/* AiTeros — стиль в духе ixrocky: тёмный + светлый через data-theme, mobile-first */

:root,
:root[data-theme="dark"] {
  --bg:         #0f1115;
  --surface:    #171a21;
  --surface-2:  #1f232c;
  --border:     #262a36;
  --border-2:   #333846;
  --text-1:     #e7e9ef;
  --text-2:     #b3b8c4;
  --text-3:     #7a808c;
  --nav-bg:     #131620;
  --nav-hover:  #1c202b;
  --nav-active: #232836;
  --accent:     #3b82f6;
  --accent-hi:  #2b6ee0;
  --danger:     #ef4444;
  --success:    #10b981;
  --warn:       #f59e0b;
  --focus:      #3b82f6;
  --shadow-1:   0 4px 14px rgba(0,0,0,.35);
  --radius:     10px;
}

:root[data-theme="light"] {
  --bg:         #f5f6f8;
  --surface:    #ffffff;
  --surface-2:  #f0f2f6;
  --border:     #e3e6ec;
  --border-2:   #d0d5dd;
  --text-1:     #121620;
  --text-2:     #3d4453;
  --text-3:     #6b7180;
  --nav-bg:     #edeef2;
  --nav-hover:  #e2e4ea;
  --nav-active: #d8dbe3;
  --accent:     #2563eb;
  --accent-hi:  #1d4ed8;
  --danger:     #dc2626;
  --success:    #059669;
  --warn:       #d97706;
  --focus:      #2563eb;
  --shadow-1:   0 4px 14px rgba(15,23,42,.08);
}

*,*::before,*::after{box-sizing:border-box}
html,body{
  margin:0;padding:0;min-height:100%;
  background:var(--bg);color:var(--text-1);
  font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:15px;line-height:1.45;
  font-feature-settings:"tnum" 1,"kern" 1;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}
body{padding-top:env(safe-area-inset-top);padding-bottom:calc(72px + env(safe-area-inset-bottom))}
h1,h2,h3{margin:0 0 12px;line-height:1.25;letter-spacing:-.01em}
h1{font-size:22px;font-weight:600}
h2{font-size:18px;font-weight:600}
h3{font-size:14px;font-weight:600;color:var(--text-3);text-transform:uppercase;letter-spacing:.5px}
p{margin:0 0 12px;color:var(--text-2)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:var(--accent);color:#fff}

/* Topbar */
.topbar{
  position:sticky;top:0;z-index:20;
  background:var(--surface);border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 16px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--text-1)}
.brand-mark{
  width:28px;height:28px;border-radius:8px;
  display:grid;place-items:center;
  background:var(--accent);color:#fff;font-weight:700;font-size:15px;
}
.brand-mark.big{width:52px;height:52px;border-radius:12px;font-size:24px}
.brand-text{letter-spacing:.2px}
.topbar-right{display:flex;gap:8px;align-items:center}

.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  background:var(--surface);border:1px solid var(--border);border-radius:99px;
  font-size:13px;color:var(--text-2);cursor:pointer;transition:background .12s,border-color .12s;
}
.chip:hover{background:var(--surface-2);border-color:var(--border-2);text-decoration:none}
.chip-ghost{background:transparent}
.chip-primary{background:var(--accent);color:#fff;border-color:var(--accent)}

/* Content */
.content{max-width:960px;margin:0 auto;padding:16px}

/* Buttons/inputs */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 16px;
  background:var(--accent);color:#fff;border:1px solid var(--accent);
  border-radius:8px;font:inherit;font-size:14px;font-weight:500;cursor:pointer;
  transition:background .12s,border-color .12s;
}
.btn-primary:hover{background:var(--accent-hi);border-color:var(--accent-hi)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;
  height:32px;padding:0 12px;
  background:transparent;color:var(--text-1);
  border:1px solid var(--border-2);border-radius:8px;
  font:inherit;font-size:13px;cursor:pointer;transition:background .12s;
}
.btn-outline:hover{background:var(--surface-2)}

input,select,textarea{
  width:100%;height:40px;padding:0 12px;
  background:var(--surface);color:var(--text-1);
  border:1px solid var(--border);border-radius:8px;
  font:inherit;font-size:14px;outline:none;transition:border-color .12s;
}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--text-3);
      text-transform:uppercase;letter-spacing:.4px}

