:root{--navy:#0B3B5A;--teal:#0E9384;--bg:#F4F7FA;--card:#fff;--ink:#1f2937;--mut:#6b7280;--green:#16a34a;--amber:#d97706;--red:#dc2626;--r:14px;--sh:0 8px 24px rgba(11,59,90,.08)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--ink)}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:258px;background:var(--navy);color:#dbeafe;padding:18px 14px;display:flex;flex-direction:column;gap:6px;z-index:20;transition:.25s;overflow-y:auto}
.brand{display:flex;gap:10px;align-items:center;color:#fff;font-size:20px}.brand small{display:block;font-size:11px;color:#9fd8cf;font-weight:500}
.menu-label{margin:14px 8px 4px;font-size:11px;letter-spacing:.12em;color:#8fb6c9;text-transform:uppercase}
.sidebar nav a{display:flex;gap:10px;align-items:center;color:#cfe3ee;text-decoration:none;padding:10px 12px;border-radius:10px;font-size:14px;font-weight:500}
.sidebar nav a:hover{background:rgba(255,255,255,.08);color:#fff}.sidebar nav a.active{background:var(--teal);color:#fff}
.user-card{margin-top:auto;background:rgba(255,255,255,.08);border-radius:12px;padding:10px;display:flex;gap:10px;align-items:center;color:#fff;flex-shrink:0}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--teal);display:grid;place-items:center;font-weight:800}
.main{margin-left:258px;min-height:100vh;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;background:#fff;display:flex;gap:14px;align-items:center;padding:12px 20px;box-shadow:var(--sh);z-index:10}
.icon-btn{border:0;background:#eef4f6;border-radius:10px;padding:9px 11px;cursor:pointer}
.search{position:relative;flex:1;max-width:420px}.search input{width:100%;padding:10px 12px 10px 36px;border:1px solid #e5e7eb;border-radius:10px}
.search i{position:absolute;left:12px;top:12px;color:var(--mut)}#gresults{position:absolute;background:#fff;width:100%;border-radius:10px;box-shadow:var(--sh)}
.profile{position:relative;cursor:pointer}.profile .drop{display:none;position:absolute;right:0;background:#fff;box-shadow:var(--sh);border-radius:10px;min-width:150px}
.profile:hover .drop{display:block}.drop a{display:block;padding:10px 14px;color:var(--ink);text-decoration:none}
.content{padding:22px;display:flex;flex-direction:column;gap:18px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.grid2{display:grid;grid-template-columns:2fr 1fr;gap:16px}.grid3{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px}
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:18px}
.stat{display:flex;gap:12px;align-items:center}.tile{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;color:#fff;font-size:22px}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}
.b-green{background:#dcfce7;color:#15803d}.b-amber{background:#fef3c7;color:#b45309}.b-red{background:#fee2e2;color:#b91c1c}.b-blue{background:#dbeafe;color:#1d4ed8}.b-gray{background:#e5e7eb;color:#374151}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:10px;border-bottom:1px solid #eef2f7;text-align:left}
.btn{background:var(--teal);color:#fff;border:0;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block}
.btn.ghost{background:#eef4f6;color:var(--navy)}.btn.danger{background:var(--red)}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #dbe3ea;border-radius:10px;font-size:14px;background:#fff;color:var(--ink)}
input::placeholder,textarea::placeholder{color:#9ca3af;opacity:1}
label{font-size:13px;font-weight:600;color:#334155}form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.split{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.split .art{background:linear-gradient(135deg,#0B3B5A,#0E9384);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.split .form{padding:48px;max-width:560px;width:100%;margin:auto}.code6{display:flex;gap:8px}.code6 input{width:48px;height:52px;text-align:center;font-size:22px;font-weight:800}
.password-field{position:relative}.password-field input{padding-right:46px}.password-field>.password-toggle{position:absolute;top:1px;right:1px;bottom:1px;width:40px;height:auto;display:flex;align-items:center;justify-content:center;border:0;border-radius:0 9px 9px 0;background:#fff;color:#64748b;padding:8px;cursor:pointer;z-index:1}.password-field>.password-toggle:hover{color:var(--navy)}
.toast{position:fixed;right:18px;bottom:18px;background:#0B3B5A;color:#fff;padding:12px 18px;border-radius:12px;z-index:99}
.student-notification-alert{position:fixed;z-index:100;top:24px;left:16px;width:min(380px,calc(100vw - 32px));display:flex;align-items:flex-start;gap:12px;padding:16px;text-align:left;color:var(--ink);background:#fff;border:1px solid #ccfbf1;border-left:5px solid var(--teal);border-radius:14px;box-shadow:0 12px 32px rgba(11,59,90,.22);cursor:pointer;transform:translateX(calc(-100% - 32px));transition:transform .35s ease}
.student-notification-alert[hidden]{display:none}
