@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --bg: #F4F5EE;
  --bg-card: #FFFFFF;
  --bg-sunken: #ECEEE3;
  --ink: #232A22;
  --ink-soft: #5C6456;
  --ink-faint: #90978A;
  --line: #DCDFD1;
  --moss: #2C4A3B;
  --moss-100: #E1E9E1;
  --moss-600: #2C4A3B;
  --ochre: #B98B3E;
  --ochre-100: #F5EBD6;
  --brick: #A5473A;
  --brick-100: #F4E2DE;
  --slate: #46586B;
  --slate-100: #E3E9EF;
  --radius: 14px;
  --font-display: "Fraunces", serif;
  --font-body: "Public Sans", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-display);font-weight:500;margin:0;color:var(--ink);}
a{color:inherit;text-decoration:none;}
button{font-family:var(--font-body);cursor:pointer;}
.mono{font-family:var(--font-mono);}

/* breath-line divider: signature motif, a slow sine wave under section headers */
.breathline{width:64px;height:10px;margin-top:6px;}
.breathline path{fill:none;stroke:var(--moss);stroke-width:1.6;stroke-linecap:round;opacity:.55;}

/* app shell */
.shell{display:flex;min-height:100vh;align-items:flex-start;}
.sidebar{
  width:236px;flex-shrink:0;background:var(--moss);color:#EDEFE4;
  padding:28px 20px;display:flex;flex-direction:column;gap:28px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.sidebar .brand{font-family:var(--font-display);font-size:20px;line-height:1.25;}
.sidebar .brand span{display:block;font-family:var(--font-body);font-size:11px;letter-spacing:.08em;text-transform:uppercase;opacity:.6;margin-top:4px;}
.sidebar nav{display:flex;flex-direction:column;gap:2px;}
.sidebar nav button{
  all:unset;padding:10px 12px;border-radius:10px;font-size:14px;color:#D9DECB;
  display:flex;align-items:center;gap:10px;cursor:pointer;transition:background-color .12s ease;
}
.sidebar nav button:hover{background:rgba(255,255,255,.12);color:#fff;}
.sidebar nav button.active{background:rgba(255,255,255,.14);color:#fff;font-weight:500;}
.sidebar .who{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#B9C0AA;}
.sidebar .who a{color:#EDEFE4;text-decoration:underline;text-underline-offset:2px;}

.main{flex:1;padding:32px 40px 60px;max-width:1180px;}
.pagehead{margin-bottom:26px;}
.pagehead .date{color:var(--ink-faint);font-size:13px;margin-top:4px;}

.view{display:none;}
.view.active{display:block;}

/* cards */
.card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;}
.grid{display:grid;gap:16px;}
.grid.cols-4{grid-template-columns:repeat(4,1fr);}
.grid.cols-5{grid-template-columns:repeat(5,1fr);}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.grid.cols-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:1000px){.grid.cols-4{grid-template-columns:repeat(2,1fr);}.grid.cols-5{grid-template-columns:repeat(2,1fr);}.grid.cols-3{grid-template-columns:repeat(2,1fr);}}

.stat .label{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint);}
.stat .value{font-family:var(--font-display);font-size:30px;margin-top:6px;}
.stat .sub{font-size:13px;color:var(--ink-soft);margin-top:4px;}

.section-title{display:flex;align-items:baseline;justify-content:space-between;margin:34px 0 14px;}
.section-title h2{font-size:19px;}

table{width:100%;border-collapse:collapse;font-size:14px;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.table-scroll table{min-width:600px;}
@media (max-width: 600px){
  .table-scroll::after{content:"← swipe to see more →";display:block;text-align:center;font-size:11px;color:var(--ink-faint);padding-top:4px;}
}
th{text-align:left;font-weight:500;color:var(--ink-faint);font-size:12px;text-transform:uppercase;letter-spacing:.04em;padding:0 12px 10px;border-bottom:1px solid var(--line);}
td{padding:12px;border-bottom:1px solid var(--line);vertical-align:middle;}
tr:last-child td{border-bottom:none;}
tr.rowlink{cursor:pointer;}
tr.rowlink:hover{background:var(--bg-sunken);}

.pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500;}
.pill.paid{background:var(--moss-100);color:var(--moss-600);}
.pill.pending{background:var(--ochre-100);color:#7A5A24;}
.pill.overdue{background:var(--brick-100);color:var(--brick);}
.pill.active{background:var(--moss-100);color:var(--moss-600);}
.pill.hold{background:var(--slate-100);color:var(--slate);}
.pill.left{background:#EEECE6;color:var(--ink-faint);}
.pill.present{background:var(--moss-100);color:var(--moss-600);}
.pill.absent{background:var(--brick-100);color:var(--brick);}
.pill.makeup{background:var(--slate-100);color:var(--slate);}

/* growth tier badge - signature element */
.tier{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-soft);}
.tier svg{width:14px;height:14px;}
.tier.sprout svg path{fill:#8FBF7A;}
.tier.bloom svg path{fill:#4E9A6B;}
.tier.rooted svg path{fill:#2C4A3B;}
.tier.evergreen svg path{fill:#1B3226;}

.btn{
  all:unset;padding:9px 16px;border-radius:9px;font-size:13.5px;font-weight:500;
  background:var(--moss);color:#fff;text-align:center;box-sizing:border-box;
  cursor:pointer;transition:background-color .12s ease, border-color .12s ease, box-shadow .12s ease, transform .06s ease;
}
.btn.secondary{background:var(--bg-sunken);color:var(--ink);}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink);}
.btn.small{padding:6px 12px;font-size:12.5px;}
/* hover: a clear change on every kind of button, so it's obvious it can be clicked */
.btn:hover{background:#1F3A2C;box-shadow:0 2px 6px rgba(35,42,34,.18);}
.btn.secondary:hover{background:#DFE2D3;color:var(--ink);}
.btn.ghost:hover{background:var(--moss-100);border-color:var(--moss);color:var(--moss);}
.btn:active{transform:translateY(1px);box-shadow:none;}
/* keyboard users see where they are */
.btn:focus-visible, button:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible{outline:2px solid var(--moss);outline-offset:2px;}
/* a button that's been switched off (e.g. while "Sending…") looks it */
.btn:disabled, .btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
/* small text links ("clear", "back to today", "See each teacher's page →") */
a.note:hover, .note a:hover, a:not(.btn):not(.namecell):hover{text-decoration:underline;}
a.namecell:hover, .namecell a:hover{text-decoration:underline;}

input[type=text],input[type=search],input[type=date],input[type=number],select{
  padding:9px 12px;border:1px solid var(--line);border-radius:9px;font-size:13.5px;background:#fff;color:var(--ink);
  font-family:var(--font-body);
}

.searchbar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;}

/* side panel */
.overlay{position:fixed;inset:0;background:rgba(35,42,34,.35);display:none;align-items:stretch;justify-content:flex-end;z-index:20;}
.overlay.open{display:flex;}
.panel{width:420px;max-width:92vw;background:var(--bg);height:100%;overflow-y:auto;padding:26px 26px 60px;border-left:1px solid var(--line);}
.panel-close{all:unset;float:right;cursor:pointer;color:var(--ink-faint);font-size:20px;line-height:1;}

.note{font-size:12.5px;color:var(--ink-faint);}
.flag{background:var(--brick-100);color:var(--brick);border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:14px;}
.flag.amber{background:var(--ochre-100);color:#7A5A24;}
.flag.moss{background:var(--moss-100);color:var(--moss);}

.badge-question{
  display:inline-block;background:var(--slate-100);color:var(--slate);font-size:11px;
  padding:2px 8px;border-radius:6px;margin-left:8px;font-weight:500;vertical-align:middle;
}

.qa{border:1px dashed var(--line);border-radius:12px;padding:16px 18px;margin-bottom:12px;background:var(--bg-card);}
.qa .q{font-weight:500;font-size:14px;}
.qa .a{font-size:13px;color:var(--ink-soft);margin-top:6px;}

.progress-track{background:var(--bg-sunken);border-radius:6px;height:8px;overflow:hidden;}
.progress-fill{background:var(--moss);height:100%;}

