:root{
  --action-blue:#007AFF;
  --communication-green:#34C759;
  --highlight-orange:#FF9500;
  --category-purple:#AF52DE;
  --surface-gray:#F2F2F7;
  --text-gray:#1C1C1E;
  --warning-yellow:#FFCC00;
  --critical-red:#FF3B30;

  --bg:var(--surface-gray);
  --surface:#fff;
  --surface-2:#F8F8FC;
  --text:var(--text-gray);
  --muted:#6E6E73;
  --line:#E5E5EA;
  --primary:var(--action-blue);
  --primary-2:#0063D1;
  --accent:var(--category-purple);
  --success:var(--communication-green);
  --warning:var(--warning-yellow);
  --danger:var(--critical-red);

  --blue-soft:rgba(0,122,255,.10);
  --green-soft:rgba(52,199,89,.11);
  --orange-soft:rgba(255,149,0,.12);
  --purple-soft:rgba(175,82,222,.11);
  --yellow-soft:rgba(255,204,0,.16);
  --red-soft:rgba(255,59,48,.10);
  --shadow-sm:0 2px 8px rgba(28,28,30,.05);
  --shadow:0 12px 34px rgba(28,28,30,.09);
  --shadow-lg:0 24px 60px rgba(28,28,30,.14);
  --radius:18px;
  --radius-sm:12px;
}

*{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
body{overflow-x:hidden}
button,input,select,textarea{font:inherit}
button{cursor:pointer;-webkit-tap-highlight-color:transparent}
a{color:inherit}
::selection{background:rgba(0,122,255,.18)}

.boot{min-height:100vh;display:grid;place-content:center;text-align:center;color:var(--muted)}
.spinner{width:36px;height:36px;border:3px solid rgba(0,122,255,.14);border-top-color:var(--action-blue);border-radius:999px;animation:spin .8s linear infinite;margin:auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* Authentication */
.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);background:
  radial-gradient(circle at 8% 15%,rgba(0,122,255,.16),transparent 31%),
  radial-gradient(circle at 78% 22%,rgba(175,82,222,.13),transparent 27%),
  radial-gradient(circle at 20% 88%,rgba(52,199,89,.12),transparent 28%),
  linear-gradient(135deg,#fff,var(--surface-gray))}
.auth-brand{padding:64px;display:flex;flex-direction:column;justify-content:center;max-width:780px;margin:auto}
.brand-mark{width:76px;height:76px;border-radius:22px;background:url('/app-icon.svg') center/cover no-repeat;color:transparent;display:grid;place-content:center;box-shadow:var(--shadow)}
.auth-brand h1{font-size:clamp(34px,4vw,58px);line-height:1.04;margin:26px 0 16px;letter-spacing:-.045em}
.auth-brand h1::first-line{color:var(--action-blue)}
.auth-brand p{font-size:18px;color:var(--muted);max-width:640px;line-height:1.7}
.auth-feature{display:flex;gap:12px;align-items:center;margin:10px 0;color:#3A3A3C;font-weight:650}
.auth-feature::first-letter{color:var(--communication-green)}
.auth-card-wrap{display:grid;place-content:center;padding:30px}
.auth-card{width:min(440px,100%);background:rgba(255,255,255,.94);padding:34px;border:1px solid rgba(255,255,255,.9);border-radius:26px;box-shadow:var(--shadow-lg);backdrop-filter:blur(18px)}
.auth-card::before{content:"";display:block;width:48px;height:5px;border-radius:99px;background:linear-gradient(90deg,var(--action-blue),var(--communication-green),var(--highlight-orange),var(--category-purple));margin-bottom:24px}
.auth-card h2{margin:0 0 8px;font-size:29px;letter-spacing:-.025em}
.auth-card .sub{margin:0 0 26px;color:var(--muted);line-height:1.5}
.setup-banner{background:var(--yellow-soft);border:1px solid rgba(255,204,0,.48);color:#6B5600;padding:12px 14px;border-radius:12px;margin-bottom:18px;font-size:14px}

