/* ==========================================================================
   DhakaTutor.com — 2026 design system
   Palette: bottle green (trust), marigold (warmth / call to action), paper.
   Type: Bricolage Grotesque (display), Hind Siliguri (body, Latin + Bangla),
         IBM Plex Mono (IDs, salary figures).
   This file also restyles the legacy view markup (#user_show, .tutor_ad,
   tables, forms, pagination) so every existing page picks up the new look.
   ========================================================================== */

:root {
  --green-900: #083B2D;
  --green-800: #0B4F3C;
  --green-700: #0F6B51;
  --green-100: #E3EFE8;
  --green-50:  #F1F7F3;
  --marigold:  #F2A93B;
  --marigold-600: #D98B16;
  --marigold-100: #FDF0DA;
  --ink:       #13201B;
  --ink-2:     #3A4A43;
  --muted:     #5B6B63;
  --line:      #DCE4DE;
  --paper:     #F6F8F5;
  --card:      #FFFFFF;
  --danger:    #B42318;
  --radius:    10px;
  --radius-sm: 6px;
  --shadow:    0 1px 2px rgba(8, 59, 45, .06), 0 4px 16px rgba(8, 59, 45, .06);
  --display: "Bricolage Grotesque", "Hind Siliguri", system-ui, sans-serif;
  --body: "Hind Siliguri", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --wrap: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.65 var(--body);
}
img { max-width: 100%; height: auto; }
a { color: var(--green-700); text-underline-offset: 3px; }
a:hover { color: var(--green-900); }
:focus-visible { outline: 3px solid var(--marigold); outline-offset: 2px; border-radius: 4px; }

h1, h2, h3, h4 { font-family: var(--display); color: var(--ink); line-height: 1.2; text-wrap: balance; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.7rem, 1.2rem + 2vw, 2.4rem); font-weight: 700; }
h2 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.75rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }

.dt-wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 8px; top: -60px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: var(--radius-sm); z-index: 100; }
.skip-link:focus { top: 8px; color: #fff; }

/* ---------- Buttons ---------- */
.btn, input[type=submit], button[type=submit], input[type=button] {
  display: inline-flex; align-items: center; justify-content: center; gap: .45em;
  font: 600 15px/1 var(--body);
  padding: .8em 1.25em; min-height: 44px;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  background: var(--green-800); color: #fff; cursor: pointer; text-decoration: none;
  transition: background .15s, transform .15s;
}
.btn:hover, input[type=submit]:hover, button[type=submit]:hover { background: var(--green-900); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn-accent { background: var(--marigold); color: var(--ink); }
.btn-accent:hover { background: var(--marigold-600); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--green-800); border-color: var(--line); }
.btn-ghost:hover { background: var(--green-50); color: var(--green-900); }

/* ---------- Forms (applies to every legacy form too) ---------- */
input[type=text], input[type=email], input[type=password], input[type=number], input[type=tel],
input[type=search], input[type=date], input[type=file], select, textarea {
  width: 100%; max-width: 100%;
  font: 400 15px/1.4 var(--body); color: var(--ink);
  padding: .7em .85em; min-height: 44px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--card);
}
textarea { min-height: 120px; }
input:focus, select:focus, textarea:focus { border-color: var(--green-700); outline: 3px solid var(--green-100); }
label { font-weight: 500; color: var(--ink-2); }
form td input, form td select, form td textarea { margin-block: 3px; }

/* ---------- Top strip ---------- */
.dt-strip { background: var(--green-900); color: #CFE3D8; font-size: 14px; }
.dt-strip .dt-wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 6px 18px; min-height: 38px; }
.dt-strip a { color: #fff; text-decoration: none; font-weight: 600; }
.dt-strip .hotline { font-family: var(--mono); letter-spacing: .02em; }
.dt-strip .dt-strip-links { display: flex; gap: 16px; }

