/* ============================================================
   Server Monitor Platform — Dashboard Design System
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:'Inter',system-ui,sans-serif;background:#0b0d17;color:#e8eaf6;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:#a89cf7;text-decoration:none}a:hover{color:#fff}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:99px}

:root{
  --bg-dark:  #0b0d17;
  --bg-soft:  #10131f;
  --glass:    rgba(255,255,255,0.05);
  --glass-b:  rgba(255,255,255,0.09);
  --glass-h:  rgba(255,255,255,0.09);
  --accent:   #7c6ef5;
  --accent-l: #a89cf7;
  --accent-g: rgba(124,110,245,0.35);
  --success:  #22d3a5;
  --warning:  #f59e0b;
  --danger:   #f43f5e;
  --info:     #3abff8;
  --t1:       #e8eaf6;
  --t2:       #8b90b0;
  --t3:       #4b5080;
  --r-sm:     8px;
  --r-md:     14px;
  --r-lg:     22px;
  --shadow:   0 8px 32px rgba(0,0,0,.45);
  --tr:       0.22s cubic-bezier(0.4,0,0.2,1);
  --sw:       260px;
}

body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 70% 50% at 20% 10%,rgba(124,110,245,.15) 0%,transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 80%,rgba(34,211,165,.08) 0%,transparent 60%);
}

/* Card */
.card{background:var(--glass);border:1px solid var(--glass-b);border-radius:var(--r-md);backdrop-filter:blur(18px);box-shadow:var(--shadow);transition:box-shadow var(--tr),border-color var(--tr)}
.card:hover{border-color:rgba(255,255,255,.14);box-shadow:0 12px 40px rgba(0,0,0,.55)}

/* Layout */
.app-shell{display:flex;height:100vh;overflow:hidden;position:relative;z-index:1}

/* Sidebar */
.sidebar{width:var(--sw);background:rgba(11,13,23,.88);border-right:1px solid var(--glass-b);display:flex;flex-direction:column;padding:28px 0;flex-shrink:0;backdrop-filter:blur(20px)}
.sb-brand{display:flex;align-items:center;gap:12px;padding:0 24px 28px;border-bottom:1px solid var(--glass-b);margin-bottom:20px}
.sb-logo{width:42px;height:42px;background:linear-gradient(135deg,var(--accent),var(--success));border-radius:11px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 18px var(--accent-g)}
.sb-brand .brand-name{font-size:15px;font-weight:700;letter-spacing:.02em}
.sb-brand .brand-sub{font-size:11px;color:var(--t3)}

.nav-group{padding:0 12px}
.nav-label{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--t3);padding:8px 12px 6px}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--r-sm);cursor:pointer;color:var(--t2);font-size:14px;font-weight:500;transition:background var(--tr),color var(--tr);margin-bottom:2px;user-select:none}
.nav-item .icon{width:20px;text-align:center}
.nav-item:hover,.nav-item.active{background:var(--glass-h);color:var(--t1)}
.nav-item.active{color:var(--accent-l)}
.nav-item.active .icon{filter:drop-shadow(0 0 6px var(--accent))}

.sb-footer{margin-top:auto;padding:20px 24px 0;border-top:1px solid var(--glass-b)}
.sb-user-name{font-size:13px;font-weight:500}
.sb-user-role{font-size:11px;color:var(--t3)}
.btn-logout{width:100%;margin-top:12px;padding:9px;border-radius:var(--r-sm);border:1px solid var(--glass-b);background:transparent;color:var(--danger);cursor:pointer;font-size:13px;font-weight:500;transition:background var(--tr)}
.btn-logout:hover{background:rgba(244,63,94,.12)}

/* Main Content */
.main-content{flex:1;overflow-y:auto;padding:32px;position:relative}
.page-header{margin-bottom:28px}
.page-title{font-size:22px;font-weight:700}
.page-sub{font-size:14px;color:var(--t2);margin-top:4px}

