/* ══ ANEW — shared native (Apple-style) theme · teal/green dark ══ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --sans:-apple-system,BlinkMacSystemFont,'SF Pro Text','SF Pro Display','Helvetica Neue','Segoe UI',system-ui,sans-serif;
  --mono:ui-monospace,'SF Mono','SFMono-Regular',Menlo,Monaco,monospace;

  /* Deep teal-leaning charcoal surfaces */
  --bg:#0e1413;
  --s1:#161d1c;--s2:#1c2524;--s3:#243130;--s4:#2f3e3c;

  --b1:rgba(255,255,255,.07);--b2:rgba(255,255,255,.11);--b3:rgba(255,255,255,.18);

  --t1:#f1f6f4;--t2:#bccac6;--t3:#869691;

  /* Teal/green accent */
  --ac:#2dd4a7;--ac2:#5fe6c1;--ac3:#9af2db;
  --acd:rgba(45,212,167,.15);--acg:rgba(45,212,167,.30);
  --on-ac:#06231b;

  --gr:#34d399;--grd:rgba(52,211,153,.13);
  --am:#fbbf24;--amd:rgba(251,191,36,.13);
  --rd:#f87171;--rdd:rgba(248,113,113,.13);

  --mat-chrome:rgba(14,20,19,.70);
  --mat-raised:rgba(28,37,36,.82);
  --mat-hud:rgba(22,29,28,.80);

  --rsm:8px;--r:13px;--rlg:18px;--rxl:24px;--rpill:980px;

  --sh1:0 1px 2px rgba(0,0,0,.30);
  --sh2:0 6px 22px rgba(0,0,0,.38);
  --sh3:0 30px 90px rgba(0,0,0,.62);
  --thumb:0 1px 4px rgba(0,0,0,.42),0 0 0 .5px rgba(0,0,0,.30);

  --ease:cubic-bezier(.32,.72,0,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  color-scheme:dark;
}
html,body{background:var(--bg)}
body{
  font-family:var(--sans);color:var(--t1);font-size:15px;line-height:1.5;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;letter-spacing:-.01em;
  min-height:100vh;min-height:100dvh;
}
/* Display heading treatment — condensed, tight, all-caps; rendered in system stack */
.display{font-weight:700;letter-spacing:-.02em;font-stretch:condensed}

button,select,input,textarea{font-family:inherit}
:focus-visible{outline:none}
.btn:focus-visible,.tab:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{box-shadow:0 0 0 3.5px var(--acg)}

*{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.20) transparent}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:999px;border:2.5px solid transparent;background-clip:content-box}

/* atmosphere: faint top glow */
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(120% 80% at 50% -10%,rgba(45,212,167,.10),transparent 55%)}
body>*{position:relative;z-index:1}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 18px;border-radius:var(--rpill);font-size:15px;font-weight:600;cursor:pointer;border:none;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .12s var(--ease),box-shadow .2s var(--ease);white-space:nowrap;text-decoration:none;letter-spacing:-.01em}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--ac);color:var(--on-ac);box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--ac2)}
.btn-primary:disabled{background:var(--s4);color:var(--t3);cursor:not-allowed;box-shadow:none}
.btn-ghost{background:var(--s3);color:var(--t1);border:.5px solid var(--b2)}
.btn-ghost:hover{background:var(--s4)}
.btn-danger{background:var(--rdd);color:var(--rd);border:.5px solid transparent}
.btn-danger:hover{background:rgba(248,113,113,.22)}
.btn-sm{padding:7px 13px;font-size:13px}
.btn-block{width:100%}

/* ── Inputs ── */
.input,input[type=text],input[type=password],input[type=email],input[type=number],input[type=date],input[type=time],select,textarea{
  width:100%;padding:12px 14px;font-size:16px;color:var(--t1);
  background:rgba(0,0,0,.24);border:.5px solid var(--b2);border-radius:11px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);letter-spacing:-.01em}
input::placeholder,textarea::placeholder{color:var(--t3)}
input:focus,select:focus,textarea:focus{border-color:var(--acg);box-shadow:0 0 0 3.5px var(--acd);background:rgba(0,0,0,.32)}
textarea{resize:vertical;min-height:80px;line-height:1.5}
select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 20 20' fill='none' stroke='%23869691' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 7.5 10 12.5 15 7.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;padding-right:38px}
label{display:block;font-size:13px;font-weight:500;color:var(--t2);margin-bottom:6px;letter-spacing:-.01em}
.req{color:var(--ac2)}
.note{font-size:12.5px;color:var(--t3);margin-top:5px}

