/* ================================================================
   CampusMentor Comment System - Reddit-Style CSS
   ================================================================ */

/* === Sort Bar === */
.cm-sort-bar {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.75rem;
    background: var(--amboss-card-bg);
    border: 1px solid var(--amboss-border);
    border-radius: var(--radius-sm);
}
.cm-sort-options {
    display: flex;
    gap: 0.25rem;
}
.cm-sort-btn {
    background: none;
    border: none;
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--amboss-text-secondary);
    cursor: pointer;
    border-radius: 9999px;
    transition: all 0.15s;
    font-family: inherit;
}
.cm-sort-btn:hover {
    background: rgba(5, 79, 87, 0.08);
    color: var(--amboss-teal);
}
.cm-sort-active {
    background: rgba(5, 79, 87, 0.12);
    color: var(--amboss-teal);
}

/* === Top-Level Input === */
.cm-top-input {
    background: var(--amboss-card-bg);
    border: 1px solid var(--amboss-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    margin-bottom: 1rem;
}
.cm-top-input .cm-textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--amboss-border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: inherit;
    color: var(--amboss-text-primary);
    background: var(--amboss-bg);
    resize: vertical;
    min-height: 50px;
    box-sizing: border-box;
}
.cm-top-input .cm-textarea:focus {
    outline: none;
    border-color: var(--amboss-teal);
    box-shadow: 0 0 0 2px rgba(5, 79, 87, 0.15);
}
.cm-input-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 0.5rem;
}
.cm-char-count {
    font-size: 0.75rem;
    color: var(--amboss-text-secondary);
}
.cm-submit-btn {
    background: var(--amboss-teal);
    color: #fff;
    border: none;
    padding: 0.45rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    font-family: inherit;
}
.cm-submit-btn:hover:not(:disabled) {
    background: var(--amboss-teal-dark);
}
.cm-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.cm-cancel-btn {
    background: none;
    border: 1px solid var(--amboss-border);
    color: var(--amboss-text-secondary);
    padding: 0.45rem 1rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s;
}
.cm-cancel-btn:hover {
    background: rgba(5, 79, 87, 0.06);
}

/* === Comment Thread === */
.cm-comment {
    position: relative;
    margin-bottom: 0;
}
.cm-threadline {
    border-left: 2px solid;
    margin-left: 0;
    padding: 0.75rem 0 0.5rem 0.75rem;
    display: flex;
    gap: 0.5rem;
}
.cm-comment[data-depth="0"] > .cm-threadline {
    border-left: none;
    padding-left: 0;
}

/* === Vote Rail === */
.cm-vote-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 32px;
    min-width: 32px;
    gap: 0;
}
.cm-vote-arrow {
    background: none;
    border: none;
    cursor: pointer;
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.15s;
    position: relative;
}
.cm-vote-arrow::before {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
}
.cm-up::before {
    border-bottom: 8px solid var(--amboss-text-secondary);
}
.cm-down::before {
    border-top: 8px solid var(--amboss-text-secondary);
}
.cm-vote-arrow:hover {
    background: rgba(5, 79, 87, 0.08);
}
.cm-vote-arrow:hover.cm-up::before {
    border-bottom-color: var(--amboss-teal);
}
.cm-vote-arrow:hover.cm-down::before {
    border-top-color: #b91c1c;
}
.cm-vote-arrow.cm-voted.cm-up::before {
    border-bottom-color: var(--amboss-teal);
}
.cm-vote-arrow.cm-voted.cm-down::before {
    border-top-color: #b91c1c;
}
.cm-vote-score {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--amboss-text-primary);
    padding: 0.2rem 0;
    min-width: 20px;
    text-align: center;
    user-select: none;
    line-height: 1;
}

/* === Comment Body === */
.cm-body {
    flex: 1;
    min-width: 0;
    padding-bottom: 0.25rem;
}
.cm-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-bottom: 0.25rem;
    font-size: 0.8rem;
}
.cm-author {
    font-weight: 600;
    color: var(--amboss-teal);
}

/* Level badge icon */
.level-svg {
    display: inline-block;
    width: 24px;
    height: 24px;
    min-width: 24px;
    margin-left: 4px;
    vertical-align: middle;
    flex-shrink: 0;
    transition: transform 0.15s ease;
}
.level-svg:hover {
    transform: scale(1.15);
}
.cm-label-deleted {
    font-size: 0.7rem;
    color: #b91c1c;
    font-style: italic;
}
.cm-dot {
    color: var(--amboss-text-secondary);
    font-size: 0.7rem;
}
.cm-time {
    color: var(--amboss-text-secondary);
    font-size: 0.75rem;
}
.cm-edited {
    color: var(--amboss-text-secondary);
    font-size: 0.72rem;
    font-style: italic;
}
.cm-text {
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--amboss-text-primary);
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 0.35rem;
}
.cm-text.cm-deleted {
    color: var(--amboss-text-secondary);
    font-style: italic;
}

