/* ===== FEATURES CSS - All 25 Key Features ===== */

/* === Feature 1: Profile Cover Photo & Customization === */
.profile-cover{width:100%;height:200px;border-radius:20px 20px 0 0;background:linear-gradient(135deg,#001a00,#003300,#00ff0033);background-size:cover;background-position:center;position:relative;overflow:hidden}
.profile-cover img{width:100%;height:100%;object-fit:cover}
.cover-edit-btn{position:absolute;bottom:12px;right:12px;background:rgba(0,0,0,.6);color:#00ff00;border:1px solid rgba(0,255,0,.4);padding:6px 14px;border-radius:20px;cursor:pointer;font-size:12px;backdrop-filter:blur(8px)}
.cover-edit-btn:hover{background:rgba(0,255,0,.2)}
.profile-pic-wrapper{position:relative;margin-top:-50px;z-index:2;display:inline-block}

/* === Feature 9: Star-Shaped Profile Picture === */
.star-profile-pic{width:100px;height:100px;clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);background-size:cover;background-position:center;filter:drop-shadow(0 0 8px rgba(0,255,0,.5)) drop-shadow(0 0 16px rgba(0,255,0,.25));transition:transform .3s,filter .3s;cursor:pointer}
.star-profile-pic:hover{transform:scale(1.08);filter:drop-shadow(0 0 12px rgba(0,255,0,.7)) drop-shadow(0 0 24px rgba(0,255,0,.4));animation:starPulse 1.5s ease infinite}
@keyframes starPulse{0%,100%{filter:drop-shadow(0 0 8px rgba(0,255,0,.5)) drop-shadow(0 0 16px rgba(0,255,0,.25))}50%{filter:drop-shadow(0 0 14px rgba(0,255,0,.8)) drop-shadow(0 0 28px rgba(0,255,0,.5))}}
.star-profile-pic.large{width:120px;height:120px}
.star-profile-pic.small{width:44px;height:44px}
.star-profile-pic.mini{width:32px;height:32px}
.chat-avatar.star-avatar{clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);filter:drop-shadow(0 0 4px rgba(0,255,0,.3))}

/* === Feature 10: Interactive Bio Section === */
.interactive-bio{padding:16px 0}
.bio-word{display:inline-block;opacity:0;transform:translateY(10px);animation:bioFadeIn .5s ease forwards;color:#e0e0e0;font-size:15px;margin:0 3px 4px 0;line-height:1.6}
.bio-word.hashtag{color:#00ff00;font-weight:600;cursor:pointer}
.bio-word.hashtag:hover{text-decoration:underline}
.bio-word.mention{color:#4fc3f7;font-weight:500;cursor:pointer}
.bio-word.mention:hover{text-decoration:underline}
.bio-word.emoji{font-size:18px;transform:none;animation:bioPopIn .4s ease forwards}
@keyframes bioFadeIn{to{opacity:1;transform:translateY(0)}}
@keyframes bioPopIn{0%{opacity:0;transform:scale(0)}60%{transform:scale(1.3)}100%{opacity:1;transform:scale(1)}}

/* === Feature 3: Read Receipts (Lime Green) === */
.read-receipt{font-size:11px;font-weight:600;margin-left:6px;letter-spacing:.5px}
.read-receipt.offline{color:#00ff00}
.read-receipt.unread{color:#00ff00}
.read-receipt.read{color:#00ff00}
.read-receipt.delivered{color:rgba(0,255,0,.5)}
.read-receipt.sent{color:rgba(0,255,0,.3)}
.msg-receipt{display:flex;align-items:center;gap:4px;font-size:10px;margin-top:2px}
.msg-receipt .receipt-icon{font-size:11px}
.msg-receipt.read .receipt-icon{color:#00ff00}
.msg-receipt.delivered .receipt-icon{color:rgba(0,255,0,.5)}
.msg-receipt.sent .receipt-icon{color:rgba(0,255,0,.3)}
.chat-status-text{font-size:11px;font-weight:600;color:#00ff00}
.online-status-dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:4px}
.online-status-dot.online{background:#00ff00;box-shadow:0 0 6px #00ff00}
.online-status-dot.offline{background:#888}

