[x-cloak] { display: none !important; }

.zen-board {
    --zen-primary: #5d8a66;
    --zen-primary-light: #7aa883;
    --zen-text: #3a3a3a;
    --zen-text-light: #666;
    --zen-bg: #faf9f7;
    --zen-card: #fff;
    --zen-border: #e8e6e3;
    --zen-shadow: 0 1px 3px rgba(0,0,0,0.06);
    --zen-shadow-hover: 0 2px 8px rgba(0,0,0,0.08);
    --zen-radius: 8px;
    --vh: 1vh;
    
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--zen-text);
    background: var(--zen-bg);
    max-width: 720px;
    margin: 0 auto;
    padding: 20px;
    padding-left: env(safe-area-inset-left, 20px);
    padding-right: env(safe-area-inset-right, 20px);
    padding-bottom: env(safe-area-inset-bottom, 20px);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

.zen-board *,
.zen-board *::before,
.zen-board *::after { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    -webkit-tap-highlight-color: transparent;
}

.zen-header {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--zen-border);
}

.zen-stats {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    margin: -12px 0 0 -24px;
}

.zen-stats > * {
    margin: 12px 0 0 24px;
}

.zen-stat-item {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: baseline;
    -webkit-align-items: baseline;
    align-items: baseline;
    margin: -6px 0 0 -6px;
}

.zen-stat-item > * {
    margin: 6px 0 0 6px;
}

.zen-stat-label {
    color: var(--zen-text-light);
    font-size: 13px;
}

.zen-stat-num {
    font-size: 18px;
    font-weight: 600;
    color: var(--zen-primary);
}

.zen-btn-post {
    display: -webkit-inline-box;
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    margin: -6px 0 0 -6px;
    padding: 10px 20px;
    background: var(--zen-primary);
    color: #fff;
    border: none;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    -webkit-transition: background-color 0.2s ease, -webkit-transform 0.2s ease;
    transition: background-color 0.2s ease, transform 0.2s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    touch-action: manipulation;
    -webkit-text-decoration: none;
    text-decoration: none;
}

.zen-btn-post > * {
    margin: 6px 0 0 6px;
}

.zen-btn-post:hover,
.zen-btn-post:focus {
    background: var(--zen-primary-light);
    -webkit-transform: translateY(-1px);
    transform: translateY(-1px);
}

.zen-btn-post:active {
    -webkit-transform: scale(0.98);
    transform: scale(0.98);
    background: var(--zen-primary);
}

.zen-btn-icon { font-size: 16px; }

.zen-list {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    flex-direction: column;
    margin: -16px 0 0 0;
}

.zen-list > * {
    margin: 16px 0 0 0;
}

.zen-item {
    background: var(--zen-card);
    border-radius: var(--zen-radius);
    padding: 16px;
    box-shadow: var(--zen-shadow);
    -webkit-transition: box-shadow 0.2s ease;
    transition: box-shadow 0.2s ease;
}

.zen-item:hover,
.zen-item:focus-within { 
    box-shadow: var(--zen-shadow-hover); 
}

.zen-item-header {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-box-align: start;
    -webkit-align-items: flex-start;
    align-items: flex-start;
    margin-bottom: 12px;
}

.zen-item-author {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    margin: -10px 0 0 0;
}

.zen-item-author > * {
    margin: 10px 0 0 0;
}

.zen-item-author > *:not(:last-child) {
    margin-right: 10px;
}

.zen-avatar {
    font-size: 28px;
    line-height: 1;
}

.zen-author-info {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    flex-direction: column;
    margin: -2px 0 0 0;
}

.zen-author-info > * {
    margin: 2px 0 0 0;
}

.zen-author-name {
    font-weight: 500;
    color: var(--zen-text);
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    margin: -6px 0 0 0;
}

.zen-author-name > * {
    margin: 6px 0 0 0;
}

.zen-author-name > *:not(:last-child) {
    margin-right: 6px;
}

.zen-tag {
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 3px;
    font-weight: 400;
}