/* === Actions === */
.cm-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.cm-action-btn {
    background: none;
    border: none;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--amboss-text-secondary);
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}
.cm-action-btn:hover {
    color: var(--amboss-teal);
    background: rgba(5, 79, 87, 0.06);
}
.cm-reply-btn {
    font-weight: 700;
    color: var(--amboss-teal);
}
.cm-reply-btn:hover {
    background: rgba(5, 79, 87, 0.1);
}
.cm-reply-icon {
    display: inline-block;
    width: 14px;
    height: 14px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%23054f57' viewBox='0 0 16 16'%3E%3Cpath d='M1.5 1a.5.5 0 00-.5.5v4.486A3.014 3.014 0 004.014 9H12.5l-3 3 .75.75L15 9 10.25 4l-.75.75 3 3H4.014A2.014 2.014 0 012 5.986V1.5a.5.5 0 00-.5-.5z'/%3E%3C/svg%3E") no-repeat center;
    opacity: 0.8;
    flex-shrink: 0;
}
.cm-reply-btn:hover .cm-reply-icon {
    opacity: 1;
}
.cm-view-replies-btn {
    font-weight: 600;
    color: var(--amboss-text-secondary);
}
.cm-view-replies-btn:hover {
    color: var(--amboss-teal);
}
.cm-action-btn.cm-danger:hover {
    color: #b91c1c;
    background: rgba(185, 28, 28, 0.06);
}

/* === Inline Reply / Edit Forms === */
.cm-reply-form,
.cm-edit-form {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--amboss-border);
}
.cm-reply-form .cm-textarea,
.cm-edit-form .cm-textarea {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--amboss-border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: inherit;
    color: var(--amboss-text-primary);
    background: var(--amboss-bg);
    resize: vertical;
    min-height: 45px;
    box-sizing: border-box;
}
.cm-reply-form .cm-textarea:focus,
.cm-edit-form .cm-textarea:focus {
    outline: none;
    border-color: var(--amboss-teal);
    box-shadow: 0 0 0 2px rgba(5, 79, 87, 0.15);
}
.cm-hidden {
    display: none;
}

/* === Collapse Toggle === */
.cm-collapse-btn {
    background: none;
    border: none;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--amboss-teal);
    cursor: pointer;
    padding: 0.3rem 0;
    margin-left: 0.75rem;
    margin-bottom: 0.4rem;
    transition: color 0.15s;
    font-family: inherit;
}
.cm-collapse-btn:hover {
    color: var(--amboss-teal-light);
}

/* === Children Container === */
.cm-children {
    margin-left: 1.5rem;
}

/* === Pagination === */
.cm-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 0;
}
.cm-page-btn {
    background: var(--amboss-card-bg);
    border: 1px solid var(--amboss-border);
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--amboss-teal);
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}
.cm-page-btn:hover:not(:disabled) {
    background: var(--amboss-teal);
    color: #fff;
}
.cm-page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.cm-page-info {
    font-size: 0.8rem;
    color: var(--amboss-text-secondary);
}

/* === Empty State === */
.cm-empty {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--amboss-text-secondary);
    font-size: 0.9rem;
    background: var(--amboss-card-bg);
    border: 1px solid var(--amboss-border);
    border-radius: var(--radius-sm);
}

/* === Error State === */
.cm-error {
    padding: 1rem;
    text-align: center;
    color: #b91c1c;
    font-size: 0.9rem;
    background: rgba(185, 28, 28, 0.06);
    border: 1px solid rgba(185, 28, 28, 0.2);
    border-radius: var(--radius-sm);
}

/* === Community Comment Toggle === */
.rd-comment-toggle {
    padding: 0.25rem 0 0 0;
    margin-top: 0.25rem;
}
.rd-toggle-comments-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: none;
    border: none;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--amboss-text-secondary);
    cursor: pointer;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
    font-family: inherit;
}
.rd-toggle-comments-btn:hover {
    color: var(--amboss-teal);
    background: rgba(5, 79, 87, 0.06);
}
.rd-comment-icon {
    display: inline-block;
    width: 14px;
    height: 14px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%235e7d82' viewBox='0 0 16 16'%3E%3Cpath d='M2.5 2A1.5 1.5 0 001 3.5v7A1.5 1.5 0 002.5 12H4v2.5l3.3-2.5H9.5A1.5 1.5 0 0011 10.5v-7A1.5 1.5 0 009.5 2h-7z'/%3E%3C/svg%3E") no-repeat center;
    opacity: 0.6;
}
.rd-comment-count {
    color: var(--amboss-teal);
}
.rd-comment-container {
    margin-top: 0.5rem;
    border-top: 1px solid var(--amboss-border);
    padding-top: 0.5rem;
}

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 768px) {
    .cm-vote-rail {
        width: 28px;
        min-width: 28px;
    }
    .cm-vote-arrow {
        width: 24px;
        height: 24px;
    }
    .cm-vote-arrow::before {
        border-left-width: 5px;
        border-right-width: 5px;
    }
    .cm-up::before { border-bottom-width: 7px; }
    .cm-down::before { border-top-width: 7px; }
    .cm-vote-score { font-size: 0.75rem; }
    .cm-threadline { padding-left: 0.5rem; }
}