/* Stats Grid */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-bottom:28px}
.stat-card{padding:22px}
.stat-card .sc-label{font-size:11px;color:var(--t3);text-transform:uppercase;letter-spacing:.08em}
.stat-card .sc-value{font-size:32px;font-weight:700;margin:6px 0}
.stat-card .sc-sub{font-size:12px;color:var(--t2)}
.sc-accent {color:var(--accent-l)}
.sc-success {color:var(--success)}
.sc-warning {color:var(--warning)}
.sc-info    {color:var(--info)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:var(--r-sm);font-size:13px;font-weight:600;cursor:pointer;border:none;transition:opacity var(--tr),transform var(--tr),box-shadow var(--tr)}
.btn:hover{opacity:.88;transform:translateY(-1px)}.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#5a4ce0);color:#fff;box-shadow:0 4px 16px var(--accent-g)}
.btn-primary:hover{box-shadow:0 6px 24px var(--accent-g)}
.btn-ghost{background:var(--glass);color:var(--t2);border:1px solid var(--glass-b)}
.btn-danger{background:rgba(244,63,94,.15);color:var(--danger);border:1px solid rgba(244,63,94,.25)}
.btn-success{background:rgba(34,211,165,.18);color:var(--success);border:1px solid rgba(34,211,165,.25)}
.w-full{width:100%;justify-content:center}

/* Forms */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:12px;font-weight:600;color:var(--t2);letter-spacing:.05em;text-transform:uppercase;margin-bottom:7px}
.form-control{width:100%;padding:11px 14px;background:rgba(255,255,255,.05);border:1px solid var(--glass-b);border-radius:var(--r-sm);color:var(--t1);font-size:14px;transition:border-color var(--tr),box-shadow var(--tr);outline:none}
.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-g)}
.form-control::placeholder{color:var(--t3)}
select.form-control option{background:#1a1d2e}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.65);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:999;opacity:0;pointer-events:none;transition:opacity var(--tr)}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{width:100%;max-width:520px;padding:32px;transform:translateY(24px) scale(.97);transition:transform var(--tr)}
.modal-overlay.open .modal{transform:translateY(0) scale(1)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.modal-header h2{font-size:18px;font-weight:700}
.modal-close{background:none;border:none;color:var(--t2);font-size:20px;cursor:pointer;padding:4px}

/* Toast */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:1999;display:flex;flex-direction:column;gap:10px}
.toast{padding:13px 20px;border-radius:var(--r-sm);font-size:14px;font-weight:500;min-width:240px;max-width:360px;backdrop-filter:blur(12px);animation:slideUp .28s ease forwards;border:1px solid var(--glass-b)}
.toast.success{background:rgba(34,211,165,.18);color:var(--success)}
.toast.error{background:rgba(244,63,94,.18);color:var(--danger)}
.toast.info{background:rgba(58,191,248,.18);color:var(--info)}
@keyframes slideUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* Login */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px;position:relative;z-index:1}
.login-card{width:100%;max-width:400px;padding:40px}
.login-logo{width:56px;height:56px;margin:0 auto 20px;background:linear-gradient(135deg,var(--accent),var(--success));border-radius:16px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 24px var(--accent-g)}
.login-title{text-align:center;font-size:22px;font-weight:700;margin-bottom:4px}
.login-sub{text-align:center;font-size:13px;color:var(--t3);margin-bottom:28px}

/* Utility */
.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.mt-2{margin-top:8px}
.flex{display:flex}.gap-3{gap:12px}.gap-2{gap:8px}.items-center{align-items:center}.justify-between{justify-content:space-between}
.text-sm{font-size:13px}.text-muted{color:var(--t3)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hidden{display:none!important}
code{font-family:monospace;background:rgba(255,255,255,.08);padding:1px 6px;border-radius:4px;font-size:12px}

