* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

body {
    background: #f8f9fa !important;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    padding: 80px 1.5rem 2rem;
    margin: 0;
}
.navbar {
    height: 80px !important;
}
.container-main {
    max-width: 1400px;
    width: 100%;
    background: #ffffff;
    border-radius: 2rem;
    padding: 2rem;
    box-shadow: 0 5px 15px 2px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.05);
	margin-top: 20px;
}

@media (max-width: 1079px) {
    .container-main {
        margin-top: 20px !important;
    }
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    background-clip: text;
    color: #333;
    text-align: center;
}

h1 i {
    color: #0D6EFD;
}

.badge-version {
    font-size: 0.8rem;
    background: #eef3fc;
    padding: 2px 16px;
    border-radius: 40px;
    color: #0D6EFD;
    font-weight: 400;
}

.subhead {
    color: #475569;
    font-size: 0.95rem;
    border-left: 4px solid #0D6EFD;
    padding-left: 16px;
    margin: 0 0 22px 0;
    line-height: 1.5;
    background: #f0f7ff;
    border-radius: 0 14px 14px 0;
    padding: 10px 18px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
}

.subhead .badge-rule {
    background: #e8eeff;
    padding: 2px 14px;
    border-radius: 40px;
    font-size: 0.75rem;
    color: #0D6EFD;
}

.subhead .badge-rule i {
    margin-right: 4px;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 4px;
}

@media (max-width: 820px) {
    .main-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

.panel {
    background: #fafcff;
    border-radius: 22px;
    border: 1px solid #e9edf4;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9edf4;
    font-weight: 500;
    color: #0b1a33;
    flex-wrap: wrap;
    gap: 8px;
}

.panel-header .actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn {
    background: white;
    border: 1px solid #dce2ec;
    padding: 6px 18px;
    border-radius: 40px;
    font-weight: 500;
    font-size: 0.8rem;
    color: #475569;
    cursor: pointer;
    transition: 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.btn i {
    font-size: 0.75rem;
}

.btn-primary {
    background: #0D6EFD;
    border: 1px solid #0D6EFD;
    color: white;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

.btn-primary:hover {
    background: #0b5ed7;
    border-color: #0b5ed7;
}

.btn-outline {
    background: transparent;
    border: 1px solid #dce2ec;
}

.btn-outline:hover {
    background: #f0f4ff;
    border-color: #0D6EFD;
    color: #0D6EFD;
}

.btn-success {
    background: #10b981;
    border: 1px solid #10b981;
    color: white;
}

.btn-success:hover {
    background: #059669;
}

.btn-ghost {
    background: transparent;
    border: 1px solid transparent;
    color: #475569;
}

.btn-ghost:hover {
    background: #f0f4ff;
    border-color: #0D6EFD;
    color: #0D6EFD;
}

.textarea-wrap {
    flex: 1;
    padding: 16px 20px 20px;
    background: white;
}

.textarea-wrap textarea {
    width: 100%;
    height: 380px;
    border: 1px solid #dce2ec;
    border-radius: 16px;
    padding: 16px 18px;
    font-family: 'SF Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    resize: vertical;
    background: #ffffff;
    color: #0b1a33;
    transition: border 0.15s;
    outline: none;
}

.textarea-wrap textarea:focus {
    border-color: #0D6EFD;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.08);
}

.options-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px 28px;
    padding: 14px 20px;
    background: #f8f9fa;
    border-top: 1px solid #e9edf4;
    border-bottom: 1px solid #e9edf4;
    margin: 15px 0 0 0;
}

.options-bar label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #475569;
    cursor: pointer;
    user-select: none;
}

.options-bar label i {
    color: #0D6EFD;
    font-size: 0.85rem;
}

.options-bar input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #0D6EFD;
    cursor: pointer;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    padding: 12px 20px 16px;
    background: white;
    border-top: 1px solid #e9edf4;
}

.stats-mini {
    margin-left: auto;
    font-size: 0.8rem;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.stats-mini span {
    background: #f1f4f9;
    padding: 2px 16px;
    border-radius: 30px;
    border: 1px solid #e2e8f0;
}

.stats-mini i {
    margin-right: 4px;
    color: #0D6EFD;
}

.footer-note {
    margin-top: 22px;
    font-size: 0.8rem;
    color: #94a3b8;
    border-top: 1px solid #e9edf4;
    padding-top: 18px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
}

.footer-note i {
    margin-right: 4px;
    color: #0D6EFD;
}