/* Forms */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13px;font-weight:750;color:#3A3A3C}
.input,.select,.textarea{width:100%;border:1px solid #D1D1D6;background:#fff;border-radius:12px;padding:12px 13px;color:var(--text);outline:none;transition:border-color .16s,box-shadow .16s,background .16s}
.input:hover,.select:hover,.textarea:hover{border-color:#AEAEB2}
.input:focus,.select:focus,.textarea:focus{border-color:var(--action-blue);box-shadow:0 0 0 4px rgba(0,122,255,.11)}
.textarea{min-height:96px;resize:vertical}
.help{font-size:12px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-grid .field{margin:0}
.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;flex-wrap:wrap}

/* Buttons */
.btn{border:0;border-radius:12px;padding:10px 15px;min-height:40px;font-weight:750;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:transform .15s,box-shadow .15s,background .15s,opacity .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.985)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-primary{background:var(--action-blue);color:#fff;box-shadow:0 5px 16px rgba(0,122,255,.20)}
.btn-primary:hover{background:var(--primary-2);box-shadow:0 7px 20px rgba(0,122,255,.25)}
.btn-secondary{background:var(--surface-gray);color:#3A3A3C}
.btn-success{background:var(--green-soft);color:#17853A}
.btn-danger{background:var(--red-soft);color:#D72D24}
.btn-warning{background:var(--yellow-soft);color:#755E00}
.btn-ghost{background:#fff;color:#3A3A3C;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:#C7C7CC;background:#FAFAFC}
.btn-block{width:100%}
.icon-btn{width:40px;height:40px;border:0;background:var(--surface-gray);border-radius:12px;font-size:22px;color:#3A3A3C;display:inline-grid;place-items:center}

/* Main shell */
.shell{display:grid;grid-template-columns:272px minmax(0,1fr);min-height:100vh}
.sidebar{background:rgba(255,255,255,.95);color:var(--text);padding:22px 16px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;border-right:1px solid var(--line);z-index:12;backdrop-filter:blur(20px)}
.logo-row{display:flex;align-items:center;gap:12px;padding:2px 8px 23px}
.logo-mini{width:46px;height:46px;border-radius:14px;background:url('/app-icon.svg') center/cover no-repeat;color:transparent;display:grid;place-content:center;box-shadow:0 7px 18px rgba(0,122,255,.14);flex:0 0 auto}
.logo-row strong{display:block;color:var(--text);font-size:15px;letter-spacing:-.01em}
.logo-row span{font-size:12px;color:var(--muted)}
.nav{display:flex;flex-direction:column;gap:6px}
.nav button{--nav-color:var(--action-blue);border:0;background:transparent;color:#55555A;text-align:left;padding:10px 11px;border-radius:13px;font-weight:680;display:flex;align-items:center;gap:10px;transition:.16s;min-height:44px}
.nav button::before{content:"•";width:29px;height:29px;border-radius:9px;display:grid;place-items:center;background:color-mix(in srgb,var(--nav-color) 13%,white);color:var(--nav-color);font-size:16px;font-weight:900;flex:0 0 auto}
.nav button:nth-child(1){--nav-color:var(--action-blue)}.nav button:nth-child(1)::before{content:"⌂"}
.nav button:nth-child(2){--nav-color:var(--communication-green)}.nav button:nth-child(2)::before{content:"♙"}
.nav button:nth-child(3){--nav-color:var(--highlight-orange)}.nav button:nth-child(3)::before{content:"✚"}
.nav button:nth-child(4){--nav-color:var(--category-purple)}.nav button:nth-child(4)::before{content:"▣"}
.nav button:nth-child(5){--nav-color:var(--warning-yellow)}.nav button:nth-child(5)::before{content:"⇄"}
.nav button:nth-child(6){--nav-color:var(--critical-red)}.nav button:nth-child(6)::before{content:"!"}
.nav button:nth-child(7){--nav-color:var(--action-blue)}.nav button:nth-child(7)::before{content:"◎"}
.nav button:hover{background:color-mix(in srgb,var(--nav-color) 8%,white);color:var(--text)}
.nav button.active{background:var(--action-blue);color:#fff;box-shadow:0 7px 18px rgba(0,122,255,.20)}
.nav button.active::before{background:rgba(255,255,255,.19);color:#fff}
.sidebar-foot{margin-top:auto;padding:16px 10px 4px;border-top:1px solid var(--line)}
.sidebar-foot .name{color:var(--text);font-weight:780;font-size:14px;margin-bottom:3px}
.sidebar-foot .role{font-size:11px;color:var(--category-purple);text-transform:uppercase;letter-spacing:.08em;font-weight:800}