.zen-tag-admin {
    background: #e8f4ea;
    color: var(--zen-primary);
}

.zen-tag-guest {
    background: #f0f0f0;
    color: var(--zen-text-light);
}

.zen-item-meta {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    margin: -8px 0 0 0;
    font-size: 12px;
    color: var(--zen-text-light);
}

.zen-item-meta > * {
    margin: 8px 0 0 0;
}

.zen-item-meta > *:not(:last-child) {
    margin-right: 8px;
}

.zen-item-actions {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    margin: -8px 0 0 0;
}

.zen-item-actions > * {
    margin: 8px 0 0 0;
}

.zen-item-actions > *:not(:last-child) {
    margin-right: 8px;
}

.zen-action-btn {
    padding: 4px 10px;
    background: transparent;
    border: 1px solid var(--zen-border);
    border-radius: 4px;
    font-size: 12px;
    color: var(--zen-text-light);
    cursor: pointer;
    -webkit-transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    font-family: inherit;
}

.zen-action-btn:hover,
.zen-action-btn:focus {
    background: #f5f5f5;
    border-color: #ccc;
}

.zen-action-delete:hover,
.zen-action-delete:focus {
    background: #fff5f5;
    border-color: #e0c0c0;
    color: #c0392b;
}

.zen-action-danger {
    background: #e74c3c;
    border-color: #e74c3c;
    color: #fff;
}

.zen-action-danger:hover,
.zen-action-danger:focus {
    background: #c0392b;
    border-color: #c0392b;
}

.zen-confirm-group {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    margin: -6px 0 0 0;
}

.zen-confirm-group > * {
    margin: 6px 0 0 0;
}

.zen-confirm-group > *:not(:last-child) {
    margin-right: 6px;
}

.zen-item-body {
    margin-bottom: 12px;
}

.zen-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--zen-text);
    margin-bottom: 8px;
    line-height: 1.4;
}

.zen-item-content {
    color: var(--zen-text);
    line-height: 1.7;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
    hyphens: auto;
}

.zen-voice {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    margin: -10px 0 0 -10px;
    margin-top: 12px;
    padding: 10px;
    background: #f8f8f6;
    border-radius: 6px;
}

.zen-voice > * {
    margin: 10px 0 0 10px;
}

.zen-voice audio {
    height: 32px;
    -webkit-box-flex: 1;
    -webkit-flex: 1 1 auto;
    flex: 1 1 auto;
    min-width: 0;
}

.zen-voice-duration {
    font-size: 12px;
    color: var(--zen-text-light);
}

.zen-item-footer {
    padding-top: 12px;
    border-top: 1px solid var(--zen-border);
}

.zen-interactions {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    margin: -16px 0 0 0;
}

.zen-interactions > * {
    margin: 16px 0 0 0;
}

.zen-interactions > *:not(:last-child) {
    margin-right: 16px;
}

.zen-interact-btn {
    display: -webkit-inline-box;
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    margin: -4px 0 0 -4px;
    padding: 4px 8px;
    background: transparent;
    border: none;
    color: var(--zen-text-light);
    font-size: 13px;
    cursor: pointer;
    border-radius: 4px;
    -webkit-transition: background-color 0.15s ease, color 0.15s ease;
    transition: background-color 0.15s ease, color 0.15s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    touch-action: manipulation;
    font-family: inherit;
}

.zen-interact-btn > * {
    margin: 4px 0 0 4px;
}

.zen-interact-btn:hover,
.zen-interact-btn:focus {
    background: #f5f5f5;
    color: var(--zen-text);
}

.zen-interact-btn:active {
    background: #eee;
}

.zen-interact-btn.active {
    color: #e74c3c;
    background: #fef5f5;
}

.zen-interact-btn.zen-share-success {
    color: var(--zen-primary);
    background: #f0f7f2;
}