.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.bar-row .bar-label{width:150px;font-size:13px;color:var(--ink-soft);flex-shrink:0;}
.bar-row .bar-track{flex:1;background:var(--bg-sunken);border-radius:6px;height:14px;overflow:hidden;}
.bar-row .bar-fill{height:100%;border-radius:6px;}
.bar-row .bar-value{width:90px;text-align:right;font-family:var(--font-mono);font-size:12.5px;color:var(--ink-soft);}

/* avatars */
.avatar{
  display:inline-flex;align-items:center;justify-content:center;border-radius:50%;
  font-weight:600;color:#fff;flex-shrink:0;vertical-align:middle;
}
.avatar-moss{background:var(--moss);}
.avatar-ochre{background:#B98B3E;}
.avatar-slate{background:var(--slate);}
.avatar-brick{background:var(--brick);}
.who-row{display:flex;align-items:center;gap:10px;}
.namecell{display:flex;align-items:center;gap:10px;}

/* greeting banner */
.greeting{
  background:var(--moss);color:#EDEFE4;border-radius:var(--radius);padding:16px 20px;margin-bottom:22px;
  display:flex;justify-content:space-between;align-items:center;
}
.greeting .gtext{font-family:var(--font-display);font-size:16px;}
.greeting .gsub{font-size:12.5px;color:#B9C0AA;margin-top:2px;}
.greeting .gclose{all:unset;cursor:pointer;color:#B9C0AA;font-size:18px;}

/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(35,42,34,.4);display:none;align-items:center;justify-content:center;z-index:30;padding:20px;}
.modal-overlay.open{display:flex;}
.modal{background:var(--bg);border-radius:16px;padding:26px 28px;width:480px;max-width:100%;max-height:88vh;overflow-y:auto;}
.modal h2{font-size:19px;}
.field{margin:12px 0;}
.field label{display:block;font-size:12.5px;color:var(--ink-soft);margin-bottom:5px;}
.field input,.field select,.field textarea{width:100%;}
.field .hint{font-size:11.5px;color:var(--ink-faint);margin-top:4px;}
.modal .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.modal .actions{display:flex;gap:10px;margin-top:20px;justify-content:flex-end;}

/* login expander cards (index.html) */
.login-fields{display:none;flex-direction:column;gap:10px;margin-top:12px;}
.login-fields.open{display:flex;}
.login-fields .err{color:var(--brick);font-size:12.5px;display:none;}
.login-fields .err.show{display:block;}
.login-fields .hint{font-size:11.5px;color:var(--ink-faint);}


/* ---- PHP-build additions ---- */

/* live clock in sidebar/header */
.live-clock{font-family:var(--font-mono);font-size:13px;color:#B9C0AA;}

/* PIN entry screen */
.pin-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--moss);}
.pin-card{background:var(--bg);border-radius:20px;padding:44px 40px;width:360px;max-width:90vw;text-align:center;}
.pin-dots{display:flex;gap:12px;justify-content:center;margin:22px 0;}
.pin-input{width:56px;height:64px;text-align:center;font-size:26px;font-family:var(--font-mono);border:1px solid var(--line);border-radius:10px;}

/* attendance: bigger, friendlier check-in cards */
.att-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;}
.att-card{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff;transition:border-color .15s;}
.att-card.marked-present{border-color:var(--moss);background:var(--moss-100);}
.att-card.marked-absent{border-color:var(--brick);background:var(--brick-100);}
.att-card .att-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.att-card .att-name{font-weight:500;font-size:14.5px;}
.att-card .att-time{font-size:11.5px;color:var(--ink-faint);margin-top:2px;}
.att-toggle{display:flex;gap:8px;}
.att-toggle button{
  flex:1;all:unset;text-align:center;padding:10px 0;border-radius:9px;font-size:13px;font-weight:500;
  border:1px solid var(--line);cursor:pointer;color:var(--ink-soft);
}
.att-toggle button:not(.on):hover{border-color:var(--moss);background:var(--moss-100);}
.att-toggle button.present.on{background:var(--moss);color:#fff;border-color:var(--moss);}
.att-toggle button.absent.on{background:var(--brick);color:#fff;border-color:var(--brick);}