.student-notification-alert.is-visible{transform:translateX(0)}
.student-notification-alert.is-exiting{transform:translateX(calc(100vw + 32px))}
.student-notification-icon{width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;border-radius:50%;background:#ccfbf1;color:var(--teal)}
.student-notification-copy{display:grid;gap:5px;min-width:0}
.student-notification-copy strong{color:var(--navy);font-size:15px}
.student-notification-copy>span{font-size:13px;overflow-wrap:anywhere}
.student-notification-copy small{color:var(--mut);font-size:11px}
.student-notification-alert:focus-visible{outline:3px solid var(--teal);outline-offset:3px}
@media(prefers-reduced-motion:reduce){.student-notification-alert{transition:none}}
.v-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:800;background:#dcfce7;color:#15803d;border:1px solid #86efac;white-space:nowrap}
.v-badge i{font-size:14px}
.verify-ok{display:flex;align-items:center;gap:8px;background:#dcfce7;border:1px solid #86efac;color:#15803d;padding:10px 14px;border-radius:10px;font-weight:600}
.verify-ok i{font-size:18px}
.verify-warn{display:flex;align-items:center;gap:8px;background:#fef3c7;border:1px solid #fcd34d;color:#92400e;padding:10px 14px;border-radius:10px;font-weight:600}
.qa-tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px}.qa{background:#f0fdfa;border:1px solid #ccfbf1;border-radius:12px;padding:14px;text-decoration:none;color:var(--navy);font-weight:700}
.footer{text-align:center;color:var(--mut);font-size:12px;padding:16px}
/* Phase 1: slot picker, profile card, empty states, scrollable tables, a11y */
.slot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;margin-top:8px}
.slot{border:1.5px solid #0E9384;background:#ecfdf5;color:#0B3B5A;border-radius:10px;padding:9px 6px;font-weight:700;font-size:13px;cursor:pointer}
.slot:hover{background:#d1fae5}
.slot.sel{background:#0E9384;color:#fff;box-shadow:0 0 0 2px #0B3B5A inset}
.slot.taken{background:#e5e7eb;border-color:#d1d5db;color:#9ca3af;cursor:not-allowed;text-decoration:line-through}
.slot-msg{font-size:13px;color:var(--mut);margin:6px 0;min-height:20px}
.muted{color:var(--mut)}
.empty-state{text-align:center;color:var(--mut);padding:18px 10px;font-style:italic}
.row.appointment-fields{grid-template-columns:repeat(3,minmax(0,1fr))}
.row.appointment-fields.student{grid-template-columns:repeat(2,minmax(0,1fr))}
.user-edit-form{display:flex;align-items:center;gap:6px;min-width:230px}
.user-edit-form select{flex:1 1 0;min-width:85px;width:auto;padding:10px 8px}
.user-edit-form .btn{flex:0 0 auto;min-width:58px;white-space:nowrap;padding:10px}
.service-card{display:flex;flex-direction:column;align-items:flex-start}
.service-card>.btn{display:flex;align-items:center;justify-content:center;align-self:stretch;width:100%;min-height:78px;margin-top:auto;text-align:center}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-wrap table{min-width:640px}
.user-card-v{align-items:flex-start}
.user-card-v>a{width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;border-radius:8px;color:#a855f7;text-decoration:none}
.user-card-v>a:hover{background:rgba(255,255,255,.12);color:#e9d5ff}
.user-meta{display:flex;flex-direction:column;gap:1px;min-width:0;flex:1}
.user-meta b{font-size:14px;line-height:1.25}
.user-meta small{display:block;font-size:11.5px;color:#bcd7e3;line-height:1.35}
.user-meta small.email{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:150px}
.user-meta .v-badge,.user-meta .badge{align-self:flex-start;margin-top:4px;font-size:11px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.demo-accounts{margin-top:22px;padding:16px;background:#f0fdfa;border:1px solid #ccfbf1;border-radius:12px}
.demo-accounts h3{margin:0 0 6px;color:var(--navy);font-size:17px}
.demo-accounts>p{margin:0 0 12px;color:var(--mut);font-size:13px}
.demo-account-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:12px}
.demo-account{min-width:0;padding:12px;background:#fff;border:1px solid #dbe3ea;border-radius:10px;cursor:pointer}
.demo-account:hover,.demo-account:focus-visible{border-color:var(--teal);box-shadow:0 0 0 2px rgba(14,147,132,.15)}
.demo-account h4{margin:0 0 8px;color:var(--navy);font-size:14px}
.demo-account dl{margin:0;font-size:12px}
.demo-account dt{color:var(--mut);font-weight:600}
.demo-account dd{margin:2px 0 8px;overflow-wrap:anywhere}
.demo-account dd:last-child{margin-bottom:0}
.demo-account code{color:var(--ink);font-family:Consolas,monospace}
.demo-accounts>small{color:var(--mut);font-size:11px}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.appointment-status-form{display:flex;align-items:center;gap:6px;min-width:190px}
.appointment-status-form select{flex:1;min-width:0}
.appointment-status-form .btn{flex:0 0 auto;min-width:52px;white-space:nowrap;padding:10px 12px}