/* === Feature 4: Message Scheduling === */
.schedule-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);display:none;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(4px)}
.schedule-modal.active{display:flex}
.schedule-content{background:linear-gradient(135deg,#0a0a0a,#1a1a1a);border:1px solid rgba(0,255,0,.3);border-radius:20px;padding:24px;width:90%;max-width:400px}
.schedule-content h3{color:#00ff00;margin-bottom:16px;font-size:18px}
.schedule-input{width:100%;padding:12px;border-radius:10px;border:1px solid rgba(0,255,0,.3);background:rgba(255,255,255,.05);color:inherit;font-size:14px;margin-bottom:12px}
.schedule-input:focus{border-color:#00ff00;outline:none}
.schedule-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}
.schedule-btn{padding:10px 20px;border-radius:10px;border:none;cursor:pointer;font-weight:600;font-size:14px}
.schedule-btn.primary{background:#00ff00;color:#000}
.schedule-btn.secondary{background:rgba(255,255,255,.1);color:#ccc;border:1px solid rgba(255,255,255,.2)}
.scheduled-badge{background:rgba(0,255,0,.15);color:#00ff00;font-size:10px;padding:3px 8px;border-radius:8px;display:inline-flex;align-items:center;gap:4px}

/* === Feature 6: Private Account Toggle === */
.account-type-card{background:rgba(255,255,255,.08);border:1px solid rgba(0,255,0,.2);border-radius:16px;padding:20px;margin-bottom:16px}
.account-type-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.account-type-badge{padding:4px 12px;border-radius:12px;font-size:12px;font-weight:700}
.account-type-badge.public{background:rgba(0,255,0,.15);color:#00ff00}
.account-type-badge.private{background:rgba(255,165,0,.15);color:#ffa500}
.friend-request-card{background:rgba(255,255,255,.05);border:1px solid rgba(0,255,0,.15);border-radius:12px;padding:12px;display:flex;align-items:center;gap:12px;margin-bottom:8px}
.friend-request-actions{display:flex;gap:6px;margin-left:auto}
.friend-request-actions button{padding:6px 14px;border-radius:8px;border:none;cursor:pointer;font-size:12px;font-weight:600}
.approve-btn{background:#00ff00;color:#000}
.reject-btn{background:rgba(255,100,100,.15);color:#ff6464}

/* === Feature 7: Explore Page === */
.explore-search{display:flex;gap:8px;margin-bottom:20px}
.explore-search input{flex:1;padding:12px 16px;border-radius:25px;border:1px solid rgba(0,255,0,.3);background:rgba(255,255,255,.08);color:inherit;font-size:15px}
.explore-search input:focus{border-color:#00ff00;outline:none}
.explore-categories{display:flex;gap:8px;overflow-x:auto;margin-bottom:20px;padding-bottom:4px}
.explore-cat-btn{padding:8px 18px;border-radius:20px;border:1px solid rgba(0,255,0,.3);background:none;color:inherit;cursor:pointer;font-weight:600;font-size:13px;white-space:nowrap;transition:.2s}
.explore-cat-btn.active{background:#00ff00;color:#000;border-color:#00ff00}
.explore-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.explore-card{background:rgba(255,255,255,.08);border:1px solid rgba(0,255,0,.15);border-radius:16px;overflow:hidden;cursor:pointer;transition:.2s}
.explore-card:hover{border-color:rgba(0,255,0,.4);transform:translateY(-2px)}
.explore-card-img{width:100%;height:180px;object-fit:cover;background:rgba(0,255,0,.05)}
.explore-card-body{padding:14px}
.explore-card-title{font-weight:700;font-size:15px;margin-bottom:4px}
.explore-card-meta{font-size:12px;color:#888;display:flex;gap:12px}
.explore-card-tags{display:flex;gap:4px;flex-wrap:wrap;margin-top:8px}
.explore-card-tag{font-size:10px;padding:3px 8px;border-radius:10px;background:rgba(0,255,0,.1);color:#00ff00}
.explore-location{display:flex;align-items:center;gap:4px;font-size:12px;color:#aaa;margin-top:6px}