/* ---------- Header / nav ---------- */
.dt-header { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.dt-header .dt-wrap { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.dt-logo { display: inline-flex; align-items: baseline; gap: 2px; text-decoration: none; font: 800 1.55rem/1 var(--display); color: var(--green-900); letter-spacing: -.03em; }
.dt-logo span { color: var(--marigold-600); }
.dt-logo small { font: 500 11px/1 var(--mono); color: var(--muted); letter-spacing: .08em; margin-left: 8px; text-transform: uppercase; }
.dt-nav { margin-left: auto; }
.dt-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 2px; }
.dt-nav li { position: relative; }
.dt-nav a { display: block; padding: 10px 12px; border-radius: var(--radius-sm); color: var(--ink-2); font-weight: 500; text-decoration: none; white-space: nowrap; }
.dt-nav a:hover, .dt-nav a[aria-current=page] { background: var(--green-50); color: var(--green-900); }
.dt-nav .nav-cta a { background: var(--marigold); color: var(--ink); font-weight: 600; margin-left: 6px; }
.dt-nav .nav-cta a:hover { background: var(--marigold-600); }
.dt-nav li ul { display: none; position: absolute; top: 100%; left: 0; min-width: 190px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 6px; flex-direction: column; align-items: stretch; }
.dt-nav li:hover > ul, .dt-nav li:focus-within > ul { display: flex; }
.dt-menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: var(--radius-sm); width: 44px; height: 44px; padding: 0; cursor: pointer; }
.dt-menu-btn span { display: block; width: 20px; height: 2px; background: var(--ink); margin: 4px auto; }

@media (max-width: 920px) {
  .dt-menu-btn { display: block; }
  .dt-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--card); border-bottom: 1px solid var(--line); display: none; padding: 8px 16px 16px; box-shadow: var(--shadow); }
  .dt-nav.open { display: block; }
  .dt-nav ul { flex-direction: column; align-items: stretch; }
  .dt-nav li ul { position: static; display: flex; box-shadow: none; border: 0; padding: 0 0 0 14px; }
  .dt-nav .nav-cta a { margin: 6px 0 0; text-align: center; }
  .dt-strip .dt-strip-links { display: none; }
}

/* ---------- Flash message ---------- */
.dt-flash { background: var(--marigold-100); border: 1px solid #F3D29B; color: #5C3B00; padding: 12px 16px; border-radius: var(--radius); margin-bottom: 20px; font-weight: 500; }

/* ---------- Page layout ---------- */
.dt-main { padding-block: 28px 48px; }
.dt-grid { display: grid; grid-template-columns: 240px minmax(0, 1fr) 280px; gap: 28px; align-items: start; }
.dt-grid.no-left { grid-template-columns: minmax(0, 1fr) 300px; }
@media (max-width: 1060px) { .dt-grid, .dt-grid.no-left { grid-template-columns: minmax(0, 1fr); } .dt-side-left { order: 2; } .dt-side-right { order: 3; } }
.dt-content { min-width: 0; }
.dt-content > h1:first-child, .dt-content > h2:first-child { margin-top: 0; }

.dt-panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.dt-panel + .dt-panel { margin-top: 18px; }
.dt-panel h3 { font-size: 1rem; margin-bottom: 12px; }
.dt-eyebrow { font: 600 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--green-700); margin-bottom: 10px; display: block; }

.dt-sidenav { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.dt-sidenav a { display: flex; justify-content: space-between; padding: 9px 10px; border-radius: var(--radius-sm); text-decoration: none; color: var(--ink-2); }
.dt-sidenav a::after { content: "›"; color: var(--muted); }
.dt-sidenav a:hover { background: var(--green-50); color: var(--green-900); }

.dt-stack { display: flex; flex-direction: column; gap: 10px; }
.dt-help { display: grid; grid-template-columns: 56px 1fr; gap: 12px; align-items: center; }
.dt-help img { border-radius: 50%; width: 56px; height: 56px; object-fit: cover; }

