:root{--bg-color: #0f172a;--card-bg: #1e293b;--input-bg: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-color: #3b82f6;--accent-hover: #2563eb;--border-color: #334155;--error-color: #ef4444;--nav-width: 250px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:var(--input-bg);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:color .2s}a:hover{color:var(--accent-color)}button{cursor:pointer;border:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.p-2{padding:.5rem}.p-4{padding:1rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-4{gap:1rem}.gap-2{gap:.5rem}.mb-4{margin-bottom:1rem}.flex-wrap{flex-wrap:wrap}.w-full{width:100%}.h-full{height:100%}.flex-1{flex:1;min-height:0}.relative{position:relative}.hidden-mobile{display:none}.hidden-desktop{display:block}@media(min-width:769px){.hidden-mobile{display:block}.hidden-desktop{display:none}}.form-group{margin-bottom:1.25rem}.label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-size:.9rem;font-weight:500}.input{width:100%;padding:.75rem 1rem;background-color:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:1rem;transition:all .2s ease}.input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #3b82f633}.input::placeholder{color:var(--text-secondary);opacity:.7}.btn{padding:.75rem 1.5rem;border-radius:8px;font-weight:600;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-size:1rem}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.btn-secondary{background-color:#fff;color:#1f2937;border:1px solid #e2e8f0}.btn-secondary:hover{background-color:#f8fafc;transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary);background:#ffffff0d}.btn-icon{padding:.5rem;background:none;color:var(--text-secondary);border-radius:50%}.btn-icon:hover{background:#ffffff0d;color:var(--text-primary)}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:2rem;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg-color)}.auth-card{width:100%;max-width:420px;background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:2rem;box-shadow:0 10px 15px -3px #0000004d,0 4px 6px -2px #0000001a}.auth-card h2{text-align:center;margin-bottom:1.5rem;color:var(--text-primary);font-size:1.75rem;font-weight:700}.auth-card input{width:100%;padding:.75rem 1rem;margin-bottom:1rem;background-color:var(--input-bg);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:1rem;transition:all .2s ease}.auth-card input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #3b82f633}.auth-card button{width:100%;padding:.75rem;border:none;background:var(--accent-color);color:#fff;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;transition:background-color .2s;margin-top:.5rem}.auth-card button:hover{background:var(--accent-hover)}.auth-link{text-align:center;margin-top:1.5rem;color:var(--text-secondary);font-size:.9rem}.auth-link a{color:var(--accent-color);font-weight:500;margin-left:.25rem}.auth-link a:hover{text-decoration:underline}.avatar{border-radius:50%;object-fit:cover;flex-shrink:0}.alert{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem}.alert-error{background-color:#ef44441a;border:1px solid rgba(239,68,68,.2);color:var(--error-color)}.app-header{position:fixed;top:0;left:0;width:100%;height:60px;background:var(--card-bg);border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;padding:0 2rem;z-index:100}.header-brand{display:flex;align-items:center;gap:1rem}.header-logo{height:40px;width:auto;object-fit:contain}.header-brand h1{font-size:1.5rem;font-weight:700;color:var(--text-primary)}.header-profile{cursor:pointer;border-radius:50%;border:2px solid transparent;transition:all .2s}.header-profile:hover{border-color:var(--accent-color);box-shadow:0 0 0 2px #3b82f633}.app-layout{display:flex;min-height:100vh;padding-top:60px}.sidebar{width:var(--nav-width);background:var(--card-bg);border-right:1px solid var(--border-color);padding:2rem;position:fixed;top:60px;height:calc(100vh - 60px);display:flex;flex-direction:column;z-index:50;transition:transform .3s ease}.sidebar-nav{display:flex;flex-direction:column;gap:.5rem}.sidebar-nav a{display:flex;align-items:center;gap:.75rem;padding:1rem;border-radius:8px;color:var(--text-secondary);font-weight:500;transition:all .2s ease;border-left:3px solid transparent}.sidebar-nav a:hover{background:transparent;color:var(--text-secondary);transform:none}.sidebar-nav a.active{background:#3b82f61a;color:var(--accent-hover);border-left-color:var(--accent-hover);text-shadow:0 1px 3px