/* === Feature 8: TT Trending Search === */
.tt-search-bar{position:relative;margin-bottom:20px}
.tt-search-bar input{width:100%;padding:14px 20px 14px 44px;border-radius:25px;border:2px solid rgba(0,255,0,.3);background:rgba(255,255,255,.08);color:inherit;font-size:15px}
.tt-search-bar input:focus{border-color:#00ff00;outline:none;box-shadow:0 0 20px rgba(0,255,0,.15)}
.tt-search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:18px}
.tt-search-results{background:rgba(10,10,10,.95);border:1px solid rgba(0,255,0,.3);border-radius:16px;padding:8px;margin-top:8px;display:none}
.tt-search-results.active{display:block}
.tt-result-item{display:flex;align-items:center;gap:12px;padding:10px;border-radius:12px;cursor:pointer;transition:.15s}
.tt-result-item:hover{background:rgba(0,255,0,.1)}
.tt-result-type{font-size:9px;padding:2px 8px;border-radius:8px;font-weight:700}
.tt-result-type.hashtag{background:rgba(0,255,0,.15);color:#00ff00}
.tt-result-type.profile{background:rgba(33,150,243,.15);color:#2196f3}
.tt-result-type.keyword{background:rgba(255,165,0,.15);color:#ffa500}
.in-chat-search{background:rgba(0,0,0,.9);border:1px solid rgba(0,255,0,.3);border-radius:12px;padding:12px;margin:8px;display:none}
.in-chat-search.active{display:block}
.in-chat-search input{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(0,255,0,.2);background:rgba(255,255,255,.05);color:inherit;font-size:14px}

/* === Feature 11: Customizable Themes === */
.theme-picker{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}
.theme-option{width:100%;aspect-ratio:1;border-radius:12px;cursor:pointer;border:3px solid transparent;transition:.2s;position:relative;overflow:hidden}
.theme-option.active{border-color:#00ff00}
.theme-option:hover{transform:scale(1.05)}
.theme-option.fall{background:linear-gradient(135deg,#ff6b35,#f7c59f,#efa94a)}
.theme-option.winter{background:linear-gradient(135deg,#74b9ff,#a29bfe,#dfe6e9)}
.theme-option.spring{background:linear-gradient(135deg,#00ff00,#55efc4,#81ecec)}
.theme-option.sunset{background:linear-gradient(135deg,#e17055,#fdcb6e,#6c5ce7)}
.theme-option.ocean{background:linear-gradient(135deg,#0984e3,#00cec9,#6c5ce7)}
.theme-option.dark{background:linear-gradient(135deg,#1a1a1a,#2d3436,#636e72)}
.theme-option.neon{background:linear-gradient(135deg,#00ff00,#ff00ff,#00ffff)}
.theme-option.custom{background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:24px;border:2px dashed rgba(0,255,0,.3)}
.chat-wallpaper{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;background-size:cover;background-position:center;opacity:.15}

/* === Feature 12: Content Collaboration === */
.collab-badge{display:inline-flex;align-items:center;gap:4px;background:rgba(0,255,0,.1);color:#00ff00;padding:4px 10px;border-radius:10px;font-size:11px;font-weight:600}
.collab-invite{background:rgba(255,255,255,.08);border:1px solid rgba(0,255,0,.2);border-radius:14px;padding:16px;margin-bottom:12px}
.collab-users{display:flex;margin-left:-8px}
.collab-users img{width:32px;height:32px;border-radius:50%;border:2px solid #0a0a0a;margin-left:-8px}

/* === Feature 13: Custom Chat Theme === */
.chat-theme-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.8);display:none;align-items:center;justify-content:center;z-index:1000}
.chat-theme-modal.active{display:flex}
.chat-theme-content{background:#1a1a1a;border:1px solid rgba(0,255,0,.3);border-radius:20px;padding:24px;width:90%;max-width:420px}
.wallpaper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.wallpaper-option{aspect-ratio:.7;border-radius:12px;cursor:pointer;border:3px solid transparent;transition:.2s;background-size:cover;background-position:center}
.wallpaper-option.active{border-color:#00ff00}
.wallpaper-option:hover{transform:scale(1.03)}

