:root {
    --connect-md-teal: #1B998B;
    --connect-md-teal-bright: #00A6A6;
    --connect-md-deep: #02424B;
    --connect-md-ink: #363836;
    --connect-md-muted: #777777;
    --connect-md-line: #e3e3e3;
    --connect-md-soft: #f8f8f8;
    --connect-md-accent: #FED766;
}

.connect-md-editor {
    border: 1px solid var(--connect-md-line);
    border-radius: 5px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 6px 18px rgba(2, 66, 75, 0.05);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.connect-md-editor:focus-within {
    border-color: #FED766;
    box-shadow: 0 0 0 2px rgba(27, 153, 139, 0.08), 0 8px 22px rgba(2, 66, 75, 0.07);
}

.connect-md-editor textarea {
    border: 0 !important;
    border-radius: 0 !important;
    width: 100%;
    min-height: 12rem;
    padding: 0.85rem 1rem;
    color: var(--connect-md-ink);
    font-size: 14px;
    line-height: 1.6;
    resize: vertical;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.connect-md-editor textarea:focus {
    box-shadow: none;
    outline: 0;
}

.connect-md-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--connect-md-line);
    background: linear-gradient(180deg, #ffffff 0%, var(--connect-md-soft) 100%);
}

.connect-md-btn {
    min-height: 30px;
    border: 1px solid #d8d8d8;
    border-radius: 5px;
    background: #ffffff;
    color: var(--connect-md-ink);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.2;
    padding: 0.38rem 0.7rem;
    cursor: pointer;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, transform 0.1s ease-in-out;
}

.connect-md-btn:hover,
.connect-md-btn:focus {
    border-color: var(--connect-md-teal);
    color: var(--connect-md-deep);
    background: #f2fbfa;
    box-shadow: 0 2px 8px rgba(27, 153, 139, 0.12);
    outline: 0;
}

.connect-md-btn:active {
    transform: translateY(1px);
}

.connect-md-btn.connect-md-active {
    border-color: var(--connect-md-teal-bright);
    background: var(--connect-md-teal-bright);
    color: #ffffff;
}

.connect-md-separator {
    align-self: stretch;
    border-left: 1px solid #d8d8d8;
    margin: 0 0.15rem;
}

.connect-md-preview {
    border-top: 1px solid var(--connect-md-line);
    min-height: 12rem;
    padding: 1rem;
    overflow: auto;
    color: var(--connect-md-ink);
    font-size: 14px;
    line-height: 1.6;
    background: #ffffff;
}

.connect-md-preview h1,
.connect-md-preview h2,
.connect-md-preview h3 {
    color: var(--connect-md-deep);
    font-weight: 600;
    margin: 0 0 0.75rem;
}

.connect-md-preview p,
.connect-md-preview ul,
.connect-md-preview ol,
.connect-md-preview blockquote,
.connect-md-preview table {
    margin-bottom: 0.85rem;
}

.connect-md-preview a {
    color: var(--connect-md-teal);
    text-decoration: none;
    font-weight: 500;
}

.connect-md-preview a:hover {
    color: var(--connect-md-teal-bright);
    text-decoration: underline;
}

.connect-md-preview blockquote {
    border-left: 4px solid var(--connect-md-teal);
    color: var(--connect-md-muted);
    padding: 0.45rem 1rem;
    background: #f4fbfa;
    border-radius: 0 5px 5px 0;
}

.connect-md-preview img {
    max-width: 100%;
    border-radius: 5px;
}

.connect-md-preview table {
    width: 100%;
    margin: 0.75rem 0;
    border-collapse: collapse;
    border: 1px solid var(--connect-md-line);
    border-radius: 5px;
    overflow: hidden;
}

.connect-md-preview th,
.connect-md-preview td {
    border: 1px solid var(--connect-md-line);
    padding: 0.55rem 0.7rem;
    text-align: left;
}

.connect-md-preview th {
    background: #f4fbfa;
    color: var(--connect-md-deep);
    font-weight: 600;
}

.connect-md-preview tr:nth-child(even) td {
    background: #fbfbfb;
}

.connect-md-side-by-side {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.connect-md-side-by-side .connect-md-toolbar {
    grid-column: 1 / -1;
}

.connect-md-side-by-side textarea {
    border-right: 2px solid #edf1f1 !important;
    resize: none;
}

.connect-md-side-by-side .connect-md-preview {
    border-top: 0;
    background: #fcfdfd;
}

.connect-md-fullscreen {
    position: fixed;
    inset: 1rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    border-color: var(--connect-md-teal);
    box-shadow: 0 20px 60px rgba(2, 66, 75, 0.24);
}

.connect-md-fullscreen textarea,
.connect-md-fullscreen .connect-md-preview {
    flex: 1 1 auto;
}

.connect-md-fullscreen.connect-md-side-by-side {
    display: grid;
    grid-template-rows: auto 1fr;
}

@media (max-width: 768px) {
    .connect-md-side-by-side {
        display: block;
    }

    .connect-md-side-by-side textarea {
        border-right: 0 !important;
        border-bottom: 1px solid var(--connect-md-line) !important;
    }
}