/* compact attendance rows — used once a batch has more than a handful of students */
.att-row-list{display:flex;flex-direction:column;}
.att-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:9px 4px;border-bottom:1px solid var(--line);
}
.att-row:last-child{border-bottom:none;}
.att-row .att-row-name{display:flex;align-items:center;gap:10px;font-size:14px;flex:1;min-width:0;overflow:hidden;}
.att-row .att-row-name img,.att-row .att-row-name > div:first-child{flex-shrink:0;}
.att-name-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.att-row .att-row-time{font-size:11px;color:var(--ink-faint);margin-left:4px;}
.att-row .att-toggle{flex-shrink:0;}
.att-row .att-toggle button{padding:6px 12px;font-size:12.5px;}
.att-row.marked-present{background:var(--moss-100);}
.att-row.marked-absent{background:var(--brick-100);}
@media (max-width: 400px){
  .att-row .att-toggle button{padding:6px 8px;font-size:11.5px;}
}

/* batch tabs for attendance marking */
.batch-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px;}
.batch-tab{
  all:unset;padding:9px 16px;border-radius:20px;font-size:13.5px;cursor:pointer;
  border:1px solid var(--line);color:var(--ink-soft);background:#fff;
}
.batch-tab.active{background:var(--moss);color:#fff;border-color:var(--moss);}
.batch-tab .tab-count{opacity:.75;margin-left:4px;}
.att-batch-panel{display:none;}
.att-batch-panel.active{display:block;}
.att-search{margin-bottom:14px;}

/* explanatory callout */
.explain{background:var(--slate-100);color:var(--slate);border-radius:12px;padding:14px 16px;font-size:13px;margin-bottom:18px;}

/* message compose */
.channel-toggle{display:flex;gap:8px;margin:10px 0;}
.channel-toggle label{flex:1;border:1px solid var(--line);border-radius:9px;padding:9px;text-align:center;font-size:13px;cursor:pointer;}
.channel-toggle input{margin-right:6px;}

.alert-ok{background:var(--moss-100);color:var(--moss-600);border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:16px;}
.alert-err{background:var(--brick-100);color:var(--brick);border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:16px;}

/* ---- responsive: tablet & mobile ---- */
@media (max-width: 1000px){
  .grid.cols-4{grid-template-columns:repeat(2,1fr);}
  .grid.cols-5{grid-template-columns:repeat(2,1fr);}
  .grid.cols-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width: 860px){
  .shell{flex-direction:column;}
  .sidebar{
    width:100%;height:auto;flex-direction:row;align-items:center;flex-wrap:wrap;padding:14px 18px;gap:14px;
    position:sticky;top:0;z-index:15;overflow-y:visible;
  }
  .sidebar .brand{font-size:16px;margin-right:auto;}
  .sidebar .brand span{display:none;}
  .sidebar nav{
    flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:4px;width:100%;order:3;
    -webkit-overflow-scrolling:touch;padding-bottom:2px;
  }
  .sidebar nav button{white-space:nowrap;padding:8px 12px;font-size:13px;}
  .sidebar .who{margin-top:0;padding-top:0;border-top:none;order:2;font-size:12px;display:flex;align-items:center;gap:10px;}
  .sidebar .who .live-clock{display:none;}
  .main{padding:20px 16px 40px;}
}
@media (max-width: 600px){
  .grid.cols-4,.grid.cols-5,.grid.cols-3,.grid.cols-2{grid-template-columns:1fr;}
  .pagehead{flex-direction:column;align-items:flex-start !important;gap:10px;}
  .pagehead h1{font-size:22px;}
  table{font-size:13px;}
  th,td{padding:8px 6px;}
  .searchbar{flex-direction:column;align-items:stretch;}
  .searchbar input,.searchbar select{width:100%;}
  .att-grid{grid-template-columns:1fr;}
  .modal{width:100%;padding:20px;}
  .row2{grid-template-columns:1fr;}
  .panel{width:100%;}
  .card{padding:16px;}
}
@media (pointer: coarse){
  .btn, .att-toggle button, .btn.small{min-height:40px;}
  input, select, textarea{font-size:16px;} /* prevents iOS auto-zoom on focus */
}