/* ── Cards & surfaces ── */
.card{background:var(--s2);border:.5px solid var(--b1);border-radius:var(--rlg);box-shadow:var(--sh1)}

/* ── Toast (HUD capsule) ── */
.toast{position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom));transform:translateX(-50%) translateY(16px);
  background:var(--mat-hud);backdrop-filter:saturate(180%) blur(24px);-webkit-backdrop-filter:saturate(180%) blur(24px);
  border:.5px solid var(--b2);color:var(--t1);font-size:14px;font-weight:500;
  padding:12px 20px;border-radius:var(--rpill);box-shadow:var(--sh2);
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease-out);z-index:999;white-space:nowrap;max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{color:var(--rd)}

/* ── Modal sheet ── */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  display:none;align-items:flex-end;justify-content:center;z-index:100;animation:fadeIn .25s var(--ease)}
.modal-bg.on{display:flex}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{background:var(--mat-raised);backdrop-filter:saturate(180%) blur(30px);-webkit-backdrop-filter:saturate(180%) blur(30px);
  border:.5px solid var(--b3);border-radius:var(--rxl) var(--rxl) 0 0;padding:24px 22px;
  width:100%;max-width:560px;max-height:92vh;overflow-y:auto;box-shadow:var(--sh3);
  animation:sheetUp .42s var(--ease-out);padding-bottom:calc(24px + env(safe-area-inset-bottom))}
@keyframes sheetUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.modal .grab{width:38px;height:5px;border-radius:3px;background:var(--b3);margin:0 auto 16px}
@media(min-width:560px){
  .modal-bg{align-items:center}
  .modal{border-radius:var(--rxl);max-width:540px;animation:sheetIn .42s var(--ease-out)}
  .modal .grab{display:none}
}
@keyframes sheetIn{from{opacity:0;transform:scale(.92) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* ════ MERGED APP ADDITIONS — attendance, demerits, slips, tabs, layout ════ */

/* App shell */
.app-header{display:flex;align-items:center;gap:14px;padding:14px 18px;
  background:var(--mat-chrome);backdrop-filter:saturate(180%) blur(22px);-webkit-backdrop-filter:saturate(180%) blur(22px);
  border-bottom:.5px solid var(--b1);position:sticky;top:0;z-index:40;padding-top:calc(14px + env(safe-area-inset-top))}
.app-logo{font-size:17px;font-weight:600;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
.app-logo .dot{width:9px;height:9px;border-radius:50%;background:var(--ac);box-shadow:0 0 8px var(--ac)}
.app-logo b{font-weight:600}
.app-sub{font-size:11px;color:var(--t3);text-transform:uppercase;letter-spacing:.08em;border-left:.5px solid var(--b2);padding-left:12px}
.header-right{margin-left:auto;display:flex;align-items:center;gap:10px}

/* Segmented top nav (scrolls horizontally on mobile) */
.nav-tabs{display:flex;gap:2px;background:rgba(0,0,0,.24);padding:3px;border-radius:12px;border:.5px solid var(--b1);
  overflow-x:auto;scrollbar-width:none;max-width:100%}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{flex:0 0 auto;padding:8px 15px;border-radius:9px;font-size:13.5px;font-weight:500;color:var(--t2);
  cursor:pointer;border:none;background:transparent;white-space:nowrap;letter-spacing:-.01em;
  transition:color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease),transform .12s var(--ease)}
.nav-tab:active{transform:scale(.96)}
.nav-tab.active{background:var(--s4);color:var(--t1);box-shadow:var(--thumb)}