/* ============================================================
   AI Settings Page
   ============================================================ */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.ai-card{padding:24px}.ai-wide{grid-column:1/-1}
.ai-card-head{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.ai-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ai-icon.power {background:rgba(244,63,94,.15);color:var(--danger)}
.ai-icon.key   {background:rgba(245,158,11,.15);color:var(--warning)}
.ai-icon.model {background:rgba(58,191,248,.15);color:var(--info)}
.ai-icon.prompt{background:rgba(124,110,245,.15);color:var(--accent-l)}
.ai-card-title{font-size:15px;font-weight:700}
.ai-card-sub{font-size:12px;color:var(--t3)}
.ai-hint{font-size:12px;color:var(--t3);margin-top:10px;line-height:1.5}

/* Toggle */
.toggle-wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.toggle-label{font-size:14px;font-weight:500}
.ts{position:relative;display:inline-block;width:46px;height:26px;flex-shrink:0}
.ts input{opacity:0;width:0;height:0}
.ts-slider{position:absolute;inset:0;background:rgba(255,255,255,.1);border-radius:99px;cursor:pointer;transition:.25s;border:1px solid var(--glass-b)}
.ts-slider::before{content:'';position:absolute;width:20px;height:20px;border-radius:50%;background:var(--t2);left:2px;top:2px;transition:.25s;box-shadow:0 2px 6px rgba(0,0,0,.4)}
.ts input:checked+.ts-slider{background:rgba(124,110,245,.35);border-color:var(--accent)}
.ts input:checked+.ts-slider::before{transform:translateX(20px);background:var(--accent-l)}

/* Model cards */
.model-card{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:10px;border:1px solid var(--glass-b);background:rgba(255,255,255,.03);transition:.2s}
.model-card.on{border-color:rgba(124,110,245,.4);background:rgba(124,110,245,.07)}
.model-info{display:flex;align-items:center;gap:10px}
.model-badge{padding:3px 10px;border-radius:99px;font-size:10px;font-weight:700;flex-shrink:0}
.mb-gemma {background:rgba(66,133,244,.15);color:#74a7ff;border:1px solid rgba(66,133,244,.25)}
.mb-openai{background:rgba(16,185,129,.15);color:var(--success);border:1px solid rgba(16,185,129,.25)}
.model-name{font-size:13px;font-weight:600}
.model-slug{font-size:11px;color:var(--t3);font-family:monospace}
.btn-show-key{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--t2);cursor:pointer;padding:4px;transition:.2s}
.btn-show-key:hover{color:var(--accent-l)}
.key-wrap{position:relative}

/* ============================================================
   AI Chat Widget
   ============================================================ */
#ai-bubble{
  position:fixed;bottom:28px;right:28px;z-index:900;
  width:54px;height:54px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#5a4ce0);
  border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 24px var(--accent-g),0 2px 8px rgba(0,0,0,.5);
  transition:transform .22s,box-shadow .22s;
  animation:bpop .4s cubic-bezier(.22,1,.36,1) both;
}
@keyframes bpop{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}
#ai-bubble:hover{transform:scale(1.1);box-shadow:0 8px 32px var(--accent-g)}
#ai-bubble svg{transition:transform .3s}
#ai-bubble.open svg{transform:rotate(45deg)}
#ai-bubble .bdot{position:absolute;top:7px;right:7px;width:10px;height:10px;border-radius:50%;background:var(--success);border:2px solid var(--bg-dark);animation:pdot 2s infinite}
@keyframes pdot{0%,100%{transform:scale(1)}50%{transform:scale(1.4)}}

#ai-drawer{
  position:fixed;bottom:96px;right:28px;z-index:900;
  width:380px;max-height:560px;
  background:rgba(14,17,30,.97);
  border:1px solid rgba(124,110,245,.25);border-radius:20px;
  box-shadow:0 20px 60px rgba(0,0,0,.7);
  backdrop-filter:blur(24px);
  display:flex;flex-direction:column;
  transform:translateY(20px) scale(.96);opacity:0;pointer-events:none;
  transition:transform .28s cubic-bezier(.22,1,.36,1),opacity .22s;overflow:hidden;
}
#ai-drawer.open{transform:translateY(0) scale(1);opacity:1;pointer-events:all}