/* === Feature 15: Screen Sharing === */
.screen-share-btn{background:rgba(0,255,0,.15);border:1px solid rgba(0,255,0,.3);color:#00ff00;padding:8px 16px;border-radius:10px;cursor:pointer;display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600}
.screen-share-indicator{background:#ff4444;color:#fff;padding:4px 10px;border-radius:8px;font-size:11px;font-weight:700;display:none;animation:screenShareBlink 1.5s infinite}
.screen-share-indicator.active{display:flex;align-items:center;gap:4px}
@keyframes screenShareBlink{0%,100%{opacity:1}50%{opacity:.5}}

/* === Feature 16: Live Emojis/GIFs/Stickers === */
.emoji-sticker-panel{background:#111;border:1px solid rgba(0,255,0,.3);border-radius:16px 16px 0 0;padding:0;max-height:320px;display:none;flex-direction:column;position:absolute;bottom:60px;left:0;right:0;z-index:100}
.emoji-sticker-panel.active{display:flex}
.esp-tabs{display:flex;border-bottom:1px solid rgba(0,255,0,.2)}
.esp-tab{flex:1;padding:10px;text-align:center;cursor:pointer;font-size:13px;font-weight:600;border:none;background:none;color:#888;transition:.2s}
.esp-tab.active{color:#00ff00;border-bottom:2px solid #00ff00}
.esp-content{overflow-y:auto;padding:12px;flex:1}
.gif-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.gif-item{border-radius:10px;overflow:hidden;cursor:pointer;transition:.2s;aspect-ratio:1;background:rgba(0,255,0,.05)}
.gif-item:hover{transform:scale(1.05)}
.gif-item img{width:100%;height:100%;object-fit:cover}
.sticker-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.sticker-item{font-size:40px;text-align:center;cursor:pointer;padding:8px;border-radius:12px;transition:.2s}
.sticker-item:hover{background:rgba(0,255,0,.1);transform:scale(1.15)}

/* === Feature 17: Activity/Announcement Scheduling === */
.post-schedule-bar{display:flex;align-items:center;gap:8px;padding:10px 16px;background:rgba(0,255,0,.05);border-radius:12px;margin-top:12px}
.post-schedule-bar button{background:rgba(0,255,0,.15);border:1px solid rgba(0,255,0,.3);color:#00ff00;padding:6px 14px;border-radius:8px;cursor:pointer;font-size:12px;font-weight:600}

/* === Feature 18: Tagging === */
.tag-input-area{display:flex;flex-wrap:wrap;gap:6px;padding:10px;border:1px solid rgba(0,255,0,.2);border-radius:12px;margin-top:8px;min-height:42px;align-items:center}
.tag-chip{display:inline-flex;align-items:center;gap:4px;background:rgba(0,255,0,.15);color:#00ff00;padding:4px 10px;border-radius:16px;font-size:12px;font-weight:600}
.tag-chip.person{background:rgba(33,150,243,.15);color:#2196f3}
.tag-chip.location{background:rgba(255,165,0,.15);color:#ffa500}
.tag-chip.topic{background:rgba(0,255,0,.15);color:#00ff00}
.tag-chip .tag-remove{cursor:pointer;font-size:14px;margin-left:2px;opacity:.7}
.tag-chip .tag-remove:hover{opacity:1}
.tag-suggestions{background:#111;border:1px solid rgba(0,255,0,.2);border-radius:10px;padding:6px;margin-top:4px;display:none}
.tag-suggestions.active{display:block}
.tag-suggestion-item{padding:8px 12px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:8px;font-size:13px}
.tag-suggestion-item:hover{background:rgba(0,255,0,.1)}

/* === Feature 19: TT Topics Creation === */
.create-topic-btn{background:#00ff00;color:#000;padding:10px 20px;border-radius:12px;border:none;cursor:pointer;font-weight:700;font-size:14px;display:flex;align-items:center;gap:6px}
.create-topic-btn:hover{background:#33ff33}

/* === Feature 20: Collage & Media Grid === */
.media-collage{display:grid;gap:4px;border-radius:16px;overflow:hidden}
.media-collage.grid-2{grid-template-columns:1fr 1fr}
.media-collage.grid-3{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
.media-collage.grid-3 .collage-item:first-child{grid-row:1/3}
.media-collage.grid-4{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
.media-collage.star-shape{clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
.media-collage.heart-shape{clip-path:url(#heartClip)}
.collage-item{overflow:hidden;position:relative;min-height:120px;background:rgba(0,255,0,.05)}
.collage-item img{width:100%;height:100%;object-fit:cover}
.collage-more{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;font-weight:bold}