.main{min-width:0}
.topbar{height:72px;background:rgba(242,242,247,.82);backdrop-filter:blur(18px);border-bottom:1px solid rgba(209,209,214,.65);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:10}
.topbar h1{font-size:19px;margin:0;letter-spacing:-.018em}
.top-actions{display:flex;gap:8px}
.content{padding:28px;max-width:1500px;margin:0 auto}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:23px}
.page-head h2{font-size:28px;margin:0 0 6px;letter-spacing:-.035em}
.page-head p{margin:0;color:var(--muted);line-height:1.5}

/* Cards */
.card{background:var(--surface);border:1px solid rgba(229,229,234,.92);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card-pad{padding:21px}
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}
.kpi{padding:20px;position:relative;overflow:hidden;border:0;min-height:136px;color:#fff;box-shadow:0 10px 26px rgba(28,28,30,.10)}
.kpi::after{content:"";position:absolute;width:92px;height:92px;border-radius:50%;right:-28px;top:-29px;background:rgba(255,255,255,.15)}
.kpi .label{font-size:13px;color:rgba(255,255,255,.88);font-weight:750;margin-bottom:9px;position:relative;z-index:1}
.kpi .value{font-size:34px;font-weight:880;letter-spacing:-.04em;position:relative;z-index:1}
.kpi .note{font-size:12px;color:rgba(255,255,255,.78);margin-top:5px;position:relative;z-index:1}
.kpi-grid .kpi:nth-child(1){background:linear-gradient(135deg,#2392FF,var(--action-blue))}
.kpi-grid .kpi:nth-child(2){background:linear-gradient(135deg,#4ED96F,var(--communication-green))}
.kpi-grid .kpi:nth-child(3){background:linear-gradient(135deg,#FFAD38,var(--highlight-orange))}
.kpi-grid .kpi:nth-child(4){background:linear-gradient(135deg,#C16BE8,var(--category-purple))}
.kpi-grid .kpi:nth-child(5){background:linear-gradient(135deg,#FFD84F,var(--warning-yellow));color:var(--text)}
.kpi-grid .kpi:nth-child(5) .label,.kpi-grid .kpi:nth-child(5) .note{color:rgba(28,28,30,.66)}
.kpi-grid .kpi:nth-child(6){background:linear-gradient(135deg,#FF6259,var(--critical-red))}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.grid-3>.card:nth-child(4n+1){border-top:4px solid var(--action-blue)}
.grid-3>.card:nth-child(4n+2){border-top:4px solid var(--communication-green)}
.grid-3>.card:nth-child(4n+3){border-top:4px solid var(--category-purple)}
.grid-3>.card:nth-child(4n+4){border-top:4px solid var(--highlight-orange)}