.zen-icon { font-size: 16px; }
.zen-count { font-weight: 500; }

.zen-replies {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--zen-border);
}

.zen-replies-list {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    flex-direction: column;
    margin: -12px 0 0 0;
    margin-bottom: 16px;
}

.zen-replies-list > * {
    margin: 12px 0 0 0;
}

.zen-reply {
    padding: 12px;
    background: #fafaf8;
    border-radius: 6px;
}

.zen-reply-header {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    margin: -8px 0 0 0;
    margin-bottom: 6px;
}

.zen-reply-header > * {
    margin: 8px 0 0 0;
}

.zen-reply-header > *:not(:last-child) {
    margin-right: 8px;
}

.zen-avatar-sm { font-size: 18px; }
.zen-reply-author { font-weight: 500; font-size: 13px; }
.zen-reply-time { font-size: 12px; color: var(--zen-text-light); }
.zen-reply-content { font-size: 13px; line-height: 1.6; color: var(--zen-text); }

.zen-reply-form {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    flex-direction: column;
    margin: -10px 0 0 0;
}

.zen-reply-form > * {
    margin: 10px 0 0 0;
}

.zen-input {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--zen-border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--zen-text);
    background: #fff;
    -webkit-transition: border-color 0.15s ease;
    transition: border-color 0.15s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    font-family: inherit;
    line-height: 1.4;
}

.zen-input:focus {
    outline: none;
    border-color: var(--zen-primary);
}

.zen-input::-webkit-input-placeholder {
    color: #999;
    opacity: 1;
}

.zen-input::-moz-placeholder {
    color: #999;
    opacity: 1;
}

.zen-input:-ms-input-placeholder {
    color: #999;
    opacity: 1;
}

.zen-input::placeholder {
    color: #999;
    opacity: 1;
}

.zen-input::-webkit-clear-button,
.zen-input::-webkit-cancel-button {
    -webkit-appearance: none;
    appearance: none;
}

.zen-input-sm { 
    padding: 8px 10px; 
    font-size: 13px; 
}

.zen-textarea {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--zen-border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--zen-text);
    background: #fff;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    line-height: 1.5;
    -webkit-transition: border-color 0.15s ease;
    transition: border-color 0.15s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.zen-textarea:focus {
    outline: none;
    border-color: var(--zen-primary);
}

.zen-textarea::-webkit-input-placeholder {
    color: #999;
    opacity: 1;
}

.zen-textarea::-moz-placeholder {
    color: #999;
    opacity: 1;
}

.zen-textarea:-ms-input-placeholder {
    color: #999;
    opacity: 1;
}

.zen-textarea::placeholder {
    color: #999;
    opacity: 1;
}

.zen-textarea-sm { 
    min-height: 60px; 
    font-size: 13px; 
}

.zen-char-counter {
    text-align: right;
    font-size: 12px;
    color: var(--zen-text-light);
}

.zen-reply-actions {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: end;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
}

.zen-btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    -webkit-transition: background-color 0.15s ease, -webkit-transform 0.1s ease;
    transition: background-color 0.15s ease, transform 0.1s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    touch-action: manipulation;
    font-family: inherit;
    line-height: 1.4;
    text-align: center;
}

.zen-btn-sm { 
    padding: 6px 12px; 
    font-size: 13px; 
}

.zen-btn-primary {
    background: var(--zen-primary);
    color: #fff;
}

.zen-btn-primary:hover,
.zen-btn-primary:focus {
    background: var(--zen-primary-light);
}

.zen-btn-primary:active {
    -webkit-transform: scale(0.98);
    transform: scale(0.98);
    background: var(--zen-primary);
}

.zen-btn-ghost {
    background: transparent;
    color: var(--zen-text-light);
}

.zen-btn-ghost:hover,
.zen-btn-ghost:focus {
    background: #f5f5f5;
    color: var(--zen-text);
}