/* === Feature 21: Personalized/AI Recommendations === */
.ai-recommendations{margin-bottom:20px}
.ai-rec-header{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.ai-rec-header span{font-size:14px;font-weight:600}
.ai-badge{background:linear-gradient(135deg,#00ff00,#00cc88);color:#000;padding:3px 8px;border-radius:8px;font-size:10px;font-weight:700}
.ai-rec-scroll{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px}
.ai-rec-card{min-width:200px;background:rgba(255,255,255,.08);border:1px solid rgba(0,255,0,.15);border-radius:14px;overflow:hidden;cursor:pointer;transition:.2s;flex-shrink:0}
.ai-rec-card:hover{border-color:rgba(0,255,0,.4);transform:translateY(-2px)}

/* === Feature 22: Content Visibility === */
.visibility-selector{display:flex;gap:8px;margin-top:8px}
.visibility-option{padding:8px 16px;border-radius:12px;border:1px solid rgba(0,255,0,.2);background:none;color:inherit;cursor:pointer;font-size:12px;font-weight:600;transition:.2s;display:flex;align-items:center;gap:4px}
.visibility-option.active{background:#00ff00;color:#000;border-color:#00ff00}
.visibility-option:hover{border-color:#00ff00}

/* === Feature 23: Block/Report === */
.block-report-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.8);display:none;align-items:center;justify-content:center;z-index:1000}
.block-report-modal.active{display:flex}
.block-report-content{background:#1a1a1a;border:1px solid rgba(255,100,100,.3);border-radius:20px;padding:24px;width:90%;max-width:400px}
.report-option{display:flex;align-items:center;gap:10px;padding:12px;border-radius:12px;cursor:pointer;transition:.15s;border:1px solid transparent}
.report-option:hover{background:rgba(255,100,100,.1);border-color:rgba(255,100,100,.2)}
.report-option input[type=radio]{accent-color:#ff4444}

/* === Feature 24: Data Management === */
.data-mgmt-section{background:rgba(255,255,255,.05);border:1px solid rgba(255,100,100,.15);border-radius:16px;padding:20px;margin-top:16px}
.data-action-btn{display:flex;align-items:center;gap:8px;width:100%;padding:14px;border-radius:12px;border:none;cursor:pointer;font-size:14px;font-weight:500;background:rgba(255,255,255,.05);color:inherit;margin-bottom:8px;transition:.15s;text-align:left}
.data-action-btn:hover{background:rgba(255,255,255,.1)}
.data-action-btn.danger{border:1px solid rgba(255,68,68,.3)}
.data-action-btn.danger:hover{background:rgba(255,68,68,.1)}
.cookie-manager{background:rgba(255,255,255,.05);border-radius:12px;padding:14px;margin-top:12px}

/* === Feature 25: Home Screen Tabs (Unread + Pinned) === */
.message-tab.unread-tab{position:relative}
.message-tab .tab-badge{background:#ff4444;color:#fff;font-size:10px;min-width:16px;height:16px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;margin-left:4px;padding:0 4px}
.chat-item.pinned{border-left:3px solid #00ff00;background:rgba(0,255,0,.03)}
.chat-item.pinned .pin-icon{color:#00ff00;font-size:12px;margin-left:4px}
.chat-item .chat-actions-btn{display:none;background:none;border:none;font-size:16px;cursor:pointer;padding:4px;color:#888}
.chat-item:hover .chat-actions-btn{display:block}
.chat-context-menu{position:absolute;background:#1a1a1a;border:1px solid rgba(0,255,0,.3);border-radius:12px;padding:6px;z-index:100;min-width:160px;box-shadow:0 8px 30px rgba(0,0,0,.5)}
.chat-context-menu .ctx-item{padding:10px 14px;border-radius:8px;cursor:pointer;font-size:13px;display:flex;align-items:center;gap:8px;transition:.15s}
.chat-context-menu .ctx-item:hover{background:rgba(0,255,0,.1)}
.chat-context-menu .ctx-item.danger{color:#ff4444}
.chat-context-menu .ctx-item.danger:hover{background:rgba(255,68,68,.1)}