.section-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.section-title h3{margin:0;font-size:17px;letter-spacing:-.015em}
.muted{color:var(--muted)}
.small{font-size:12px}
.empty{padding:36px;text-align:center;color:var(--muted)}
.list{display:flex;flex-direction:column}
.list-row{display:grid;grid-template-columns:1fr auto;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center}
.list-row:last-child{border-bottom:0}
.list-row strong{display:block}
.list-row .meta{font-size:12px;color:var(--muted);margin-top:4px}
.list-row:hover{background:linear-gradient(90deg,rgba(0,122,255,.025),transparent)}
.course-bars{display:flex;flex-direction:column;gap:15px}
.course-bar-head{display:flex;justify-content:space-between;gap:15px;font-size:13px;margin-bottom:7px}
.bar-track{height:9px;border-radius:999px;background:#E9E9EE;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--action-blue),var(--category-purple));border-radius:999px;transition:width .25s ease}
.course-bars>div:nth-child(4n+1) .bar-fill{background:var(--action-blue)}
.course-bars>div:nth-child(4n+2) .bar-fill{background:var(--communication-green)}
.course-bars>div:nth-child(4n+3) .bar-fill{background:var(--highlight-orange)}
.course-bars>div:nth-child(4n+4) .bar-fill{background:var(--category-purple)}

/* Tables */
.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap}
.search{min-width:280px;max-width:460px;flex:1}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm);overscroll-behavior-inline:contain}
table{width:100%;border-collapse:collapse;min-width:780px}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:11px;text-transform:uppercase;letter-spacing:.055em;color:#6E6E73;background:#F8F8FA;position:sticky;top:0;z-index:1}
td{font-size:13px}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#FBFCFF}
tr.clickable:hover{background:var(--blue-soft);cursor:pointer}
.actions{display:flex;gap:6px;justify-content:flex-end}

/* Status */
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:820;white-space:nowrap;border:1px solid transparent}
.badge.active{background:var(--green-soft);color:#1F8F41;border-color:rgba(52,199,89,.16)}
.badge.completed{background:#ECECF1;color:#55555A}
.badge.upcoming{background:var(--blue-soft);color:var(--action-blue)}
.badge.transferred{background:var(--purple-soft);color:#8930B6}
.badge.cancelled{background:var(--red-soft);color:#D82E25;border-color:rgba(255,59,48,.15)}
.badge.info{background:var(--blue-soft);color:var(--action-blue)}
.badge.warning{background:var(--yellow-soft);color:#735C00;border-color:rgba(255,204,0,.24)}
.badge.serious{background:var(--critical-red);color:#fff;box-shadow:0 4px 12px rgba(255,59,48,.18)}
.badge.admin{background:var(--purple-soft);color:#8831B5}
.badge.supervisor{background:var(--blue-soft);color:var(--action-blue)}
.badge.student{background:var(--green-soft);color:#218D40}

/* Student course */
.hero-course{padding:26px;background:
  radial-gradient(circle at 90% 10%,rgba(255,255,255,.19),transparent 27%),
  linear-gradient(135deg,var(--action-blue) 0%,#526BEB 48%,var(--category-purple) 100%);color:#fff;border-radius:22px;box-shadow:0 16px 36px rgba(0,122,255,.20);margin-bottom:18px;position:relative;overflow:hidden}
.hero-course::after{content:"";position:absolute;width:150px;height:150px;border:28px solid rgba(255,255,255,.08);border-radius:50%;right:-70px;bottom:-75px}
.hero-course .eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.84);font-weight:800}
.hero-course .badge{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.18)}
.hero-course h2{margin:8px 0 10px;font-size:29px;letter-spacing:-.03em;position:relative;z-index:1}
.hero-course .dates{color:rgba(255,255,255,.83);position:relative;z-index:1}
.progress-line{display:flex;align-items:center;gap:13px;margin-top:21px;position:relative;z-index:1}
.progress-line .bar-track{flex:1;background:rgba(255,255,255,.22);height:10px}
.progress-line .bar-fill{background:#fff}
.progress-line strong{font-size:14px;min-width:46px;text-align:right}
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:18px 0}
.info-card{padding:19px;position:relative;overflow:hidden}
.info-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--action-blue)}
.info-grid>.info-card:nth-child(2)::before{background:var(--communication-green)}
.info-grid>.info-card:nth-child(3)::before{background:var(--highlight-orange)}
.info-grid>.info-card:nth-child(4)::before{background:var(--category-purple)}
.info-card .label{font-size:11px;text-transform:uppercase;letter-spacing:.065em;color:var(--muted);font-weight:800}
.info-card .value{font-size:16px;font-weight:760;margin-top:7px;line-height:1.4}
.timeline{display:flex;flex-direction:column;gap:0}
.timeline-item{position:relative;padding:0 0 20px 24px;border-left:2px solid #E5E5EA;margin-left:7px}
.timeline-item::before{content:"";position:absolute;left:-6px;top:3px;width:10px;height:10px;border-radius:50%;background:var(--action-blue);box-shadow:0 0 0 4px rgba(0,122,255,.10)}
.timeline-item:nth-child(4n+2)::before{background:var(--communication-green);box-shadow:0 0 0 4px rgba(52,199,89,.10)}
.timeline-item:nth-child(4n+3)::before{background:var(--highlight-orange);box-shadow:0 0 0 4px rgba(255,149,0,.10)}
.timeline-item:nth-child(4n+4)::before{background:var(--category-purple);box-shadow:0 0 0 4px rgba(175,82,222,.10)}
.timeline-item:last-child{border-left-color:transparent}
.timeline-item strong{display:block}
.timeline-item .meta{color:var(--muted);font-size:12px;margin-top:4px}