.zen-load-more {
    text-align: center;
    padding: 20px 0;
}

.zen-btn-more {
    display: inline-block;
    padding: 10px 32px;
    background: var(--zen-card);
    border: 1px solid var(--zen-border);
    border-radius: 24px;
    font-size: 14px;
    color: var(--zen-text);
    cursor: pointer;
    -webkit-transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    touch-action: manipulation;
    font-family: inherit;
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
}

.zen-btn-more:hover,
.zen-btn-more:focus {
    border-color: var(--zen-primary);
    color: var(--zen-primary);
}

.zen-btn-more:active {
    background: #f5f5f5;
}

.zen-loading {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    margin: -8px 0 0 -8px;
    padding: 20px;
    color: var(--zen-text-light);
}

.zen-loading > * {
    margin: 8px 0 0 8px;
}

.zen-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--zen-border);
    border-top-color: var(--zen-primary);
    border-radius: 50%;
    -webkit-animation: zen-spin 0.8s linear infinite;
    animation: zen-spin 0.8s linear infinite;
}

.zen-spinner-sm {
    width: 14px;
    height: 14px;
    border-width: 2px;
}

.zen-loading-sm {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    padding: 10px;
}

@-webkit-keyframes zen-spin {
    0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}

@keyframes zen-spin {
    0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}

.zen-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--zen-text-light);
    font-size: 15px;
}

.zen-error {
    padding: 12px 16px;
    background: #fef5f5;
    border: 1px solid #f0d0d0;
    border-radius: 6px;
    color: #c0392b;
    font-size: 13px;
}

.zen-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    padding-top: max(20px, env(safe-area-inset-top, 20px));
    padding-left: max(20px, env(safe-area-inset-left, 20px));
    padding-right: max(20px, env(safe-area-inset-right, 20px));
    padding-bottom: max(20px, env(safe-area-inset-bottom, 20px));
    -webkit-overflow-scrolling: touch;
    overflow-y: auto;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.zen-modal-content {
    background: var(--zen-card);
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
    max-height: calc(var(--vh, 1vh) * 90);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    -webkit-animation: zenSlideUp 0.25s ease-out;
    animation: zenSlideUp 0.25s ease-out;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

@-webkit-keyframes zenSlideUp {
    0% {
        opacity: 0;
        -webkit-transform: translateY(20px) translateZ(0);
        transform: translateY(20px) translateZ(0);
    }
    100% {
        opacity: 1;
        -webkit-transform: translateY(0) translateZ(0);
        transform: translateY(0) translateZ(0);
    }
}

@keyframes zenSlideUp {
    0% {
        opacity: 0;
        -webkit-transform: translateY(20px) translateZ(0);
        transform: translateY(20px) translateZ(0);
    }
    100% {
        opacity: 1;
        -webkit-transform: translateY(0) translateZ(0);
        transform: translateY(0) translateZ(0);
    }
}

.zen-modal-header {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--zen-border);
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    background: var(--zen-card);
    z-index: 1;
}

.zen-modal-title {
    font-size: 16px;
    font-weight: 600;
}

.zen-modal-close {
    width: 28px;
    height: 28px;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--zen-text-light);
    font-size: 20px;
    cursor: pointer;
    border-radius: 4px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-transition: background-color 0.15s ease;
    transition: background-color 0.15s ease;
}

.zen-modal-close:hover,
.zen-modal-close:focus {
    background: #f5f5f5;
}

.zen-modal-content form {
    padding: 20px;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    flex-direction: column;
    margin: -16px 0 0 0;
}

.zen-modal-content form > * {
    margin: 16px 0 0 0;
}

.zen-form-row {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    flex-direction: column;
    margin: -8px 0 0 0;
}

.zen-form-row > * {
    margin: 8px 0 0 0;
}

.zen-guest-row {
    margin-top: -12px;
}

.zen-guest-row > * {
    margin: 12px 0 0 0;
}

.zen-avatar-picker {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    margin: -10px 0 0 0;
}