.chat-head{padding:15px 18px;border-bottom:1px solid rgba(255,255,255,.07);display:flex;align-items:center;gap:12px;background:rgba(124,110,245,.08);flex-shrink:0}
.chat-head-ico{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#5a4ce0);display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 2px 10px var(--accent-g)}
.chat-head-name{font-size:14px;font-weight:700}
.chat-head-status{font-size:11px;color:var(--success);display:flex;align-items:center;gap:5px}
.chat-head-status::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--success)}
.chat-model-tag{margin-left:auto;padding:3px 9px;border-radius:99px;font-size:10px;background:rgba(124,110,245,.15);color:var(--accent-l);border:1px solid rgba(124,110,245,.2);white-space:nowrap}

.chat-model-pick{padding:6px 12px 0;display:flex;gap:6px;align-items:center;font-size:11px;color:var(--t2);flex-shrink:0}
.chat-model-pick select{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:6px;padding:3px 8px;color:var(--t2);font-size:11px;outline:none;cursor:pointer}

.chat-msgs{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}
.chat-msgs::-webkit-scrollbar{width:4px}
.chat-msgs::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:99px}

.cmsg{display:flex;gap:8px;align-items:flex-end;max-width:92%}
.cmsg.user{margin-left:auto;flex-direction:row-reverse}
.cbubble{padding:10px 14px;border-radius:16px;font-size:13px;line-height:1.55;word-break:break-word}
.cmsg.user   .cbubble{background:linear-gradient(135deg,var(--accent),#5a4ce0);color:#fff;border-bottom-right-radius:4px}
.cmsg.ai     .cbubble{background:rgba(255,255,255,.07);color:var(--t1);border:1px solid var(--glass-b);border-bottom-left-radius:4px}
.cmsg.system .cbubble{background:rgba(34,211,165,.1);color:var(--success);font-size:12px;margin:0 auto;border-radius:10px;text-align:center}
.cavatar{width:28px;height:28px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:14px}
.cmsg.ai   .cavatar{background:linear-gradient(135deg,var(--accent),#5a4ce0)}
.cmsg.user .cavatar{background:rgba(255,255,255,.1)}

.typing{display:flex;align-items:center;gap:4px;padding:10px 14px;background:rgba(255,255,255,.07);border:1px solid var(--glass-b);border-radius:16px;border-bottom-left-radius:4px;width:fit-content}
.tdot{width:6px;height:6px;border-radius:50%;background:var(--t2);animation:tb .9s infinite}
.tdot:nth-child(2){animation-delay:.15s}.tdot:nth-child(3){animation-delay:.3s}
@keyframes tb{0%,80%,100%{transform:translateY(0);opacity:.4}40%{transform:translateY(-5px);opacity:1}}

.chat-inp-area{padding:12px 14px;border-top:1px solid rgba(255,255,255,.07);display:flex;gap:10px;align-items:flex-end;flex-shrink:0}
#chat-inp{flex:1;resize:none;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px 12px;color:var(--t1);font-size:13px;font-family:inherit;line-height:1.5;max-height:100px;min-height:40px;transition:border-color .2s;outline:none}
#chat-inp:focus{border-color:var(--accent)}
#chat-inp::placeholder{color:var(--t3)}
#chat-send{width:38px;height:38px;border-radius:10px;flex-shrink:0;background:linear-gradient(135deg,var(--accent),#5a4ce0);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s;box-shadow:0 2px 10px var(--accent-g)}
#chat-send:hover{opacity:.88;transform:scale(1.05)}
#chat-send:disabled{opacity:.4;cursor:not-allowed;transform:none}

@media(max-width:480px){#ai-drawer{width:calc(100vw - 24px);right:12px;bottom:80px}#ai-bubble{right:16px;bottom:16px}}
@media(max-width:768px){:root{--sw:0px}.sidebar{display:none}.main-content{padding:20px 16px}.grid-2{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}}