/* ── Community Forum Styles ──────────────────────────────── */
:root {
  --cf-primary:   #5865f2;
  --cf-primary-d: #4752c4;
  --cf-bg:        #f4f5fb;
  --cf-card:      #ffffff;
  --cf-border:    #e2e5f1;
  --cf-text:      #2d3142;
  --cf-muted:     #7c8095;
  --cf-success:   #3ba55d;
  --cf-error:     #ed4245;
  --cf-radius:    12px;
}

/* ── Base ──────────────────────────────────────────────────── */
.cf-wrap * { box-sizing: border-box; }
.cf-wrap { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
           color: var(--cf-text); background: var(--cf-bg); min-height: 400px; }

/* ── Topbar ───────────────────────────────────────────────── */
.cf-topbar { background: var(--cf-primary); color: #fff; display: flex;
             align-items: center; justify-content: space-between;
             padding: 12px 20px; border-radius: var(--cf-radius) var(--cf-radius) 0 0; }
.cf-topbar-title { font-size: 18px; font-weight: 700; }
.cf-topbar-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cf-user-chip { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.cf-mini-avatar { width: 26px; height: 26px; border-radius: 50%; object-fit: cover;
                  border: 2px solid rgba(255,255,255,.5); }

/* ── Buttons ──────────────────────────────────────────────── */
.cf-btn { background: var(--cf-primary); color: #fff; border: none; border-radius: 8px;
          padding: 8px 16px; cursor: pointer; font-size: 13px; font-weight: 600;
          transition: background .2s; }
.cf-btn:hover { background: var(--cf-primary-d); }
.cf-btn-ghost { background: transparent; border: 1px solid rgba(255,255,255,.5); }
.cf-btn-ghost:hover { background: rgba(255,255,255,.1); }
.cf-btn-sm { padding: 5px 10px; font-size: 12px; }
.cf-btn-full { width: 100%; padding: 10px; font-size: 14px; }
.cf-back-btn { background: none; border: none; color: var(--cf-primary); cursor: pointer;
               font-size: 13px; font-weight: 600; padding: 10px 0; display: inline-block; }
.cf-back-btn:hover { text-decoration: underline; }
.cf-new-topic-btn { margin: 0 16px 12px; }

/* ── Cards ────────────────────────────────────────────────── */
.cf-card { background: var(--cf-card); border: 1px solid var(--cf-border);
           border-radius: var(--cf-radius); padding: 20px; margin: 12px 0; }

/* ── Inputs ───────────────────────────────────────────────── */
.cf-input, .cf-textarea {
  width: 100%; border: 1px solid var(--cf-border); border-radius: 8px;
  padding: 10px 12px; font-size: 14px; margin-bottom: 10px; font-family: inherit;
  transition: border .2s; }
.cf-input:focus, .cf-textarea:focus { outline: none; border-color: var(--cf-primary); }
.cf-input-sm { font-size: 13px; padding: 8px 10px; }
.cf-textarea { resize: vertical; }
.cf-form-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Messages ─────────────────────────────────────────────── */
.cf-msg { padding: 8px 12px; border-radius: 6px; font-size: 13px; margin-top: 8px; }
.cf-msg.success { background: #d4edda; color: #155724; }
.cf-msg.error   { background: #f8d7da; color: #721c24; }
.cf-loading { color: var(--cf-muted); padding: 24px; text-align: center; }

/* ── Views ────────────────────────────────────────────────── */
.cf-view { padding: 16px; }
.cf-logged-in { padding: 10px 16px; background: var(--cf-card); border-bottom: 1px solid var(--cf-border);
                display: flex; align-items: center; gap: 10px; }

/* ── Category cards ───────────────────────────────────────── */
.cf-cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.cf-cat-card { background: var(--cf-card); border: 1px solid var(--cf-border);
               border-radius: var(--cf-radius); padding: 18px; cursor: pointer;
               transition: box-shadow .2s, transform .15s; }
.cf-cat-card:hover { box-shadow: 0 4px 16px rgba(88,101,242,.15); transform: translateY(-2px); }
.cf-cat-icon { font-size: 28px; margin-bottom: 8px; }
.cf-cat-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.cf-cat-desc { font-size: 13px; color: var(--cf-muted); margin-bottom: 10px; }
.cf-cat-stats { font-size: 12px; color: var(--cf-muted); display: flex; gap: 12px; }

/* ── Topic list ───────────────────────────────────────────── */
.cf-topic-item { background: var(--cf-card); border: 1px solid var(--cf-border);
                 border-radius: var(--cf-radius); padding: 16px; margin-bottom: 10px;
                 cursor: pointer; transition: box-shadow .2s; }
.cf-topic-item:hover { box-shadow: 0 2px 12px rgba(0,0,0,.08); }
.cf-topic-title { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.cf-topic-meta  { font-size: 12px; color: var(--cf-muted); display: flex; gap: 14px; align-items: center; }
.cf-topic-avatar { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }
.cf-pinned-badge { background: var(--cf-primary); color: #fff; font-size: 10px;
                   padding: 2px 6px; border-radius: 4px; }

