:root,[data-theme=dark]{--bg-primary: #090a0f;--bg-secondary: #11131b;--bg-tertiary: #181b27;--bg-card: rgba(17, 19, 27, .82);--bg-card-hover: rgba(26, 29, 42, .9);--bg-input: #141722;--bg-modal: #11131b;--border-color: rgba(212, 175, 55, .22);--border-color-hover: rgba(229, 193, 88, .45);--border-color-glow: rgba(243, 229, 171, .6);--text-primary: #f8fafc;--text-secondary: #9ea4b5;--text-muted: #647087;--accent-primary: #e5c158;--accent-secondary: #d4af37;--accent-dark: #b8860b;--accent-hover: #f3e5ab;--accent-light: rgba(212, 175, 55, .14);--accent-gradient: linear-gradient(135deg, #f5eaaf 0%, #d4af37 50%, #b8860b 100%);--accent-gradient-hover: linear-gradient(135deg, #fff3c4 0%, #e5c158 50%, #c59b27 100%);--gold-glow: 0 0 16px rgba(212, 175, 55, .22);--gold-glow-lg: 0 0 28px rgba(229, 193, 88, .35);--success: #10b981;--warning: #f59e0b;--danger: #f43f5e;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .3);--shadow-md: 0 4px 18px -2px rgba(0, 0, 0, .5), 0 0 12px rgba(212, 175, 55, .1);--shadow-lg: 0 12px 36px -4px rgba(0, 0, 0, .7), 0 0 24px rgba(212, 175, 55, .18);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-full: 9999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-heading: "Outfit", sans-serif}[data-theme=light]{--bg-primary: #fcfbf7;--bg-secondary: #ffffff;--bg-tertiary: #f5f2e9;--bg-card: #ffffff;--bg-card-hover: #faf7ee;--bg-input: #f6f4ed;--bg-modal: #ffffff;--border-color: rgba(184, 134, 11, .25);--border-color-hover: rgba(197, 155, 39, .55);--border-color-glow: rgba(212, 175, 55, .75);--text-primary: #121318;--text-secondary: #4a5160;--text-muted: #828a9b;--accent-primary: #b8860b;--accent-secondary: #c59b27;--accent-dark: #966c04;--accent-hover: #d4af37;--accent-light: rgba(184, 134, 11, .12);--accent-gradient: linear-gradient(135deg, #d4af37 0%, #c59b27 50%, #966c04 100%);--accent-gradient-hover: linear-gradient(135deg, #e5c158 0%, #d4af37 50%, #b8860b 100%);--gold-glow: 0 0 14px rgba(184, 134, 11, .18);--gold-glow-lg: 0 0 24px rgba(184, 134, 11, .28);--shadow-sm: 0 2px 4px rgba(184, 134, 11, .06);--shadow-md: 0 6px 20px -2px rgba(184, 134, 11, .14), 0 2px 6px rgba(0, 0, 0, .04);--shadow-lg: 0 14px 36px -4px rgba(184, 134, 11, .2), 0 4px 14px rgba(0, 0, 0, .06)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden;line-height:1.5;-webkit-font-smoothing:antialiased;transition:background-color .3s ease,color .3s ease}.app-container{display:flex;height:100vh;width:100vw;overflow:hidden;position:relative;background-color:var(--bg-primary)}.sidebar{width:270px;background-color:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0;z-index:1200;transition:transform .3s cubic-bezier(.16,1,.3,1),background-color .3s ease,border-color .3s ease}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;background-color:var(--bg-primary);min-width:0}.top-bar{min-height:64px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 20px;background-color:var(--bg-secondary);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);gap:16px;z-index:100;transition:background-color .3s ease,border-color .3s ease}.page-body{flex:1;overflow-y:auto;padding:24px;position:relative}.brand-logo{height:36px;width:auto;object-fit:contain;filter:drop-shadow(0 2px 6px rgba(212,175,55,.3));transition:transform .2s ease}.brand-logo:hover{transform:scale(1.04)}.mobile-toggle-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--accent-light);color:var(--accent-primary);cursor:pointer;transition:all .25s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-sm);flex-shrink:0}.mobile-toggle-btn:hover{background:var(--accent-primary);color:#000;border-color:var(--accent-hover);box-shadow:var(--gold-glow);transform:translateY(-1px)}.mobile-toggle-btn:active{transform:scale(.95)}.sidebar-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#090a0fa6;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:1150;animation:fadeIn .25s ease forwards}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 18px;font-size:14px;font-weight:600;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);letter-spacing:.01em}.btn-primary{background:var(--accent-gradient);color:#0c0d12;border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 14px #d4af374d;font-weight:700}.btn-primary:hover{background:var(--accent-gradient-hover);box-shadow:var(--gold-glow-lg);transform:translateY(-1px)}.btn-primary:active{transform:scale(.98)}.btn-secondary{background-color:var(--bg-tertiary);border-color:var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background-color:var(--accent-light);border-color:var(--accent-primary);color:var(--accent-primary);transform:translateY(-1px)}.btn-danger{background-color:#f43f5e26;border:1px solid rgba(244,63,94,.3);color:var(--danger)}.btn-danger:hover{background-color:var(--danger);color:#fff;box-shadow:0 4px 12px #f43f5e4d}.theme-toggle-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-tertiary);color:var(--accent-primary);cursor:pointer;transition:all .2s ease}.theme-toggle-btn:hover{background:var(--accent-light);border-color:var(--accent-primary);box-shadow:var(--gold-glow);transform:rotate(15deg)}.card{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm);transition:all .25s cubic-bezier(.16,1,.3,1)}.card:hover{border-color:var(--border-color-hover);box-shadow:var(--shadow-md)}.input{width:100%;padding:10px 14px;background-color:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:14px;outline:none;transition:all .2s ease}.input:focus{border-color:var(--accent-primary);box-shadow:var(--gold-glow)}.input::placeholder{color:var(--text-muted)}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--radius-full);font-size:12px;font-weight:600;letter-spacing:.02em}.badge-unread{background:var(--accent-gradient);color:#0c0d12;box-shadow:0 