rgba(0,0,0,.3);font-weight:600}.sidebar-footer{margin-top:auto}.sidebar-header{display:none}.main-content{flex:1;margin-left:var(--nav-width);padding:2rem;max-width:1000px;width:100%}.main-content.no-padding{padding:0;max-width:none}@media(max-width:768px){.app-layout{flex-direction:column;padding-bottom:70px;padding-top:60px}.app-header{padding:0 1rem}.sidebar{width:100%;height:auto;position:fixed;bottom:0;top:auto;left:0;padding:.5rem;border-right:none;border-top:1px solid var(--border-color);flex-direction:row;justify-content:space-around;align-items:center;z-index:100}.sidebar-header{display:none}.sidebar-nav{flex-direction:row;width:100%;justify-content:space-around}.sidebar-nav a{flex-direction:column;gap:.25rem;padding:.5rem;font-size:.7rem}.sidebar-nav a svg{font-size:1.2rem}.sidebar-footer{display:none}.main-content{margin-left:0;padding:1rem;margin-bottom:70px;max-width:100%}}.messages-container{display:flex;height:calc(100vh - 60px);width:100%;overflow:hidden;background:var(--bg-color)}.messages-list{width:350px;display:flex;flex-direction:column;background:#1e293bb3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-right:1px solid var(--border-color);flex-shrink:0;min-height:0;height:100%;overflow:hidden}.messages-list h3{padding-left:10px}.user-list-item{display:flex;align-items:center;gap:1rem;padding:.75rem 1rem;margin-bottom:.25rem;cursor:pointer;border-radius:12px;transition:all .2s ease;border:1px solid transparent}.user-list-item:hover{background:#ffffff08;border-color:#ffffff0d}.user-list-item.active{background:#3b82f61a;border-color:var(--accent-color);box-shadow:0 4px 12px #3b82f61a}.user-list-item .user-info{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}.user-list-item .top-row{display:flex;justify-content:space-between;align-items:baseline;gap:.5rem;margin-bottom:.2rem}.user-list-item h4{font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.95rem;margin:0}.user-list-item .time{font-size:.75rem;color:var(--text-secondary);white-space:nowrap;flex-shrink:0}.user-list-item p{font-size:.85rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0}.user-list-item.active p{color:var(--text-primary);opacity:.9}.chat-window{flex:1;display:flex;flex-direction:column;background-image:radial-gradient(at 0% 0%,rgba(59,130,246,.05) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(139,92,246,.05) 0px,transparent 50%);background-color:var(--bg-color);position:relative;height:100%;overflow:hidden}.chat-header{padding:1rem 1.5rem;border-bottom:1px solid var(--border-color);background:#1e293bf2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;justify-content:space-between;align-items:center;box-shadow:0 4px 6px -1px #0000001a;z-index:10}.chat-header h3{font-size:1.1rem;font-weight:600}.chat-messages-area{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:1rem;scrollbar-width:thin;scrollbar-color:var(--input-bg) transparent}.message-bubble{max-width:75%;padding:.85rem 1.25rem;position:relative;word-break:break-word;font-size:.95rem;line-height:1.5;box-shadow:0 2px 4px #0000001a}.message-bubble.me{align-self:flex-end;background:linear-gradient(135deg,var(--accent-color),var(--accent-hover));color:#fff;border-radius:18px 18px 4px}.message-bubble.them{align-self:flex-start;background:#334155;color:#e2e8f0;border-radius:18px 18px 18px 4px}.message-bubble .message-actions{opacity:0;transition:opacity .2s}.message-bubble:hover .message-actions{opacity:1}.chat-input-area{padding:1rem;border-top:1px solid var(--border-color);display:flex;gap:1rem;background:var(--bg-color);position:sticky;bottom:0;z-index:5}.chat-input-wrapper{background:var(--input-bg);border-radius:24px;padding:.5rem 1rem;display:flex;align-items:center;gap:.5rem;border:1px solid var(--border-color);transition:all .2s}.chat-input-wrapper:focus-within{border-color:var(--accent-color);box-shadow:0 0 0 2px #3b82f633}@media(max-width:768px){.messages-container{height:calc(100vh - 130px);position:relative}.messages-list{width:100%;height:100%;position:absolute;z-index:10;background:var(--bg-color);transition:transform .3s cubic-bezier(.4,0,.2,1)}.chat-window{width:100%;height:100%;position:absolute;z-index:20;background:var(--bg-color);transform:translate(100%);transition:transform .3s cubic-bezier(.4,0,.2,1)}.messages-mobile-view-list .messages-list{transform:translate(0)}.messages-mobile-view-list .chat-window{transform:translate(100%)}.messages-mobile-view-chat .messages-list{transform:translate(-20%);opacity:.5}.messages-mobile-view-chat .chat-window{transform:translate(0)}}.post-image{width:100%;max-height:500px;object-fit:cover;border-radius:8px;margin-top:1rem;border:1px solid