/* ── Topic detail ─────────────────────────────────────────── */
.cf-topic-post { background: var(--cf-card); border: 1px solid var(--cf-border);
                 border-radius: var(--cf-radius); padding: 20px; margin-bottom: 12px; }
.cf-post-header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.cf-post-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.cf-post-author { font-weight: 700; font-size: 14px; }
.cf-post-date   { font-size: 12px; color: var(--cf-muted); }
.cf-post-content { font-size: 14px; line-height: 1.65; }
.cf-reply-box { margin-top: 16px; }
.cf-login-prompt { text-align: center; color: var(--cf-muted); }

/* ── Media section ────────────────────────────────────────── */
.cf-media-upload, .cf-link-add {
  background: var(--cf-bg); border-radius: 8px; padding: 10px; margin-bottom: 10px; }
.cf-upload-label { display: inline-block; cursor: pointer; font-size: 13px;
                   color: var(--cf-primary); font-weight: 600; margin-bottom: 6px; }
.cf-media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
                 gap: 10px; margin-top: 12px; }
.cf-media-item { border-radius: 8px; overflow: hidden; position: relative; }
.cf-media-item img { width: 100%; height: 100px; object-fit: cover; display: block; }
.cf-media-caption { font-size: 11px; color: var(--cf-muted); padding: 4px 6px;
                    background: var(--cf-card); border: 1px solid var(--cf-border); }
.cf-link-item { display: flex; align-items: center; gap: 8px; padding: 8px;
                background: var(--cf-bg); border-radius: 8px; margin-bottom: 6px;
                font-size: 13px; }
.cf-link-item a { color: var(--cf-primary); text-decoration: none; font-weight: 600; }

/* ── Profile ──────────────────────────────────────────────── */
.cf-profile-wrap { padding: 0 0 20px; }
.cf-cover { height: 200px; background: linear-gradient(135deg, #5865f2, #8b5cf6);
            background-size: cover; background-position: center; border-radius: var(--cf-radius);
            position: relative; margin-bottom: 0; display: flex; align-items: flex-end; padding: 12px; }
.cf-cover-upload-btn { cursor: pointer; background: rgba(0,0,0,.5); color: #fff;
                       border-radius: 6px; padding: 6px 12px; font-size: 12px; font-weight: 600;
                       margin-left: auto; }
.cf-profile-header { display: flex; align-items: flex-end; gap: 16px; padding: 0 16px;
                     margin-top: -50px; flex-wrap: wrap; }
.cf-avatar-wrap { position: relative; }
.cf-avatar-lg { width: 100px; height: 100px; border-radius: 50%; object-fit: cover;
                border: 4px solid var(--cf-card); box-shadow: 0 2px 8px rgba(0,0,0,.15); }
.cf-avatar-edit { position: absolute; bottom: 4px; right: 4px; background: var(--cf-primary);
                  color: #fff; border-radius: 50%; width: 26px; height: 26px; display: flex;
                  align-items: center; justify-content: center; cursor: pointer; font-size: 12px; }
.cf-logo-wrap { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.cf-logo-img { width: 60px; height: 60px; object-fit: contain; border-radius: 8px;
               border: 2px solid var(--cf-border); background: var(--cf-card); }
.cf-logo-placeholder { width: 60px; height: 60px; border-radius: 8px;
                       background: var(--cf-border); display: flex; align-items: center;
                       justify-content: center; font-size: 11px; color: var(--cf-muted); }
.cf-logo-edit-btn { cursor: pointer; font-size: 11px; color: var(--cf-primary); font-weight: 600; }
.cf-profile-name { flex: 1; padding-top: 50px; }
.cf-profile-name h2 { margin: 0 0 4px; font-size: 20px; }
.cf-profile-email { font-size: 13px; color: var(--cf-muted); display: block; }
.cf-profile-website { font-size: 13px; color: var(--cf-primary); text-decoration: none;
                      display: block; margin-top: 4px; }
.cf-profile-body { margin: 16px; }
.cf-bio-text { font-size: 14px; color: var(--cf-text); line-height: 1.6; margin-bottom: 12px; }

/* ── Gallery ──────────────────────────────────────────────── */
.cf-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; }
.cf-gallery img { width: 100%; height: 110px; object-fit: cover; border-radius: 8px; cursor: pointer;
                  transition: transform .2s; }
.cf-gallery img:hover { transform: scale(1.03); }

/* ── Modal ────────────────────────────────────────────────── */
#cf-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 9998; }
#cf-modal { position: fixed; top: 50%; left: 50%; transform: translate(-50%,-50%);
            background: var(--cf-card); border-radius: var(--cf-radius); padding: 28px;
            z-index: 9999; width: min(420px, 95vw); max-height: 90vh; overflow-y: auto;
            box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.cf-modal-close { position: absolute; top: 12px; right: 14px; background: none; border: none;
                  font-size: 18px; cursor: pointer; color: var(--cf-muted); }

/* ── Auth tabs ────────────────────────────────────────────── */
.cf-auth-tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 2px solid var(--cf-border); }
.cf-tab { background: none; border: none; padding: 8px 16px; cursor: pointer; font-size: 14px;
          font-weight: 600; color: var(--cf-muted); border-bottom: 2px solid transparent;
          margin-bottom: -2px; transition: color .2s; }
.cf-tab.active { color: var(--cf-primary); border-bottom-color: var(--cf-primary); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 600px) {
  .cf-cat-grid { grid-template-columns: 1fr; }
  .cf-profile-header { flex-direction: column; align-items: flex-start; }
  .cf-cover { height: 140px; }
}