* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f4f5f7;
    color: #172b4d;
    margin: 0;
    padding: 0 16px 40px;
}

header {
    padding: 24px 0 8px;
}

header h1 {
    font-size: 24px;
    margin: 0;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #5e6c84;
}

.logout-btn {
    background: #f4f5f7;
    border: 1px solid #dfe1e6;
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
    color: #172b4d;
}

.logout-btn:hover {
    background: #ebecf0;
}

.login-box {
    max-width: 360px;
    margin: 40px auto;
}

.login-box form {
    flex-direction: column;
}

.login-box input {
    width: 100%;
}

.login-inline-form {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.login-inline-form input {
    padding: 6px 10px;
    border: 1px solid #dfe1e6;
    border-radius: 4px;
    font-size: 13px;
}

.login-inline-form button {
    background: #0052cc;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 6px 14px;
    font-size: 13px;
    cursor: pointer;
}

.login-inline-form .error {
    position: absolute;
    top: -20px;
    left: 0;
    margin: 0;
    white-space: nowrap;
}

.section-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #5e6c84;
    margin: 8px 0 16px;
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.error {
    color: #de350b;
    font-size: 13px;
    margin: 0 0 8px;
}

.public-task {
    max-width: 480px;
    margin: 0 auto;
}

.comments {
    margin-top: 24px;
}

.comments h2 {
    font-size: 16px;
    margin-bottom: 8px;
}

.comment-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.comment {
    background: #fff;
    border-radius: 6px;
    padding: 8px 12px;
    box-shadow: 0 1px 2px rgba(9, 30, 66, 0.15);
    font-size: 14px;
}

.comment-empty {
    color: #5e6c84;
    font-size: 13px;
}

.comment-form, .comment-edit-form {
    display: flex;
    gap: 6px;
}

.comment-form input, .comment-edit-form input {
    flex: 1;
    padding: 6px 8px;
    border: 1px solid #dfe1e6;
    border-radius: 4px;
    font-size: 13px;
}

.comment-form button, .comment-edit-form button {
    background: #0052cc;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 6px 14px;
    font-size: 13px;
    cursor: pointer;
}

.add-task {
    background: #fff;
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 1px 2px rgba(9, 30, 66, 0.15);
    margin-bottom: 24px;
}

.add-task form {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.add-task input[type="text"] {
    flex: 1 1 200px;
    padding: 8px 10px;
    border: 1px solid #dfe1e6;
    border-radius: 4px;
    font-size: 14px;
}

.add-task select {
    padding: 8px 10px;
    border: 1px solid #dfe1e6;
    border-radius: 4px;
    font-size: 14px;
}

.add-task button {
    background: #0052cc;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 8px 18px;
    font-size: 14px;
    cursor: pointer;
}

.add-task button:hover {
    background: #0747a6;
}

.board {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    overflow-x: auto;
}

.column {
    background: #ebecf0;
    border-radius: 8px;
    padding: 12px;
    width: 320px;
    flex: 0 0 320px;
}

.column h2 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #5e6c84;
    margin: 4px 8px 12px;
}

.count {
    background: #dfe1e6;
    border-radius: 10px;
    padding: 1px 8px;
    font-size: 12px;
    margin-left: 4px;
}

.cards {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 40px;
}

.card {
    background: #fff;
    border-radius: 6px;
    padding: 10px 12px;
    box-shadow: 0 1px 2px rgba(9, 30, 66, 0.2);
    border-left: 4px solid #dfe1e6;
}

.card.priority-high { border-left-color: #de350b; }
.card.priority-medium { border-left-color: #ffab00; }
.card.priority-low { border-left-color: #36b37e; }

.card-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.card-desc {
    font-size: 13px;
    color: #5e6c84;
    margin-bottom: 8px;
    white-space: pre-wrap;
}

.card-meta {
    margin-bottom: 8px;
}

.badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    color: #fff;
}

.badge-high { background: #de350b; }
.badge-medium { background: #ffab00; color: #172b4d; }
.badge-low { background: #36b37e; }
.badge-public { background: #0052cc; }

.public-link {
    font-size: 12px;
    margin-bottom: 8px;
    word-break: break-all;
}

.public-link a {
    color: #0052cc;
}

.public-btn {
    background: #f4f5f7;
    border: 1px solid #dfe1e6;
    border-radius: 3px;
    font-size: 11px;
    padding: 4px 6px;
    cursor: pointer;
    color: #0052cc;
}

.public-btn:hover {
    background: #ebecf0;
}

.card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.card-actions form {
    display: inline-flex;
    gap: 4px;
    flex-wrap: wrap;
}

.move-btn {
    background: #f4f5f7;
    border: 1px solid #dfe1e6;
    border-radius: 3px;
    font-size: 11px;
    padding: 4px 6px;
    cursor: pointer;
    color: #172b4d;
}

.move-btn:hover {
    background: #ebecf0;
}

.delete-btn {
    background: transparent;
    border: none;
    color: #de350b;
    font-size: 11px;
    cursor: pointer;
    padding: 4px 6px;
}

.delete-btn:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .column {
        width: 85vw;
        flex: 0 0 85vw;
    }
}