.alert-err{
  background:color-mix(in oklab,var(--danger) 12%,var(--surface));
  color:var(--danger);
  border:1px solid color-mix(in oklab,var(--danger) 30%,transparent);
  padding:10px 14px;border-radius:8px;margin-bottom:12px;font-size:14px;
}

/* Login (glass) */
.auth-shell{
  position:relative;min-height:100dvh;
  display:flex;align-items:center;justify-content:center;
  padding:16px;overflow:hidden;
}
.auth-shell::before{
  content:"";position:absolute;inset:-20%;z-index:0;
  background:
    radial-gradient(35% 40% at 20% 25%,color-mix(in oklab,var(--accent) 45%,transparent),transparent 60%),
    radial-gradient(30% 35% at 80% 30%,color-mix(in oklab,#a855f7 35%,transparent),transparent 60%),
    radial-gradient(40% 45% at 60% 85%,color-mix(in oklab,var(--success) 30%,transparent),transparent 60%),
    var(--bg);
  filter:saturate(1.05);
}
.auth-card{
  position:relative;z-index:1;
  width:100%;max-width:380px;padding:26px 24px;
  background:color-mix(in oklab,var(--surface) 62%,transparent);
  border:1px solid color-mix(in oklab,var(--text-1) 12%,transparent);
  border-radius:18px;
  box-shadow:0 20px 60px rgba(0,0,0,.3), inset 0 1px 0 color-mix(in oklab,#fff 12%,transparent);
  backdrop-filter:blur(24px) saturate(1.4);
  -webkit-backdrop-filter:blur(24px) saturate(1.4);
}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.auth-title{font-size:22px;font-weight:600}
.auth-sub{color:var(--text-3);margin-bottom:18px;font-size:13px}
.auth-form{display:flex;flex-direction:column;gap:12px}
.auth-form label input{margin-top:2px}
.auth-form button{margin-top:6px}

/* Dashboard */
.dash-header{padding:4px 0 12px}
.greeting h1{font-size:24px;font-weight:600;letter-spacing:-.01em}
.dash-sub{color:var(--text-3);margin-top:4px;font-size:14px}
.section-title{margin:20px 0 10px;color:var(--text-3);text-transform:uppercase;font-size:11px;letter-spacing:.6px;font-weight:500}

.notif-grid{display:grid;grid-template-columns:1fr;gap:8px}
@media (min-width:640px){.notif-grid{grid-template-columns:repeat(3,1fr)}}
.notif-card{background:var(--surface);padding:12px 14px;border-radius:10px;border:1px solid var(--border)}
.notif-info{border-left:3px solid var(--accent)}
.notif-warn{border-left:3px solid var(--warn)}
.notif-ok  {border-left:3px solid var(--success)}
.notif-badge{display:inline-block;font-size:10px;letter-spacing:1px;text-transform:uppercase;
  color:var(--text-3);margin-bottom:4px}
.notif-msg{font-size:13px;color:var(--text-2)}

.kpi-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
@media (min-width:640px){.kpi-grid{grid-template-columns:repeat(4,1fr)}}
.kpi{background:var(--surface);padding:12px 14px;border-radius:10px;border:1px solid var(--border);
  display:flex;flex-direction:column;gap:2px}
.kpi-label{color:var(--text-3);font-size:11px;letter-spacing:.5px;text-transform:uppercase}
.kpi-value{font-family:"IBM Plex Mono","SF Mono",monospace;font-size:26px;font-weight:600;color:var(--text-1);letter-spacing:-.01em}
.kpi-hint{color:var(--text-3);font-size:11px}

.modules-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
@media (min-width:640px){.modules-grid{grid-template-columns:repeat(3,1fr)}}
.mod-card{background:var(--surface);padding:14px;border-radius:10px;border:1px solid var(--border);
  transition:border-color .12s,background .12s;position:relative;text-decoration:none;color:inherit}
.mod-card:hover{border-color:var(--border-2);text-decoration:none}
.mod-ico{font-size:22px;margin-bottom:8px;line-height:1}
.mod-name{font-weight:500;margin-bottom:4px;font-size:14px}
.mod-desc{color:var(--text-3);font-size:12px;line-height:1.35}
.mod-level{position:absolute;top:10px;right:10px;font-size:9px;letter-spacing:.4px;
  text-transform:uppercase;color:var(--text-3);padding:2px 6px;border-radius:99px;
  background:var(--surface-2);border:1px solid var(--border)}
.lvl-edit{color:var(--accent);border-color:color-mix(in oklab,var(--accent) 30%,transparent)}
.empty-state{color:var(--text-3);padding:32px;text-align:center;grid-column:1/-1;font-size:14px}