var(--border-color)}.profile-header{display:flex;align-items:center;gap:1.5rem;margin-bottom:2rem}.profile-info{min-width:0;flex:1}.profile-name{font-size:1.5rem;margin-bottom:.5rem;word-break:break-word;overflow-wrap:break-word;line-height:1.2}@media(max-width:480px){.profile-header{flex-direction:column;text-align:center;gap:1rem}}.upload-area{display:block;width:100%;border:2px dashed var(--border-color);border-radius:16px;padding:3rem 2rem;text-align:center;cursor:pointer;transition:all .3s ease;background:#ffffff03;margin-top:1rem}.upload-area:hover{border-color:var(--accent-color);background:#3b82f614;transform:translateY(-2px)}.upload-placeholder{display:flex;flex-direction:column;align-items:center;gap:.75rem}.upload-icon-wrapper{width:60px;height:60px;border-radius:50%;background:var(--input-bg);display:flex;align-items:center;justify-content:center;color:var(--accent-color);transition:all .3s ease}.upload-area:hover .upload-icon-wrapper{background:var(--accent-color);color:#fff;transform:scale(1.1);box-shadow:0 4px 15px #3b82f666}.hidden{display:none}.loader-container{display:flex;justify-content:center;align-items:center;background-color:var(--bg-color)}.loader-container.fixed{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:9999}.loader-container.block{width:100%;height:100%;min-height:200px;position:relative;background-color:transparent}.loader-logo{width:80px;height:auto;animation:pulse 2s infinite ease-in-out}@keyframes pulse{0%{transform:scale(.95);opacity:.7}50%{transform:scale(1.05);opacity:1}to{transform:scale(.95);opacity:.7}}.header-search-container{position:relative;flex:1;max-width:400px;margin:0 1rem}.search-input-wrapper{position:relative;display:flex;align-items:center;background:var(--input-bg);border-radius:20px;padding:.5rem 1rem;border:1px solid transparent;transition:all .2s}.search-input-wrapper:focus-within{border-color:var(--accent-color);background:var(--bg-color)}.search-input{background:transparent;border:none;color:var(--text-primary);width:100%;margin-left:.5rem;outline:none}.search-dropdown{position:absolute;top:100%;left:0;right:0;background:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;margin-top:.5rem;box-shadow:0 4px 12px #0000004d;z-index:1000;max-height:400px;overflow-y:auto}.search-item{display:flex;align-items:center;padding:.75rem 1rem;cursor:pointer;transition:background .2s}.search-item:hover{background:#ffffff0d}.search-section-title{padding:.5rem 1rem;font-size:.8rem;font-weight:700;color:var(--text-secondary);background:#0003}.btn-icon-badge{position:relative}.notification-badge{position:absolute;top:-2px;right:-2px;background:var(--error-color);color:#fff;font-size:.7rem;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center}.custom-scrollbar::-webkit-scrollbar{width:6px}.custom-scrollbar::-webkit-scrollbar-track{background:transparent}.custom-scrollbar::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:#ffffff4d}:root{--admin-bg-dark: #111827;--admin-bg-card: #1f2937;--admin-bg-input: #374151;--admin-text-main: #f9fafb;--admin-text-muted: #9ca3af;--admin-accent: #dc2626;--admin-accent-hover: #b91c1c;--admin-border: #374151}.admin-container{min-height:100vh;background-color:var(--admin-bg-dark);color:var(--admin-text-main);font-family:Inter,sans-serif;display:flex}.admin-login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;background-color:var(--admin-bg-dark)}.admin-card{background-color:var(--admin-bg-card);padding:2rem;border-radius:.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;border:1px solid var(--admin-border);width:100%;max-width:28rem}.admin-sidebar{width:16rem;background-color:var(--admin-bg-card);border-right:1px solid var(--admin-border);display:flex;flex-direction:column;height:100vh;position:sticky;top:0}.admin-sidebar-header{padding:1.5rem;font-size:1.5rem;font-weight:700;color:var(--admin-accent)}.admin-nav{display:flex;flex-direction:column;padding:0 1rem;gap:.5rem;margin-top:1.5rem}.admin-nav-link{display:block;padding:.75rem 1rem;border-radius:.375rem;color:var(--admin-text-muted);text-decoration:none;transition:all .2s}.admin-nav-link:hover{background-color:var(--admin-bg-input);color:var(--admin-text-main)}.admin-nav-link.active{background-color:var(--admin-accent);color:#fff}.admin-logout-btn{margin-top:auto;margin-bottom:2rem;margin-left:1rem;margin-right:1rem;padding:.75rem;background:transparent;color:#f87171;text-align:left;border-radius:.375rem;cursor:pointer}.admin-logout-btn:hover{background-color:var(--admin-bg-input)}.admin-main{flex:1;padding:2rem;overflow-y:auto}.admin-title{font-size:1.875rem;font-weight:700;margin-bottom:1.5rem;color:var(--admin-text-main)}.stats-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:1.5rem;margin-bottom:2rem}@media(min-width:768px){.stats-grid{grid-template-columns:repeat(3,1fr)}}.stat-card{background-color:var(--admin-bg-card);padding:1.5rem;border-radius:.5rem;border:1px