/**
 * PMN Article Comments - Airbnb-inspired Styles
 */

:root {
    --pmna-comment-accent: #FF5A5F;
    --pmna-comment-secondary: #00A699;
    --pmna-comment-btn-text: #FFFFFF;
    --pmna-comment-bg: #FFFFFF;
    --pmna-comment-bg-hover: #F7F7F7;
    --pmna-comment-border: #EBEBEB;
    --pmna-comment-text: #484848;
    --pmna-comment-text-light: #767676;
    --pmna-comment-text-lighter: #B0B0B0;
    --pmna-comment-radius: 12px;
    --pmna-comment-radius-sm: 8px;
    --pmna-comment-avatar-size: 48px;
    --pmna-comment-avatar-size-sm: 40px;
    --pmna-comment-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --pmna-comment-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --pmna-comment-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* Container */
.pmna-comments-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 24px 0;
    color: var(--pmna-comment-text);
    line-height: 1.5;
}

/* Header */
.pmna-comments-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--pmna-comment-border);
}

.pmna-comments-title {
    font-size: 22px;
    font-weight: 600;
    margin: 0;
    color: var(--pmna-comment-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pmna-comments-count {
    font-weight: 400;
    color: var(--pmna-comment-text-light);
}

/* Comment Form */
.pmna-comment-form-wrapper {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    padding: 20px;
    background: var(--pmna-comment-bg);
    border: 1px solid var(--pmna-comment-border);
    border-radius: var(--pmna-comment-radius);
    transition: var(--pmna-comment-transition);
}

.pmna-comment-form-wrapper:focus-within {
    border-color: var(--pmna-comment-accent);
    box-shadow: 0 0 0 1px var(--pmna-comment-accent);
}

.pmna-comment-form-avatar {
    flex-shrink: 0;
    width: var(--pmna-comment-avatar-size);
    height: var(--pmna-comment-avatar-size);
    border-radius: 50%;
    overflow: hidden;
}

/* Target all possible avatar img elements */
.pmna-comment-form-avatar img,
.pmna-comment-form-avatar .pmna-avatar,
.pmna-avatar {
    width: var(--pmna-comment-avatar-size) !important;
    height: var(--pmna-comment-avatar-size) !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    border: 2px solid var(--pmna-comment-border);
    display: block;
}

.pmna-comment-form {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pmna-comment-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pmna-comment-input,
.pmna-reply-input,
.pmna-edit-input {
    width: 100%;
    min-height: 48px;
    padding: 12px 16px;
    border: 1px solid var(--pmna-comment-border);
    border-radius: var(--pmna-comment-radius-sm);
    font-size: 16px;
    font-family: inherit;
    color: var(--pmna-comment-text);
    resize: none;
    transition: var(--pmna-comment-transition);
    background: var(--pmna-comment-bg);
}

.pmna-comment-input:focus,
.pmna-reply-input:focus,
.pmna-edit-input:focus {
    outline: none;
    border-color: var(--pmna-comment-accent);
    box-shadow: 0 0 0 1px var(--pmna-comment-accent);
}

.pmna-comment-input::placeholder,
.pmna-reply-input::placeholder {
    color: var(--pmna-comment-text-lighter);
}

.pmna-comment-input-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pmna-char-count {
    font-size: 13px;
    color: var(--pmna-comment-text-lighter);
}

.pmna-char-current.is-near-limit {
    color: #FF9800;
}

.pmna-char-current.is-over-limit {
    color: #F44336;
}

/* Buttons */
.pmna-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--pmna-comment-radius-sm);
    cursor: pointer;
    transition: var(--pmna-comment-transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.pmna-btn-primary {
    background: var(--pmna-comment-accent);
    color: var(--pmna-comment-btn-text);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.pmna-btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0) 50%, rgba(0, 0, 0, 0.05) 100%);
    opacity: 0;
    transition: var(--pmna-comment-transition);
}

.pmna-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    filter: brightness(1.1);
}

.pmna-btn-primary:hover::before {
    opacity: 1;
}

.pmna-btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    filter: brightness(0.95);
}

.pmna-btn-primary:disabled {
    background: var(--pmna-comment-text-lighter);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    filter: none;
}

.pmna-btn-primary:disabled::before {
    display: none;
}

.pmna-btn-outline {
    background: transparent;
    color: var(--pmna-comment-text);
    border: 1px solid var(--pmna-comment-border);
}