/* Page layout */
.main{max-width:1000px;margin:0 auto;padding:18px 16px calc(40px + env(safe-area-inset-bottom))}
.view{display:none;animation:fadeIn .3s var(--ease)}
.view.active{display:block}
.page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.page-title{font-size:26px;font-weight:700;letter-spacing:-.03em}
.page-sub{font-size:13px;color:var(--t3);margin-top:3px}
.flex-gap{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* Context bar: which class is selected */
.context-bar{display:flex;align-items:center;gap:10px;background:var(--s2);border:.5px solid var(--b1);
  border-radius:var(--r);padding:11px 15px;margin-bottom:16px}
.context-bar .ctx-label{font-size:11px;color:var(--t3);text-transform:uppercase;letter-spacing:.06em}
.context-bar select{width:auto;min-width:160px;padding:7px 34px 7px 11px;font-size:14px}

/* Cards */
.section-card{background:var(--s2);border:.5px solid var(--b1);border-radius:var(--rlg);box-shadow:var(--sh1);
  padding:18px;margin-bottom:16px}
.card-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--ac2);margin-bottom:14px;
  display:flex;align-items:center;gap:9px}
.card-title::after{content:'';flex:1;height:.5px;background:var(--b1)}

/* Tables (attendance, history) */
.data-table{width:100%;border-collapse:collapse;font-size:13.5px}
.data-table th{text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;
  color:var(--t3);padding:8px 10px;border-bottom:.5px solid var(--b2);white-space:nowrap}
.data-table td{padding:10px;border-bottom:.5px solid var(--b1);vertical-align:middle}
.data-table tr:last-child td{border-bottom:none}
.data-table .student-name{font-weight:500;color:var(--t1)}
@media(max-width:560px){
  .data-table,.data-table tbody,.data-table tr{display:block}
  .data-table thead{display:none}
  .data-table tr{background:var(--s2);border:.5px solid var(--b1);border-radius:var(--r);margin-bottom:10px;padding:6px 10px}
  .data-table td{display:flex;justify-content:space-between;gap:12px;border-bottom:.5px solid var(--b1);padding:8px 2px}
  .data-table td::before{content:attr(data-label);font-size:11px;color:var(--t3);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
  .data-table td:last-child{border-bottom:none}
}

/* Attendance status buttons (OT / L / AE / AU) */
.status-group{display:inline-flex;gap:4px;background:rgba(0,0,0,.22);padding:3px;border-radius:10px;border:.5px solid var(--b1)}
.status-btn{min-width:38px;padding:7px 10px;border-radius:7px;border:none;background:transparent;color:var(--t2);
  font-size:12.5px;font-weight:600;cursor:pointer;transition:all .15s var(--ease)}
.status-btn:active{transform:scale(.93)}
.status-btn.sel-OT{background:#1f9d6b;color:#04231a}
.status-btn.sel-L{background:var(--am);color:#2a1e02}
.status-btn.sel-AE{background:#3a86c8;color:#03192b}
.status-btn.sel-AU{background:var(--rd);color:#2a0808}

/* Demerit total chip */
.dt-chip{font-family:var(--mono);font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--rpill);white-space:nowrap}
.dt-0{background:var(--s3);color:var(--t3)}
.dt-low{background:var(--grd);color:var(--gr)}
.dt-mid{background:var(--amd);color:var(--am)}
.dt-hi{background:rgba(211,84,0,.18);color:#e8923f}
.dt-out{background:var(--rdd);color:var(--rd)}

/* Demerit code preview */
.code-preview{display:flex;align-items:center;gap:12px;background:rgba(0,0,0,.2);border:.5px solid var(--b1);
  border-radius:11px;padding:12px 14px;margin:10px 0}
.code-num{width:34px;height:34px;border-radius:9px;background:var(--s4);color:var(--ac2);font-weight:700;
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.code-desc{flex:1;font-size:13.5px;line-height:1.4}
.code-asterisk{color:var(--rd);font-weight:700}
.code-pts{font-family:var(--mono);font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--rpill);flex-shrink:0}
.pts-1{background:var(--grd);color:var(--gr)}.pts-2{background:var(--amd);color:var(--am)}
.pts-3{background:rgba(211,84,0,.18);color:#e8923f}.pts-5{background:var(--rdd);color:var(--rd)}
.pts-10{background:var(--rd);color:#fff}