.zen-avatar-picker > * {
    margin: 10px 0 0 0;
}

.zen-avatar-picker > *:not(:last-child) {
    margin-right: 10px;
}

.zen-label {
    font-size: 13px;
    color: var(--zen-text-light);
    white-space: nowrap;
}

.zen-avatar-list {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    margin: -4px 0 0 0;
}

.zen-avatar-list > * {
    margin: 4px 0 0 0;
}

.zen-avatar-list > *:not(:last-child) {
    margin-right: 4px;
}

.zen-avatar-btn {
    width: 32px;
    height: 32px;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    background: #f5f5f5;
    border: 2px solid transparent;
    border-radius: 6px;
    font-size: 18px;
    cursor: pointer;
    -webkit-transition: background-color 0.15s ease, border-color 0.15s ease, -webkit-transform 0.1s ease;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    touch-action: manipulation;
    padding: 0;
}

.zen-avatar-btn:hover,
.zen-avatar-btn:focus {
    background: #eee;
}

.zen-avatar-btn:active {
    -webkit-transform: scale(0.95);
    transform: scale(0.95);
}

.zen-avatar-btn.active {
    border-color: var(--zen-primary);
    background: #f0f7f2;
}

.zen-form-actions {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: end;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
    margin: -10px 0 0 0;
    padding-top: 8px;
}

.zen-form-actions > * {
    margin: 10px 0 0 0;
}

.zen-form-actions > *:not(:last-child) {
    margin-right: 10px;
}

.zen-form-loading {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    margin: -8px 0 0 -8px;
    padding: 16px;
    color: var(--zen-text-light);
}

.zen-form-loading > * {
    margin: 8px 0 0 8px;
}

.zen-fade-in {
    -webkit-animation: zenFadeIn 0.2s ease;
    animation: zenFadeIn 0.2s ease;
}

.zen-fade-out {
    -webkit-animation: zenFadeOut 0.15s ease;
    animation: zenFadeOut 0.15s ease;
}

@-webkit-keyframes zenFadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes zenFadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@-webkit-keyframes zenFadeOut {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

@keyframes zenFadeOut {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

.zen-markdown h1, .zen-markdown h2, .zen-markdown h3 {
    margin: 16px 0 8px;
    font-weight: 600;
}

.zen-markdown h1 { font-size: 18px; }
.zen-markdown h2 { font-size: 16px; }
.zen-markdown h3 { font-size: 15px; }

.zen-markdown p { margin: 8px 0; }
.zen-markdown ul, .zen-markdown ol { margin: 8px 0; padding-left: 20px; }
.zen-markdown li { margin: 4px 0; }
.zen-markdown code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 13px;
    font-family: Consolas, Monaco, "Courier New", monospace;
}
.zen-markdown pre {
    background: #f5f5f5;
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 12px 0;
    -webkit-overflow-scrolling: touch;
}
.zen-markdown pre code {
    background: transparent;
    padding: 0;
}
.zen-markdown blockquote {
    border-left: 3px solid var(--zen-primary);
    padding-left: 12px;
    margin: 12px 0;
    color: var(--zen-text-light);
}
.zen-markdown a {
    color: var(--zen-primary);
    text-decoration: none;
}
.zen-markdown a:hover,
.zen-markdown a:focus {
    text-decoration: underline;
}

@media screen and (max-width: 480px) {
    .zen-board {
        padding: 12px;
        padding-left: max(12px, env(safe-area-inset-left, 12px));
        padding-right: max(12px, env(safe-area-inset-right, 12px));
        padding-bottom: max(12px, env(safe-area-inset-bottom, 12px));
    }
    
    .zen-header {
        -webkit-flex-wrap: wrap;
        flex-wrap: wrap;
        margin-top: -12px;
    }
    
    .zen-header > * {
        margin-top: 12px;
    }
    
    .zen-stats {
        margin-left: -16px;
    }
    
    .zen-stats > * {
        margin-left: 16px;
    }
    
    .zen-btn-post {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .zen-item {
        padding: 12px;
    }
    