.pmna-btn-outline:hover {
    background: var(--pmna-comment-bg-hover);
    border-color: var(--pmna-comment-accent);
    color: var(--pmna-comment-accent);
    transform: translateY(-1px);
}

.pmna-btn-outline:active {
    transform: translateY(0);
    background: rgba(0, 0, 0, 0.05);
}

.pmna-btn-text {
    background: transparent;
    color: var(--pmna-comment-text-light);
    padding: 8px 12px;
}

.pmna-btn-text:hover {
    color: var(--pmna-comment-accent);
    background: rgba(255, 90, 95, 0.08);
}

.pmna-btn-text:active {
    background: rgba(255, 90, 95, 0.12);
}

.pmna-btn.is-loading .pmna-btn-text {
    display: none;
}

.pmna-btn-loading {
    display: none;
}

.pmna-btn.is-loading .pmna-btn-loading {
    display: inline-flex;
}

.pmna-spinner {
    width: 20px;
    height: 20px;
    animation: pmna-rotate 1.5s linear infinite;
}

@keyframes pmna-rotate {
    100% {
        transform: rotate(360deg);
    }
}

/* Login Prompt */
.pmna-login-prompt {
    padding: 24px;
    text-align: center;
    background: var(--pmna-comment-bg-hover);
    border-radius: var(--pmna-comment-radius);
    margin-bottom: 24px;
    position: relative;
}

.pmna-login-prompt p {
    margin: 0;
    color: var(--pmna-comment-text-light);
    font-size: 15px;
}

.pmna-login-link {
    color: var(--pmna-comment-accent);
    text-decoration: none;
    font-weight: 600;
}

.pmna-login-link:hover {
    text-decoration: underline;
}

/* Login Tooltip */
.pmna-login-tooltip {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) scale(0.95);
    width: 320px;
    max-width: calc(100vw - 32px);
    background: var(--pmna-comment-bg);
    border-radius: var(--pmna-comment-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.pmna-login-tooltip.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
}

.pmna-login-tooltip-arrow {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--pmna-comment-bg);
    border-radius: 3px;
    transform: translateX(-50%) rotate(45deg);
    box-shadow: -2px -2px 4px rgba(0, 0, 0, 0.04);
}

.pmna-login-tooltip-content {
    position: relative;
    padding: 20px;
    background: var(--pmna-comment-bg);
    border-radius: var(--pmna-comment-radius);
}

.pmna-login-tooltip-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.pmna-login-tooltip-header h4 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--pmna-comment-text);
}

.pmna-login-tooltip-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--pmna-comment-text-light);
    transition: var(--pmna-comment-transition);
}

.pmna-login-tooltip-close:hover {
    background: var(--pmna-comment-bg-hover);
    color: var(--pmna-comment-text);
}

.pmna-login-tooltip-close svg {
    width: 16px;
    height: 16px;
}

/* Login Form */
.pmna-login-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.pmna-login-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pmna-login-field label {
    font-size: 13px;
    font-weight: 500;
    color: var(--pmna-comment-text);
}

.pmna-login-field input {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    color: var(--pmna-comment-text);
    background: var(--pmna-comment-bg);
    border: 1px solid var(--pmna-comment-border);
    border-radius: var(--pmna-comment-radius-sm);
    transition: var(--pmna-comment-transition);
    box-sizing: border-box;
}

.pmna-login-field input:focus {
    outline: none;
    border-color: var(--pmna-comment-accent);
    box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.1);
}

.pmna-login-field input::placeholder {
    color: var(--pmna-comment-text-lighter);
}

.pmna-password-wrapper {
    position: relative;
}

.pmna-password-wrapper input {
    padding-right: 40px;
}

.pmna-password-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    color: var(--pmna-comment-text-light);
    transition: var(--pmna-comment-transition);
}

.pmna-password-toggle:hover {
    color: var(--pmna-comment-text);
    background: var(--pmna-comment-bg-hover);
}

.pmna-password-toggle svg {
    width: 18px;
    height: 18px;
}

.pmna-login-error {
    padding: 10px 12px;
    background: #FEE2E2;
    color: #DC2626;
    font-size: 13px;
    border-radius: var(--pmna-comment-radius-sm);
    animation: pmna-shake 0.4s ease;
}

@keyframes pmna-shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
}

.pmna-login-submit {
    width: 100%;
    margin-top: 4px;
}

.pmna-login-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--pmna-comment-border);
    text-align: center;
    font-size: 13px;
    color: var(--pmna-comment-text-light);
}