/* Alerts */
.alert{border-radius:11px;padding:11px 14px;font-size:13.5px;margin:10px 0;line-height:1.45}
.alert-success{background:var(--grd);border:.5px solid rgba(52,211,153,.4);color:var(--gr)}
.alert-warn{background:var(--amd);border:.5px solid rgba(251,191,36,.4);color:var(--am)}
.alert-danger{background:var(--rdd);border:.5px solid rgba(248,113,113,.4);color:var(--rd);font-weight:500}

/* Request cards */
.req-card{background:var(--s2);border:.5px solid var(--b1);border-radius:var(--r);padding:14px 16px;margin-bottom:10px}
.req-card.pending{border-left:3px solid var(--am)}
.req-card.approved{border-left:3px solid var(--gr)}
.req-card.denied{border-left:3px solid var(--rd)}
.req-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:8px}
.req-name{font-size:15px;font-weight:600}
.req-meta{font-size:12.5px;color:var(--t3);margin-top:2px}
.req-status{font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:3px 10px;border-radius:var(--rpill);flex-shrink:0}
.rs-pending{background:var(--amd);color:var(--am)}
.rs-approved{background:var(--grd);color:var(--gr)}
.rs-denied{background:var(--rdd);color:var(--rd)}
.req-detail{font-size:13px;color:var(--t2);line-height:1.5;margin-bottom:10px}
.req-actions{display:flex;gap:8px}

/* Print slip + case note */
.output-block{margin-top:16px}
.print-slip{background:#fff;color:#1a1a1a;border-radius:10px;padding:28px;font-family:var(--sans)}
.print-slip h2{font-size:26px;font-weight:800;letter-spacing:1px;color:#10201c}
.print-sub{font-size:11px;color:#666;margin-bottom:14px}
.print-total-banner{background:#10201c;color:#5fe6c1;font-size:13px;font-weight:600;padding:9px 12px;border-radius:6px;margin-bottom:16px}
.print-row{display:flex;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.print-field{flex:1;min-width:120px}
.print-field-label{font-size:10px;text-transform:uppercase;letter-spacing:.5px;color:#888;margin-bottom:3px}
.print-field-value{font-size:14px;color:#1a1a1a;font-weight:500}
.print-incident{background:#f6f5f1;border-left:3px solid #2dd4a7;border-radius:0 6px 6px 0;padding:11px 14px;font-size:13px;line-height:1.5;margin-bottom:16px}
.print-sig-area{display:flex;gap:20px;margin-top:28px;flex-wrap:wrap}
.sig-block{flex:1;min-width:140px}
.sig-line{border-bottom:1.5px solid #1a1a1a;height:30px;margin-bottom:5px}
.sig-label{font-size:11px;color:#666;text-transform:uppercase;letter-spacing:.5px}
.print-disclaimer{margin-top:20px;font-size:11px;color:#777;line-height:1.5;border-top:1px solid #e0ddd5;padding-top:12px}
.case-note{background:rgba(0,0,0,.28);border:.5px solid var(--b1);border-radius:11px;padding:14px;
  font-family:var(--mono);font-size:12.5px;line-height:1.6;color:var(--t2);white-space:pre-wrap;margin:10px 0;max-height:300px;overflow-y:auto}

/* Sidebar (class/student picker on wide screens) */
.empty-state{text-align:center;padding:36px 20px;color:var(--t3);font-size:14px}
.empty-state p{margin:0}

/* Print: only the slip */
@media print{
  body *{visibility:hidden}
  body::before{display:none}
  #print-area,#print-area *{visibility:visible}
  #print-area{position:absolute;left:0;top:0;width:100%}
  .print-slip{box-shadow:none;border-radius:0}
}

/* ── Two-column grid ── */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ── Student profile tab panes ── */
.profile-tab-pane{display:none;animation:fadeIn .3s var(--ease)}
.profile-tab-pane.active{display:block}