/* Notes and severity */
.note-card{padding:15px;border:1px solid var(--line);border-radius:14px;margin-bottom:10px;background:#fff;box-shadow:0 1px 4px rgba(28,28,30,.025)}
.note-card.warning{border:1px solid rgba(255,204,0,.28);border-left:5px solid var(--warning-yellow);background:linear-gradient(90deg,var(--yellow-soft),#fff 34%)}
.note-card.serious{border:1px solid rgba(255,59,48,.22);border-left:5px solid var(--critical-red);background:linear-gradient(90deg,var(--red-soft),#fff 35%);box-shadow:0 7px 20px rgba(255,59,48,.07)}
.note-card.info{border:1px solid rgba(0,122,255,.18);border-left:5px solid var(--action-blue);background:linear-gradient(90deg,var(--blue-soft),#fff 35%)}
.note-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:7px;align-items:flex-start}
.note-head strong{font-size:13px}
.note-card p{margin:0;line-height:1.55;font-size:13px}

/* Modal + messages */
.modal{border:0;padding:0;border-radius:22px;width:min(760px,calc(100vw - 28px));max-height:88vh;box-shadow:0 32px 90px rgba(28,28,30,.28);background:#fff}
.modal::backdrop{background:rgba(28,28,30,.42);backdrop-filter:blur(5px)}
.modal-shell{display:flex;flex-direction:column;max-height:88vh}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);background:#FCFCFE}
.modal-head h2{margin:0;font-size:20px;letter-spacing:-.02em}
.modal-body{padding:20px;overflow:auto}
.toast{position:fixed;right:20px;bottom:20px;z-index:100;background:#3A3A3C;color:#fff;padding:13px 16px;border-radius:13px;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s;max-width:420px}
.toast.show{opacity:1;transform:none}
.toast.error{background:var(--critical-red)}
.toast.success{background:var(--communication-green)}
.mobile-menu{display:none}
.password-box{background:#F8F8FA;border:1px dashed #AEAEB2;padding:16px;border-radius:13px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:16px;word-break:break-all}
.warning-box{background:var(--yellow-soft);border:1px solid rgba(255,204,0,.40);color:#6A5500;padding:13px 14px;border-radius:12px;line-height:1.5}
hr.sep{border:0;border-top:1px solid var(--line);margin:20px 0}

/* Responsive: tablet */
@media(max-width:1180px){
  .shell{grid-template-columns:232px minmax(0,1fr)}
  .sidebar{padding-left:12px;padding-right:12px}
  .logo-row{padding-left:6px;padding-right:6px}
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-2{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr 1fr}
  .content{padding:24px}
}