.pmna-register-link {
    color: var(--pmna-comment-accent);
    text-decoration: none;
    font-weight: 600;
    margin-left: 4px;
}

.pmna-register-link:hover {
    text-decoration: underline;
}

/* Login Tooltip Backdrop */
.pmna-login-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    display: none;
}

.pmna-login-backdrop.is-visible {
    display: block;
}

/* Comments List */
.pmna-comments-list {
    margin-bottom: 24px;
}

.pmna-comments-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Comment Item */
.pmna-comment-item {
    display: flex;
    gap: 16px;
    animation: pmna-fade-in 0.3s ease;
}

@keyframes pmna-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pmna-comment-avatar {
    flex-shrink: 0;
    width: var(--pmna-comment-avatar-size);
    height: var(--pmna-comment-avatar-size);
    border-radius: 50%;
    overflow: hidden;
}

.pmna-comment-avatar .pmna-avatar,
.pmna-comment-avatar img {
    width: var(--pmna-comment-avatar-size) !important;
    height: var(--pmna-comment-avatar-size) !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    display: block;
}

.pmna-comment-body {
    flex: 1;
    min-width: 0;
}

.pmna-comment-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.pmna-comment-author {
    font-weight: 600;
    color: var(--pmna-comment-text);
    font-size: 15px;
}

.pmna-comment-time {
    font-size: 14px;
    color: var(--pmna-comment-text-light);
}

.pmna-comment-pending {
    font-size: 12px;
    color: #FF9800;
    background: #FFF3E0;
    padding: 2px 8px;
    border-radius: 4px;
}

.pmna-comment-content {
    font-size: 15px;
    line-height: 1.6;
    color: var(--pmna-comment-text);
    margin-bottom: 12px;
    word-wrap: break-word;
}

/* Comment Actions */
.pmna-comment-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.pmna-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--pmna-comment-text-light);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--pmna-comment-transition);
    position: relative;
}

.pmna-action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 6px;
    background: currentColor;
    opacity: 0;
    transition: var(--pmna-comment-transition);
}

.pmna-action-btn:hover {
    color: var(--pmna-comment-accent);
    transform: translateY(-1px);
}

.pmna-action-btn:hover::before {
    opacity: 0.08;
}

.pmna-action-btn:active {
    transform: translateY(0);
}

.pmna-action-btn:active::before {
    opacity: 0.12;
}

.pmna-action-btn svg {
    width: 16px;
    height: 16px;
    transition: var(--pmna-comment-transition);
}

.pmna-action-btn:hover svg {
    transform: scale(1.1);
}

/* Reply Button */
.pmna-reply-btn:hover {
    color: var(--pmna-comment-accent);
}

/* Helpful Button */
.pmna-helpful-btn:hover {
    color: var(--pmna-comment-secondary);
}

.pmna-helpful-btn.is-active {
    color: var(--pmna-comment-secondary);
}

.pmna-helpful-btn.is-active svg {
    fill: var(--pmna-comment-secondary);
}

.pmna-helpful-btn.is-active:hover {
    color: var(--pmna-comment-secondary);
    opacity: 0.8;
}

.pmna-helpful-count {
    font-weight: 400;
}

/* Edit Button */
.pmna-edit-btn:hover {
    color: var(--pmna-comment-secondary);
}

/* Delete Button */
.pmna-delete-btn:hover {
    color: #F44336;
}

.pmna-delete-btn:hover svg {
    transform: scale(1.15);
}

/* Reply Form */
.pmna-reply-form-wrapper {
    margin-top: 16px;
    padding: 16px;
    background: var(--pmna-comment-bg-hover);
    border-radius: var(--pmna-comment-radius-sm);
    animation: pmna-slide-down 0.2s ease;
}

@keyframes pmna-slide-down {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pmna-reply-form,
.pmna-edit-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pmna-reply-actions,
.pmna-edit-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* Edit Form */
.pmna-edit-form-wrapper {
    margin-top: 12px;
    animation: pmna-slide-down 0.2s ease;
}

/* Replies */
.pmna-replies {
    margin-top: 16px;
    margin-left: 32px;
    padding-left: 16px;
    border-left: 2px solid var(--pmna-comment-border);
}

.pmna-replies .pmna-comment-item {
    padding-top: 16px;
}

.pmna-replies .pmna-comment-item:first-child {
    padding-top: 0;
}

.pmna-replies .pmna-comment-avatar {
    width: var(--pmna-comment-avatar-size-sm);
    height: var(--pmna-comment-avatar-size-sm);
}