solid var(--admin-border)}.stat-label{color:var(--admin-text-muted);text-transform:uppercase;font-size:.75rem;font-weight:700;letter-spacing:.05em}.stat-value{margin-top:.5rem;font-size:2.25rem;font-weight:700;color:var(--admin-text-main)}.admin-label{display:block;font-size:.875rem;font-weight:500;color:var(--admin-text-muted);margin-bottom:.25rem}.admin-input{width:100%;padding:.5rem 1rem;background-color:var(--admin-bg-input);border:1px solid var(--admin-border);border-radius:.375rem;color:var(--admin-text-main)}.admin-input:focus{outline:2px solid var(--admin-accent);border-color:transparent}.admin-btn{width:100%;padding:.5rem 1rem;background-color:var(--admin-accent);color:#fff;font-weight:700;border-radius:.375rem;transition:background-color .2s;text-align:center}.admin-btn:hover{background-color:var(--admin-accent-hover)}.admin-table-container{background-color:var(--admin-bg-card);border-radius:.5rem;border:1px solid var(--admin-border);overflow-x:auto}.admin-table{width:100%;text-align:left;border-collapse:collapse}.admin-table th{background-color:var(--admin-bg-input);padding:.75rem 1.5rem;font-size:.75rem;text-transform:uppercase;color:var(--admin-text-muted)}.admin-table td{padding:1rem 1.5rem;border-bottom:1px solid var(--admin-border);color:var(--admin-text-muted)}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover{background-color:#ffffff05}.user-cell{display:flex;align-items:center;gap:.75rem}.user-avatar-sm{width:2rem;height:2rem;border-radius:50%;background-color:var(--admin-bg-input)}.user-name{font-weight:500;color:var(--admin-text-main)}.role-badge{padding:.25rem .5rem;border-radius:9999px;font-size:.75rem;font-weight:500}.role-admin{background-color:#7f1d1d;color:#fca5a5}.role-user{background-color:#064e3b;color:#6ee7b7}.btn-delete{color:#ef4444;font-size:.875rem}.btn-delete:hover{text-decoration:underline;color:#f87171}.activity-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media(min-width:1024px){.activity-grid{grid-template-columns:1fr 1fr}}.activity-card{background-color:var(--admin-bg-card);border-radius:.5rem;border:1px solid var(--admin-border);padding:1.5rem}.activity-item{display:flex;justify-content:space-between;align-items:flex-start;padding:.75rem;background-color:var(--admin-bg-dark);border-radius:.25rem;border:1px solid var(--admin-border);margin-bottom:.75rem}.section-title{font-size:1.25rem;font-weight:700;color:var(--admin-text-main);margin-bottom:1rem}.admin-container{display:flex;min-height:100vh}.admin-sidebar{width:250px;background-color:var(--card-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column}.admin-sidebar-header{padding:1.5rem;font-size:1.25rem;font-weight:700;border-bottom:1px solid var(--border-color);color:var(--text-primary)}.admin-nav{display:flex;flex-direction:column;padding:1rem;gap:.5rem}.admin-nav-link{padding:.75rem 1rem;border-radius:8px;color:var(--text-secondary);transition:all .2s}.admin-nav-link:hover{background-color:#ffffff0d;color:var(--text-primary)}.admin-nav-link.active{background-color:var(--accent-color);color:#fff}.admin-logout-btn{margin-top:auto;width:100%;padding:.75rem;background:transparent;border:1px solid var(--error-color);color:var(--error-color);border-radius:8px;cursor:pointer;transition:all .2s}.admin-logout-btn:hover{background-color:var(--error-color);color:#fff}.admin-main{flex:1;padding:2rem;background-color:var(--bg-color);overflow-y:auto}.admin-login-wrapper{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:var(--bg-color)}.admin-card{background-color:var(--card-bg);padding:2rem;border-radius:12px;border:1px solid var(--border-color);width:100%;max-width:400px;box-shadow:0 4px 6px #0000001a}.admin-title{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem}.admin-form-group{margin-bottom:1rem}.admin-label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-size:.875rem}.admin-input{width:100%;padding:.75rem;background-color:var(--input-bg);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);font-size:1rem}.admin-input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px #3b82f633}.admin-btn{width:100%;padding:.75rem;background-color:#dc2626;color:#fff;border:none;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s;margin-top:1rem}.admin-btn:hover{background-color:#b91c1c}