    .zen-item-title {
        font-size: 15px;
    }
    
    .zen-interactions {
        margin-left: -12px;
    }
    
    .zen-interactions > * {
        margin-left: 12px;
    }
    
    .zen-interact-btn {
        padding: 6px 10px;
    }
    
    .zen-modal {
        padding: 10px;
        padding-top: max(10px, env(safe-area-inset-top, 10px));
        padding-left: max(10px, env(safe-area-inset-left, 10px));
        padding-right: max(10px, env(safe-area-inset-right, 10px));
        padding-bottom: max(10px, env(safe-area-inset-bottom, 10px));
    }
    
    .zen-modal-content {
        max-height: calc(var(--vh, 1vh) * 85);
        border-radius: 8px;
    }
    
    .zen-modal-header {
        padding: 12px 16px;
    }
    
    .zen-modal-content form {
        padding: 16px;
    }
    
    .zen-avatar-btn {
        width: 28px;
        height: 28px;
        font-size: 16px;
    }
}

@media screen and (min-width: 481px) {
    .zen-modal-content {
        min-width: 400px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .zen-btn-post,
    .zen-action-btn,
    .zen-interact-btn,
    .zen-btn,
    .zen-btn-more,
    .zen-avatar-btn,
    .zen-modal-content,
    .zen-spinner {
        -webkit-animation: none !important;
        animation: none !important;
        -webkit-transition: none !important;
        transition: none !important;
    }
}

@supports (display: flex) {
    .zen-stats { margin: -12px 0 0 -24px; }
    .zen-stats > * { margin: 12px 0 0 24px; }
    
    .zen-list { margin: -16px 0 0 0; }
    .zen-list > * { margin: 16px 0 0 0; }
    
    .zen-interactions { margin: -16px 0 0 0; }
    .zen-interactions > * { margin: 16px 0 0 0; }
    .zen-interactions > *:not(:last-child) { margin-right: 16px; }
}

@supports (gap: 1px) {
    .zen-stats { 
        margin: 0; 
        gap: 24px; 
    }
    .zen-stats > * { margin: 0; }
    
    .zen-stat-item { 
        margin: 0;
        gap: 6px; 
    }
    .zen-stat-item > * { margin: 0; }
    
    .zen-list { 
        margin: 0; 
        gap: 16px; 
    }
    .zen-list > * { margin: 0; }
    
    .zen-interactions { 
        margin: 0;
        gap: 16px; 
    }
    .zen-interactions > * { margin: 0; }
    
    .zen-replies-list { 
        margin: 0;
        margin-bottom: 16px;
        gap: 12px; 
    }
    .zen-replies-list > * { margin: 0; }
    
    .zen-reply-form { 
        margin: 0;
        gap: 10px; 
    }
    .zen-reply-form > * { margin: 0; }
    
    .zen-modal-content form { 
        margin: 0;
        gap: 16px; 
    }
    .zen-modal-content form > * { margin: 0; }
    
    .zen-form-row { 
        margin: 0;
        gap: 8px; 
    }
    .zen-form-row > * { margin: 0; }
    
    .zen-guest-row { 
        margin: 0;
        gap: 12px; 
    }
    .zen-guest-row > * { margin: 0; }
    
    .zen-avatar-picker { 
        margin: 0;
        gap: 10px; 
    }
    .zen-avatar-picker > * { margin: 0; }
    
    .zen-avatar-list { 
        margin: 0;
        gap: 4px; 
    }
    .zen-avatar-list > * { margin: 0; }
    
    .zen-form-actions { 
        margin: 0;
        gap: 10px; 
    }
    .zen-form-actions > * { margin: 0; }
    
    .zen-loading { 
        margin: 0;
        gap: 8px; 
    }
    .zen-loading > * { margin: 0; }
    
    .zen-form-loading { 
        margin: 0;
        gap: 8px; 
    }
    .zen-form-loading > * { margin: 0; }
}