/* ---------- Hero / search ---------- */
.dt-hero { background: var(--green-800); color: #EAF4EE; position: relative; overflow: hidden; }
.dt-hero::before { /* chalk-grid texture: a nod to the exercise book */
  content: ""; position: absolute; inset: 0; opacity: .08; pointer-events: none;
  background-image: linear-gradient(#fff 1px, transparent 1px), linear-gradient(90deg, #fff 1px, transparent 1px);
  background-size: 28px 28px;
}
.dt-hero .dt-wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; align-items: center; padding-block: 52px 56px; }
@media (max-width: 900px) { .dt-hero .dt-wrap { grid-template-columns: 1fr; padding-block: 36px 40px; gap: 28px; } }
.dt-hero h1 { color: #fff; font-size: clamp(2rem, 1.3rem + 3vw, 3.2rem); font-weight: 800; letter-spacing: -.03em; margin-bottom: 14px; }
.dt-hero h1 em { font-style: normal; color: var(--marigold); }
.dt-hero p.lead { font-size: 1.1rem; color: #C9E0D3; max-width: 34em; }
.dt-hero-stats { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 22px; }
.dt-hero-stats div { display: flex; flex-direction: column; }
.dt-hero-stats b { font: 700 1.6rem/1.1 var(--display); color: #fff; font-variant-numeric: tabular-nums; }
.dt-hero-stats span { font-size: 13px; color: #A9C9B8; }

.dt-search { background: var(--card); color: var(--ink); border-radius: 14px; padding: 22px; box-shadow: 0 20px 40px rgba(0,0,0,.18); }
.dt-search h2 { font-size: 1.2rem; margin-bottom: 4px; }
.dt-search p { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.dt-search .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .dt-search .row { grid-template-columns: 1fr; } }
.dt-search label { display: block; font-size: 13px; margin-bottom: 4px; }
.dt-search .btn { width: 100%; margin-top: 14px; }
.dt-search .alt { display: block; text-align: center; font-size: 14px; margin-top: 12px; color: var(--muted); }

/* ---------- Home sections ---------- */
.dt-section { padding-block: 44px; }
.dt-section + .dt-section { border-top: 1px solid var(--line); }
.dt-section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 12px; margin-bottom: 22px; }
.dt-section-head h2 { margin: 0; }
.dt-section-head p { margin: 4px 0 0; color: var(--muted); }

.dt-cats { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.dt-cat { display: flex; flex-direction: column; gap: 4px; padding: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink); transition: border-color .15s, transform .15s; }
.dt-cat:hover { border-color: var(--green-700); transform: translateY(-2px); color: var(--ink); }
.dt-cat b { font: 700 1.05rem/1.2 var(--display); }
.dt-cat span { font-size: 13px; color: var(--muted); }
.dt-cat i { font: 600 11px/1 var(--mono); color: var(--green-700); font-style: normal; letter-spacing: .08em; text-transform: uppercase; }

.dt-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: step; }
@media (max-width: 760px) { .dt-steps { grid-template-columns: 1fr; } }
.dt-step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; counter-increment: step; }
.dt-step::before { content: counter(step); display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--marigold-100); color: var(--marigold-600); font: 700 15px/1 var(--mono); margin-bottom: 12px; }
.dt-step h3 { margin-bottom: 6px; }
.dt-step p { color: var(--muted); margin: 0; font-size: 15px; }
.dt-two { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 860px) { .dt-two { grid-template-columns: 1fr; } }
.dt-two h3 { display: flex; align-items: center; gap: 10px; }
.dt-two h3 small { font: 600 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; background: var(--green-100); color: var(--green-800); padding: 5px 8px; border-radius: 99px; }

/* Tuition job cards */
.dt-jobs { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.dt-job { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.dt-job-top { display: flex; justify-content: space-between; gap: 8px; font: 500 12px/1 var(--mono); color: var(--muted); }
.dt-job h3 { font-size: 1.05rem; margin: 0; }
.dt-job .meta { display: flex; flex-wrap: wrap; gap: 6px; }
.dt-job .pay { font: 600 1rem/1 var(--mono); color: var(--green-800); margin-top: auto; padding-top: 8px; border-top: 1px dashed var(--line); display: flex; justify-content: space-between; align-items: center; }
.dt-job .pay a { font: 600 14px/1 var(--body); }
.chip { display: inline-flex; align-items: center; font-size: 12.5px; padding: 4px 9px; border-radius: 99px; background: var(--green-50); color: var(--green-800); border: 1px solid var(--green-100); }
.chip.warm { background: var(--marigold-100); color: #7A4A00; border-color: #F6DDB0; }