.resched label{display:inline-block;margin:4px 8px 4px 0}
/* keyboard focus visibility (a11y) */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #0E9384;outline-offset:2px}
@media(max-width:1000px){.sidebar{transform:translateX(-100%)}body.sb-collapsed .sidebar{transform:none;margin-left:0;z-index:30}body.sb-collapsed:before{content:"";position:fixed;inset:0;background:rgba(15,23,42,.42);z-index:19}.main{margin-left:0}.split{grid-template-columns:1fr}.split .art{display:none}.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid2,.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;grid-template-areas:"menu title date profile" "search search verified bell";gap:8px}.topbar>.icon-btn:first-child{grid-area:menu}.topbar>b{grid-area:title;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar>.search{grid-area:search;width:100%;max-width:none}.topbar>.date{grid-area:date;white-space:nowrap;font-size:13px}.topbar>.v-badge,.topbar>.badge{grid-area:verified;justify-self:end}.topbar>.bell{grid-area:bell;justify-self:center}.topbar>.profile{grid-area:profile;justify-self:end;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}body.sb-collapsed .topbar{z-index:25}}
@media(min-width:1001px) and (max-width:1400px){.topbar{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;grid-template-areas:"menu title date profile" "search search verified bell";gap:8px}.topbar>.icon-btn:first-child{grid-area:menu}.topbar>b{grid-area:title;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar>.search{grid-area:search;width:100%;max-width:none}.topbar>.date{grid-area:date;white-space:nowrap;font-size:13px}.topbar>.v-badge,.topbar>.badge{grid-area:verified;justify-self:end}.topbar>.bell{grid-area:bell;justify-self:center}.topbar>.profile{grid-area:profile;justify-self:end;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
@media(min-width:1001px){body.sb-collapsed .sidebar{margin-left:-258px}}
body.sb-collapsed .main{margin-left:0}

/* Keep dashboard layouts and form fields within narrow viewports. */
.main,.content,.card,.grid2,.grid3,.grid4{min-width:0}
.card{overflow-wrap:anywhere}
img,canvas,svg{max-width:100%}
form .row>*{min-width:0}
.topbar>*{min-width:0}
#gresults{z-index:15;max-width:100%;overflow-wrap:anywhere}

@media(max-width:800px){
  .row.appointment-fields,.row.appointment-fields.student{grid-template-columns:1fr}
  .table-wrap{overflow:visible}
  .table-wrap table,.table-wrap tbody{display:block;width:100%;min-width:0}
  .table-wrap tr:first-child{display:none}
  .table-wrap tr:not(:first-child){display:block;margin:0 0 12px;padding:8px 12px;border:1px solid #e5eaf0;border-radius:12px;background:#fff;box-shadow:0 3px 10px rgba(11,59,90,.05)}
  .table-wrap td{display:grid;grid-template-columns:minmax(88px,34%) minmax(0,1fr);gap:8px;padding:9px 0;overflow-wrap:anywhere;word-break:break-word}
  .table-wrap td:before{content:attr(data-label);font-size:12px;font-weight:700;color:var(--mut)}
  .table-wrap td[colspan]{display:block;text-align:center}
  .table-wrap td[colspan]:before{content:none}
  .table-wrap td form{display:flex;flex-wrap:wrap;gap:6px;min-width:0;width:100%}
  .table-wrap td form select,.table-wrap td form input{min-width:0;flex:1 1 100%}
  .table-wrap td form .btn{flex:1 1 auto}
  .table-wrap td .btn{max-width:100%;white-space:normal}
}
@media(max-width:800px){.service-card>.btn{min-height:48px}}
@media(max-width:700px){
  .topbar{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;grid-template-areas:"menu title bell profile" "search search search search" "date date verified verified";gap:8px;padding:10px 12px}
  .topbar>.icon-btn:first-child{grid-area:menu}
  .topbar>b{grid-area:title;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .topbar>.search{grid-area:search;width:100%;max-width:none}
  .topbar>.date{grid-area:date;white-space:normal;font-size:12px}
  .topbar>.v-badge,.topbar>.badge{grid-area:verified;justify-self:end}
  .topbar>.bell{grid-area:bell;justify-self:center}
  .topbar>.profile{grid-area:profile;justify-self:end;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .content{padding:14px;gap:14px}
  .card{padding:14px}
  .grid4,.grid2,.grid3{grid-template-columns:minmax(0,1fr)}
  form .row{grid-template-columns:minmax(0,1fr);gap:8px}
  .split .form{padding:24px 18px}
  .verify-ok,.verify-warn{align-items:flex-start;flex-wrap:wrap;overflow-wrap:anywhere}
}
@media(max-width:380px){
  .topbar{grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"menu title profile" "search search search" "date date verified" "bell bell bell"}
  .topbar>.bell{justify-self:start}
  .table-wrap td{grid-template-columns:minmax(74px,32%) minmax(0,1fr);gap:6px;font-size:13px}
  .code6{gap:4px}.code6 input{min-width:0;width:calc((100% - 20px)/6)}
}