}

.btn-danger-sm {
    border-color: rgba(231, 76, 60, 0.2);
}

.btn-danger-sm:hover {
    background: rgba(231, 76, 60, 0.1) !important;
    color: #e74c3c !important;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    white-space: nowrap;
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--link-color);
}

/* Stats Bar */
.stats-bar {
    display: flex;
    gap: 2rem;
    align-items: center;
    padding: 0.75rem 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--nav-submenu-bg);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.85rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-item.added {
    color: #2ecc71;
}

.stat-item.removed {
    color: #e74c3c;
}

.stat-item.modified {
    color: #f39c12;
}

.stat-item.unchanged {
    color: rgba(255, 255, 255, 0.4);
}

/* Editors */
.editors-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
    min-height: 300px;
}

.editor-panel {
    display: flex;
    flex-direction: column;
    background: var(--nav-submenu-bg);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    height: 300px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.6);
}

.panel-actions {
    display: flex;
    gap: 0.5rem;
}

.panel-btn {
    padding: 0.35rem 0.7rem;
    border-radius: 5px;
    border: none;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.panel-btn:hover {
    background: rgba(77, 171, 247, 0.15);
    color: var(--link-color);
}

.editor-textarea {
    flex: 1;
    width: 100%;
    padding: 1.25rem;
    border: none;
    background: transparent;
    color: var(--text-color);
    font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    resize: none;
    outline: none;
    tab-size: 2;
    text-align: left;
}

.editor-textarea::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

/* Diff Output */
.diff-output {
    background: var(--nav-submenu-bg);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.diff-content {
    padding: 1rem;
    max-height: 600px;
    overflow-y: auto;
    font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
}

/* Diff Lines */
.diff-line {
    display: flex;
    border-radius: 4px;
    margin-bottom: 1px;
    padding: 2px 0;
}

.diff-line-number {
    min-width: 40px;
    padding: 0 8px;
    text-align: right;
    color: rgba(255, 255, 255, 0.3);
    user-select: none;
    font-size: 0.8rem;
}

.diff-line-marker {
    min-width: 20px;
    text-align: center;
    font-weight: 700;
    user-select: none;
}

.diff-line-text {
    flex: 1;
    padding: 0 8px;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Diff line types */
.diff-line.added {
    background: rgba(46, 204, 113, 0.1);
}

.diff-line.added .diff-line-marker {
    color: #2ecc71;
}

.diff-line.added .diff-line-text {
    color: #a3e4bc;
}

.diff-line.removed {
    background: rgba(231, 76, 60, 0.1);
}

.diff-line.removed .diff-line-marker {
    color: #e74c3c;
}

.diff-line.removed .diff-line-text {
    color: #f5a8a1;
}

.diff-line.unchanged {
    background: transparent;
}

.diff-line.unchanged .diff-line-marker {
    color: rgba(255, 255, 255, 0.2);
}

.diff-line.unchanged .diff-line-text {
    color: rgba(255, 255, 255, 0.5);
}

/* Diff separator */
.diff-separator {
    padding: 4px 12px;
    color: rgba(77, 171, 247, 0.7);
    font-size: 0.8rem;
    background: rgba(77, 171, 247, 0.05);
    border-radius: 4px;
    margin: 8px 0;
}

/* Inline word diff highlights */
.diff-line-text .word-added {
    background: rgba(46, 204, 113, 0.3);
    border-radius: 2px;
    padding: 0 2px;
}

.diff-line-text .word-removed {
    background: rgba(231, 76, 60, 0.3);
    border-radius: 2px;
    padding: 0 2px;
}

/* Current diff highlight */
.diff-line.current-diff {
    outline: 1px solid var(--link-color);
    outline-offset: -1px;
}

/* Identical message */
.diff-identical {
    text-align: center;
    padding: 3rem;
    color: #2ecc71;
    font-size: 1.1rem;
}

.diff-identical i {
    font-size: 2rem;
    display: block;
    margin-bottom: 1rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 0.85rem 1.5rem;
    background: var(--nav-submenu-bg);
    border: 1px solid rgba(77, 171, 247, 0.3);
    border-radius: 10px;
    color: var(--link-color);
    font-size: 0.9rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Mobile */
@media (max-width: 900px) {
    .container {
        padding: 1rem;
    }

    .editors-wrapper {
        grid-template-columns: 1fr;
    }

    .toolbar-group {
        gap: 0.35rem;
    }

    .btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }

    .stats-bar {
        flex-wrap: wrap;
        gap: 1rem;
    }
}