.dt-areas { display: flex; flex-wrap: wrap; gap: 8px; }
.dt-areas a { padding: 7px 12px; background: var(--card); border: 1px solid var(--line); border-radius: 99px; text-decoration: none; color: var(--ink-2); font-size: 14px; }
.dt-areas a:hover { border-color: var(--green-700); color: var(--green-900); }

.dt-prose { max-width: 68ch; color: var(--ink-2); }
.dt-prose p { margin-bottom: 1em; }
details.dt-more summary { cursor: pointer; font-weight: 600; color: var(--green-800); padding-block: 8px; }

.dt-cta-band { background: var(--marigold-100); border: 1px solid #F3D29B; border-radius: 14px; padding: 26px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; }
.dt-cta-band h2 { margin: 0 0 4px; }
.dt-cta-band p { margin: 0; color: #6A4A12; }

/* ---------- Tutor ad cards (master) ---------- */
.dt-ads { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.dt-ad { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.dt-ad h3 { font-size: 1rem; margin: 0; }
.dt-ad h3 a { color: var(--ink); text-decoration: none; }
.dt-ad h3 a:hover { color: var(--green-700); }
.dt-ad p { color: var(--muted); font-size: 14.5px; margin: 0; }
.dt-ad .links { display: flex; gap: 14px; margin-top: auto; font-size: 14px; font-weight: 600; }

/* ---------- Tutor list (new card view) ---------- */
.dt-tutors { display: flex; flex-direction: column; gap: 12px; }
.dt-tutor { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; gap: 16px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.dt-tutor img { width: 72px; height: 72px; border-radius: 12px; object-fit: cover; background: var(--green-50); }
.dt-tutor h3 { margin: 0 0 4px; font-size: 1.05rem; }
.dt-tutor h3 a { color: var(--ink); text-decoration: none; }
.dt-tutor .facts { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 14px; color: var(--muted); }
.dt-tutor .facts b { color: var(--ink-2); font-weight: 600; }
.dt-tutor .pay { text-align: right; font: 600 1rem/1.2 var(--mono); color: var(--green-800); }
.dt-tutor .pay small { display: block; font: 400 12px/1 var(--body); color: var(--muted); margin-bottom: 6px; }
@media (max-width: 600px) { .dt-tutor { grid-template-columns: 56px minmax(0, 1fr); } .dt-tutor img { width: 56px; height: 56px; } .dt-tutor .pay { grid-column: 1 / -1; text-align: left; display: flex; justify-content: space-between; align-items: center; } }
.dt-note { background: var(--green-50); border: 1px solid var(--green-100); border-radius: var(--radius); padding: 16px 18px; color: var(--ink-2); margin-top: 22px; }

/* ---------- Pagination (CodeIgniter output) ---------- */
.pagination, .dt-pagination { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 22px; }
.pagination p, .dt-pagination p { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.pagination a, .pagination strong, .dt-pagination a, .dt-pagination strong { display: inline-grid; place-items: center; min-width: 40px; height: 40px; padding: 0 10px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--card); text-decoration: none; font-weight: 600; }
.pagination strong, .dt-pagination strong { background: var(--green-800); color: #fff; border-color: var(--green-800); }

/* ---------- Legacy markup restyling (inner pages) ---------- */
.dt-content table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 18px; font-size: 15px; }
.dt-content td, .dt-content th { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.dt-content th { background: var(--green-50); font-weight: 600; }
.dt-content tr:last-child td { border-bottom: 0; }
.dt-content .table-scroll { overflow-x: auto; }