.pmna-replies .pmna-comment-avatar .pmna-avatar,
.pmna-replies .pmna-comment-avatar img {
    width: var(--pmna-comment-avatar-size-sm) !important;
    height: var(--pmna-comment-avatar-size-sm) !important;
    border-radius: 50% !important;
    object-fit: cover !important;
}

/* Loading State */
.pmna-comments-loading {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.pmna-skeleton-comment {
    display: flex;
    gap: 16px;
}

.pmna-skeleton-avatar {
    width: var(--pmna-comment-avatar-size);
    height: var(--pmna-comment-avatar-size);
    border-radius: 50%;
    background: linear-gradient(90deg, #F0F0F0 25%, #E8E8E8 50%, #F0F0F0 75%);
    background-size: 200% 100%;
    animation: pmna-shimmer 1.5s infinite;
}

.pmna-skeleton-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pmna-skeleton-line {
    height: 14px;
    border-radius: 4px;
    background: linear-gradient(90deg, #F0F0F0 25%, #E8E8E8 50%, #F0F0F0 75%);
    background-size: 200% 100%;
    animation: pmna-shimmer 1.5s infinite;
}

.pmna-skeleton-name {
    width: 120px;
    height: 16px;
}

.pmna-skeleton-text {
    width: 100%;
}

.pmna-skeleton-text-short {
    width: 60%;
}

@keyframes pmna-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Empty State */
.pmna-comments-empty {
    text-align: center;
    padding: 48px 24px;
    background: var(--pmna-comment-bg-hover);
    border-radius: var(--pmna-comment-radius);
}

.pmna-empty-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    color: var(--pmna-comment-text-lighter);
}

.pmna-empty-icon svg {
    width: 100%;
    height: 100%;
}

.pmna-empty-text {
    margin: 0;
    font-size: 16px;
    color: var(--pmna-comment-text-light);
}

/* Load More */
.pmna-load-more-wrapper {
    text-align: center;
    padding-top: 16px;
}

.pmna-load-more {
    min-width: 200px;
}

/* Toast Notification */
.pmna-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--pmna-comment-text);
    color: #FFFFFF;
    padding: 12px 24px;
    border-radius: var(--pmna-comment-radius-sm);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--pmna-comment-shadow-hover);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.pmna-toast.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.pmna-toast.is-success {
    background: var(--pmna-comment-secondary);
}

.pmna-toast.is-error {
    background: #F44336;
}

/* Responsive */
@media (max-width: 768px) {
    .pmna-comments-container {
        padding: 16px;
    }

    .pmna-comment-form-wrapper {
        padding: 16px;
    }

    .pmna-comment-form-avatar {
        display: none;
    }

    .pmna-comment-item {
        gap: 12px;
    }

    .pmna-comment-avatar {
        width: 40px;
        height: 40px;
    }

    .pmna-comment-avatar .pmna-avatar,
    .pmna-comment-avatar img {
        width: 40px !important;
        height: 40px !important;
        border-radius: 50% !important;
    }

    .pmna-replies {
        margin-left: 20px;
        padding-left: 12px;
    }

    .pmna-replies .pmna-comment-avatar {
        width: 32px;
        height: 32px;
    }

    .pmna-replies .pmna-comment-avatar .pmna-avatar,
    .pmna-replies .pmna-comment-avatar img {
        width: 32px !important;
        height: 32px !important;
        border-radius: 50% !important;
    }

    .pmna-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .pmna-action-btn {
        padding: 4px 8px;
        font-size: 12px;
    }

    .pmna-action-btn span:not(.pmna-helpful-count) {
        display: none;
    }

    .pmna-toast {
        left: 16px;
        right: 16px;
        transform: translateX(0) translateY(100px);
        text-align: center;
    }

    .pmna-toast.is-visible {
        transform: translateX(0) translateY(0);
    }
}

/* Dark Mode Support (optional) */
@media (prefers-color-scheme: dark) {
    .pmna-comments-container.dark-mode {
        --pmna-comment-bg: #1A1A1A;
        --pmna-comment-bg-hover: #2A2A2A;
        --pmna-comment-border: #3A3A3A;
        --pmna-comment-text: #E0E0E0;
        --pmna-comment-text-light: #A0A0A0;
        --pmna-comment-text-lighter: #707070;
    }
}