.dev-board {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 20px;
    align-items: start;
}

.dev-column {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 16px;
    min-width: 0;
}

.dev-column-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
}

.dev-column-head strong {
    font-size: 14px;
}

.dev-column-count {
    font-size: 12px;
    font-weight: 800;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 2px 9px;
    border-radius: 999px;
}

.dev-column-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 40px;
}

.dev-card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px;
    min-width: 0;
}

.dev-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.dev-card-edit-btn {
    border: none;
    background: none;
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    padding: 0;
}

.dev-card-title {
    display: block;
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 6px;
    overflow-wrap: anywhere;
}

.dev-card-desc {
    font-size: 13px;
    color: var(--text);
    line-height: 1.6;
    margin: 0 0 10px;
    overflow-wrap: anywhere;
}

.dev-card-meta {
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 10px;
}

.dev-card-meta strong {
    color: var(--text);
}

.dev-card-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.dev-card-actions form {
    margin: 0;
}

.dev-card-actions .btn {
    height: 30px;
    padding: 0 10px;
    font-size: 12px;
    border-radius: 8px;
}

@media (max-width: 900px) {
    .dev-board {
        grid-template-columns: 1fr;
    }
}

.dev-log-list {
    margin-top: 24px;
    max-width: 720px;
    position: relative;
    padding-left: 22px;
}

.dev-log-list::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--line);
}

.dev-log-date {
    position: relative;
    font-size: 13px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: .01em;
    margin: 30px 0 12px;
}

.dev-log-date:first-of-type {
    margin-top: 0;
}

.dev-log-date::before {
    content: "";
    position: absolute;
    left: -22px;
    top: 3px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.dev-log-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dev-log-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-left: 3px solid var(--muted);
    border-radius: 10px;
    padding: 13px 16px;
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.dev-log-item:hover {
    box-shadow: 0 4px 14px rgba(20, 30, 60, .07);
    transform: translateX(1px);
}

.dev-log-item-feature { border-left-color: #198754; }
.dev-log-item-bugfix { border-left-color: #d92d20; }
.dev-log-item-error_fix { border-left-color: #b77900; }
.dev-log-item-ui_ux { border-left-color: #2f5f8a; }
.dev-log-item-other { border-left-color: #686b70; }

.dev-log-item-top {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.dev-log-item-top .order-status {
    min-width: 0;
    padding: 4px 10px;
    font-size: 11px;
}

.dev-log-item-title {
    font-size: 14.5px;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.dev-log-item-desc {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.65;
    margin: 0 0 8px;
    overflow-wrap: anywhere;
    white-space: pre-line;
}

.dev-log-item-meta {
    font-size: 11px;
    color: var(--muted);
}

@media (max-width: 640px) {
    .dev-log-list {
        padding-left: 18px;
    }

    .dev-log-date::before {
        left: -18px;
    }
}