/* Module page */
.mod-page-head{display:flex;align-items:flex-start;gap:14px;margin:4px 0 18px;padding-bottom:14px;
  border-bottom:1px solid var(--border);position:relative}
.mod-page-head h1{font-size:20px;font-weight:600}
.mod-page-ico{font-size:28px;line-height:1;margin-top:2px}
.mod-page-desc{color:var(--text-3);font-size:13px;margin-top:2px}
.mod-page-empty{text-align:center;padding:40px 20px;background:var(--surface);border-radius:10px;
  border:1px dashed var(--border-2)}
.empty-ico{font-size:36px;color:var(--text-3);margin-bottom:8px}
.mod-page-empty h2{font-weight:500;margin-bottom:8px;color:var(--text-1)}
.empty-list{list-style:none;color:var(--text-3);font-size:13px;margin:12px 0;padding:0}
.empty-list li{padding:2px 0}
.empty-list li::before{content:"— ";color:var(--text-3)}
.empty-note{color:var(--text-3);font-size:12px;margin-top:10px}

/* Admin */
.admin h1{font-size:20px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.back{background:var(--surface);width:32px;height:32px;display:grid;place-items:center;border-radius:8px;
  border:1px solid var(--border)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:12px}
.card h3{font-weight:600;margin-bottom:12px;font-size:12px;color:var(--text-3);text-transform:uppercase;letter-spacing:.5px}
.row-form{display:grid;grid-template-columns:1fr;gap:8px}
@media (min-width:640px){.row-form{grid-template-columns:1fr 1fr 1fr 1fr auto}}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:8px 6px;text-align:left;border-bottom:1px solid var(--border)}
.tbl th{color:var(--text-3);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.5px}
.role-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.role-code{font-family:"IBM Plex Mono","SF Mono",monospace;font-size:12px;color:var(--text-3);margin-left:8px}
.perm-tbl input[type=radio]{width:16px;height:16px;accent-color:var(--accent)}
.perm-tbl td:not(.mod-cell){text-align:center}
.perm-tbl .mod-ico-inline{margin-right:6px}
.perms-form button{margin-top:12px}
.admin-tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:520px}
.admin-tile{background:var(--surface);padding:16px;border-radius:10px;border:1px solid var(--border);
  display:flex;flex-direction:column;gap:6px;color:var(--text-1);text-decoration:none}
.admin-tile:hover{border-color:var(--border-2);text-decoration:none}
.admin-ico{font-size:22px}

/* Bottom nav */
.bottom-nav{
  position:fixed;left:0;right:0;bottom:0;z-index:15;
  background:var(--surface);
  border-top:1px solid var(--border);
  display:flex;justify-content:space-around;align-items:stretch;
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));
}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:4px;color:var(--text-3);font-size:11px;position:relative;
  border-radius:8px;transition:color .12s;text-decoration:none}
.nav-item.active{color:var(--accent)}
.nav-item:active{background:var(--surface-2)}
.nav-ico{font-size:18px;line-height:1}
.nav-lbl{font-size:10px}
.nav-more{position:relative;flex:1;list-style:none}
.nav-more summary{list-style:none;cursor:pointer}
.nav-more summary::-webkit-details-marker{display:none}
.nav-more[open] summary{color:var(--accent)}
.more-panel{position:absolute;bottom:100%;right:0;background:var(--surface);
  border:1px solid var(--border-2);border-radius:10px;padding:6px;min-width:220px;
  box-shadow:var(--shadow-1);margin-bottom:8px}
.more-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:6px;
  color:var(--text-1);font-size:13px;text-decoration:none}
.more-item:hover{background:var(--surface-2);text-decoration:none}
.more-ico{font-size:16px}

/* Theme toggle button */
.theme-toggle{
  width:32px;height:32px;border-radius:8px;
  background:var(--surface);color:var(--text-2);
  border:1px solid var(--border);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .12s;font-size:14px;
}
.theme-toggle:hover{background:var(--surface-2)}