/* ════ MOBILE OVERHAUL ════ */
@media(max-width:600px){

  /* Header: compress, hide sub-label, tighten buttons */
  .app-header{padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top));gap:8px}
  .app-sub{display:none}
  .app-logo{font-size:15px}
  .header-right{gap:6px}
  .header-right .btn{padding:6px 11px;font-size:12px}

  /* Nav: tighter pills, smaller text */
  .nav-tabs{padding:2px;gap:1px;margin-bottom:0;border-radius:10px}
  .nav-tab{padding:7px 11px;font-size:12.5px}

  /* Nav wrapper: flush to edges */
  #app > div[style*="max-width:1000px"]{padding:0 10px;margin-top:10px}

  /* Main content padding */
  .main{padding:12px 10px calc(80px + env(safe-area-inset-bottom))}

  /* Context bar: full width select */
  .context-bar{flex-wrap:wrap;padding:9px 12px;gap:8px}
  .context-bar select{flex:1;min-width:0;width:100%}

  /* Section cards: tighter */
  .section-card{padding:12px;border-radius:14px}

  /* Page headers: stack vertically */
  .page-header{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:14px}
  .page-title{font-size:22px}
  .page-header .flex-gap{width:100%}
  .page-header .flex-gap select{flex:1}

  /* Grid 2-col: stack to 1-col on mobile */
  .grid2{grid-template-columns:1fr!important;gap:0}

  /* Attendance table: student name full width, status group wraps */
  .data-table td[data-label="Student"]{font-size:14px;font-weight:600}
  .data-table td[data-label="Status"] .status-group{flex-wrap:wrap;gap:3px}
  .status-btn{min-width:44px;padding:8px 8px;font-size:13px;flex:1}

  /* Student list rows: bigger tap targets */
  #studentListBody > div{padding:14px 4px;min-height:52px}
  #studentListBody .btn-ghost[style*="font-size:15px"]{font-size:15px!important;min-height:44px}

  /* Profile page header: wrap nicely */
  #studentProfilePane .page-header{flex-direction:row;flex-wrap:wrap;align-items:center;gap:8px}
  #studentProfilePane .page-header > div:first-child{flex:1;min-width:0}
  #profileName{font-size:19px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:55vw}

  /* Profile sub-tabs */
  #profileTabs{margin-bottom:12px}
  #profileTabs .nav-tab{padding:7px 12px;font-size:12px}

  /* Bulk action bar: wrap buttons on tiny screens */
  #bulkBar > div{border-radius:14px;flex-wrap:wrap;gap:8px;padding:10px 12px}
  #bulkBar .btn{flex:1;min-width:0;justify-content:center;font-size:12px;padding:8px 10px}
  #bulkCount{width:100%;text-align:center;flex:none}

  /* Demerit profile rows: stack action buttons below content */
  #profileDemBody > div > div,
  #profileNoteBody > div > div{flex-wrap:wrap}
  #profileDemBody .flex-gap,
  #profileNoteBody .flex-gap{width:100%;justify-content:flex-end;margin-top:8px}

  /* Manage view: slug word wrap */
  .note{word-break:break-word;overflow-wrap:anywhere}

  /* Request cards */
  .req-card{padding:12px}
  .req-actions{flex-wrap:wrap}
  .req-actions .btn{flex:1}

  /* Buttons in flex rows */
  .flex-gap{gap:6px}
  .btn-sm{padding:7px 11px;font-size:12.5px}

  /* Demerit code preview: compact */
  .code-preview{gap:8px;padding:10px 12px}
  .code-num{width:30px;height:30px;font-size:13px}

  /* Case note monospace box */
  .case-note{font-size:11.5px;padding:10px;max-height:220px}

  /* Modal: full height on small phones */
  .modal{max-height:96vh;padding:20px 16px;padding-bottom:calc(20px + env(safe-area-inset-bottom))}

  /* Input font size stays 16px to prevent iOS zoom */
  input,select,textarea{font-size:16px!important}

  /* Empty state */
  .empty-state{padding:24px 12px}

  /* History table action column */
  .data-table td:last-child{justify-content:flex-end}
}