2px 8px #d4af374d}.badge-offline{background-color:#f59e0b26;border:1px solid rgba(245,158,11,.3);color:var(--warning)}.badge-online{background-color:#10b98126;border:1px solid rgba(16,185,129,.3);color:var(--success)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#090a0fb3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px;animation:fadeIn .2s ease}.modal-content{background-color:var(--bg-modal);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;padding:28px;box-shadow:var(--shadow-lg)}.chat-page{display:flex;flex-direction:column;height:100%;min-height:0;gap:20px;width:100%}.chat-page__container{display:flex;gap:20px;flex:1;min-height:0;width:100%}.chat-sidebar{width:280px;max-width:100%;min-width:240px;display:flex;flex-direction:column;padding:16px;min-height:0}.chat-sidebar__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.chat-sidebar__header h3,.chat-main__header h3,.chat-modal-content h3{font-family:var(--font-heading);font-size:16px;font-weight:600}.chat-sidebar__new-room{padding:8px;min-width:38px}.chat-room-list{display:flex;flex-direction:column;gap:8px;overflow-y:auto;min-height:0}.chat-room-item{display:flex;align-items:center;justify-content:space-between;padding:12px;border-radius:var(--radius-md);background-color:var(--bg-input);border:1px solid transparent;color:var(--text-primary);font-weight:400;cursor:pointer;transition:all .2s ease}.chat-room-item:hover,.chat-room-item.selected{background-color:var(--accent-light);border-color:var(--border-color);color:var(--accent-primary);font-weight:600}.chat-room-item__title{display:flex;align-items:center;gap:10px}.chat-room-item__delete{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px}.chat-room-item__delete:hover{color:var(--danger);background-color:#f43f5e1a}.chat-main{flex:1;display:flex;flex-direction:column;padding:0;overflow:hidden;min-height:0}.chat-main__header{padding:16px 20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.chat-messages{flex:1;min-height:0;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.chat-message{display:flex;flex-direction:column;max-width:70%;padding:12px 16px;border-radius:var(--radius-md);font-size:14px;word-break:break-word}.chat-message.me{align-self:flex-end;margin-left:auto;background:var(--accent-gradient);color:#0c0d12;font-weight:500;box-shadow:0 4px 12px #d4af3740}.chat-message.other{align-self:flex-start;margin-right:auto;background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary)}.chat-message__sender{font-size:11px;font-weight:600;margin-bottom:4px;opacity:.85}.chat-message__body{line-height:1.5}.chat-input-row{padding:16px;border-top:1px solid var(--border-color);display:flex;gap:10px}.chat-input-row .input{flex:1}.chat-empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted);padding:20px}.chat-modal-content{max-width:420px}.chat-modal-form{display:flex;flex-direction:column;gap:14px}.chat-modal-form label{display:block;font-size:13px;margin-bottom:6px}.chat-modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:10px}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 900px){.chat-page__container{flex-direction:column}.chat-sidebar{width:100%;min-width:0}.chat-messages{padding:16px}.chat-message{max-width:88%}.chat-input-row{flex-direction:column}.chat-input-row .btn{width:100%}}@media (max-width: 768px){.top-bar{padding:0 14px;height:60px}.page-body{padding:16px 12px}.sidebar{position:fixed!important;top:0;left:0;height:100vh;width:280px;box-shadow:var(--shadow-lg)}.chat-sidebar{padding:12px}.chat-main__header,.chat-input-row,.chat-message{padding-left:12px;padding-right:12px}.chat-sidebar__header h3,.chat-main__header h3{font-size:15px}.chat-room-item{padding:10px}.chat-message{padding:10px 12px;font-size:13px}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.card-unread{border-left:4px solid var(--accent-secondary)!important;background:var(--accent-light)!important;box-shadow:0 0 14px #d4af3738!important;position:relative}.gold-unread-badge{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(135deg,#f59e0b,#d4af37,#b8860b);color:#0c0d12;font-size:11px;font-weight:700;padding:2px 8px;border-radius:var(--radius-full);box-shadow:0 0 10px #d4af3766;letter-spacing:.02em}.gold-unread-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-primary);box-shadow:0 0 8px var(--accent-primary);display:inline-block;flex-shrink:0}.attachment-count-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:var(--radius-full);background:var(--bg-tertiary);border:1px solid var(--border-color);font-size:12px;font-weight:600;color:var(--accent-primary);transition:all .2s ease}.attachment-count-badge:hover{border-color:var(--accent-primary);box-shadow:var(--gold-glow)}.thread-count-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:var(--radius-sm);background:#d4af3726;border:1px solid var(--border-color);font-size:11px;font-weight:600;color:var(--accent-primary)}.thread-container{display:flex;flex-direction:column;gap:16px;margin-top:16px}.thread-message-card{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}.thread-message-card.unread{border-left:4px solid var(--accent-secondary);background:var(--bg-card);box-shadow:0 0 10px #d4af3726}.thread-message-header{padding:14px 18px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;background:var(--bg-secondary);-webkit-user-select:none;user-select:none}.thread-message-header:hover{background:var(--bg-tertiary)}.thread-message-body{padding:18px;border-top:1px solid var(--border-color);background:var(--bg-card)}