/* Responsive: phone / compact app navigation */
@media(max-width:820px){
  .auth-page{grid-template-columns:1fr}.auth-brand{display:none}.auth-card-wrap{min-height:100vh;padding:max(18px,env(safe-area-inset-top)) 16px max(18px,env(safe-area-inset-bottom))}
  .shell{display:block;min-height:100dvh}
  .sidebar{position:fixed;left:0;right:0;top:auto;bottom:0;width:100%;height:auto;padding:7px max(8px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));border-right:0;border-top:1px solid rgba(209,209,214,.82);box-shadow:0 -10px 30px rgba(28,28,30,.08);background:rgba(255,255,255,.94);z-index:30}
  .logo-row,.sidebar-foot{display:none}
  .nav{flex-direction:row;gap:4px;overflow-x:auto;scrollbar-width:none;overscroll-behavior-inline:contain;padding:0 1px}
  .nav::-webkit-scrollbar{display:none}
  .nav button{flex:1 0 74px;min-width:74px;max-width:100px;min-height:58px;padding:6px 5px;border-radius:12px;justify-content:center;flex-direction:column;gap:3px;text-align:center;font-size:10px;line-height:1.15;color:#77777C}
  .nav button::before{width:27px;height:27px;border-radius:9px;font-size:15px}
  .nav button.active{box-shadow:none;background:var(--blue-soft);color:var(--action-blue)}
  .nav button.active::before{background:var(--action-blue);color:#fff}
  .mobile-menu{display:none!important}
  .topbar{height:62px;padding:0 14px;padding-top:env(safe-area-inset-top)}
  .topbar h1{font-size:17px}
  .top-actions .btn{min-height:36px;padding:8px 11px;font-size:12px}
  .content{padding:18px 14px calc(92px + env(safe-area-inset-bottom));max-width:none}
  .page-head{flex-direction:column;gap:12px;margin-bottom:18px}
  .page-head h2{font-size:24px}
  .page-head>button,.page-head>.btn{width:100%}
  .kpi-grid{grid-template-columns:1fr 1fr;gap:10px}
  .kpi{padding:15px;min-height:112px;border-radius:16px}
  .kpi .value{font-size:28px}
  .kpi .label{font-size:12px}
  .kpi .note{font-size:10px}
  .info-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .search{min-width:100%;max-width:none}
  .toolbar{align-items:stretch}
  .card-pad{padding:17px}
  .grid-3{grid-template-columns:1fr}
  .hero-course{padding:20px;border-radius:19px}
  .hero-course h2{font-size:24px}
  .modal{width:calc(100vw - 18px);max-height:92dvh;border-radius:20px}
  .modal-shell{max-height:92dvh}
  .modal-body{padding:17px}
  .table-wrap{margin-left:-2px;margin-right:-2px;border-radius:14px}
  table{min-width:720px}
  th,td{padding:12px 11px}
  .toast{left:12px;right:12px;bottom:calc(82px + env(safe-area-inset-bottom));max-width:none;text-align:center}
}

@media(max-width:520px){
  .auth-card{padding:26px 20px;border-radius:22px}
  .content{padding:14px 10px calc(88px + env(safe-area-inset-bottom))}
  .card-pad{padding:15px}
  .page-head h2{font-size:22px}
  .page-head p{font-size:13px}
  .kpi-grid{grid-template-columns:1fr 1fr}
  .kpi{min-height:104px;padding:14px}
  .kpi .value{font-size:26px}
  .kpi .note{display:none}
  .grid-2{gap:12px}
  .section-title{align-items:flex-start}
  .section-title h3{font-size:16px}
  .list-row{grid-template-columns:1fr;gap:9px}
  .list-row>.btn,.list-row>div:last-child{text-align:left;justify-self:start}
  .form-actions{display:grid;grid-template-columns:1fr 1fr}.form-actions .btn{width:100%}
  .hero-course{margin-left:-2px;margin-right:-2px}
  .hero-course h2{font-size:22px}
  .progress-line{gap:8px}
  .topbar{padding-left:12px;padding-right:10px}
  .nav button{flex-basis:68px;min-width:68px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}