#user_head { display: none; }
#user_show { display: grid; grid-template-columns: 88px minmax(0,1fr) minmax(0,1fr); gap: 16px; align-items: start; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; float: none !important; width: auto !important; }
#user_show img { border-radius: 10px; object-fit: cover; }
#user_show .information_2 a:first-child { font: 700 1.05rem/1.3 var(--display); color: var(--ink); text-decoration: none; }
#user_show .information_2, #user_show .user_details { font-size: 14.5px; color: var(--ink-2); float: none !important; width: auto !important; }
#user_show .picture_2 { float: none !important; width: auto !important; }
@media (max-width: 600px) { #user_show { grid-template-columns: 64px minmax(0,1fr); } #user_show .user_details { grid-column: 1 / -1; } #user_show img { width: 64px; height: 64px; } }

.tutor_ad { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
#long_text { color: var(--ink-2); }
.dt-content [style*="float"] { max-width: 100%; }
.dt-content [style*="width: 95%"], .dt-content [style*="width:95%"], .dt-content [style*="width: 92%"], .dt-content [style*="width:90%"] { width: 100% !important; float: none !important; }
.dt-content [style*="background:#eee"], .dt-content [style*="background: aqua"] { background: var(--green-50) !important; color: var(--ink-2) !important; border-radius: var(--radius); padding: 16px !important; height: auto !important; }
.clock:empty, .adbox:empty { display: none; }

/* ---------- Ads ---------- */
.dt-adslot { margin-block: 0 22px; min-height: 0; }

/* ---------- Footer ---------- */
.dt-footer { background: var(--green-900); color: #B9D3C5; padding-block: 44px 24px; margin-top: 20px; font-size: 15px; }
.dt-footer a { color: #E6F1EB; text-decoration: none; }
.dt-footer a:hover { color: var(--marigold); }
.dt-footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 28px; }
@media (max-width: 860px) { .dt-footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .dt-footer-grid { grid-template-columns: 1fr; } }
.dt-footer h4 { color: #fff; font-size: .95rem; margin-bottom: 12px; font-family: var(--body); font-weight: 600; letter-spacing: .02em; }
.dt-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.dt-footer .dt-logo { color: #fff; margin-bottom: 12px; }
.dt-footer form { display: flex; gap: 8px; margin-top: 12px; }
.dt-footer form select { min-height: 40px; padding: .4em .6em; background: #0E4A39; color: #fff; border-color: #1C6A53; }
.dt-footer form input[type=submit] { min-height: 40px; padding: .4em .9em; background: var(--marigold); color: var(--ink); }
.dt-footer-bottom { border-top: 1px solid #1C5A47; margin-top: 32px; padding-top: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; font-size: 13.5px; }
.dt-social { display: flex; gap: 10px; }
.dt-social a { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; border: 1px solid #1C6A53; font-weight: 700; font-size: 13px; }

/* ---------- Floating call / WhatsApp ---------- */
.dt-grid.home { grid-template-columns: minmax(0, 1fr); }
.dt-fab { position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); display: flex; gap: 8px; z-index: 60; }
.dt-fab a { display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border-radius: 99px; font-weight: 600; font-size: 15px; text-decoration: none; box-shadow: 0 6px 18px rgba(0,0,0,.18); }
.dt-fab .wa { background: var(--green-800); color: #fff; }
.dt-fab .call { background: var(--marigold); color: var(--ink); display: none; }
@media (max-width: 920px) {
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px)); }
  .dt-fab { left: 0; right: 0; bottom: 0; gap: 0; padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px)); background: var(--card); border-top: 1px solid var(--line); }
  .dt-fab a { flex: 1; box-shadow: none; border-radius: var(--radius-sm); min-height: 46px; }
  .dt-fab .call { display: inline-flex; margin-left: 8px; }
}

/* ==========================================================================
   Forms (guardian post, tutor sign-up, logins, contact, ads) — 2026
   ========================================================================== */
.dt-formpage { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.dt-formhead h1 { margin-bottom: 6px; }
.dt-formhead p { color: var(--muted); margin: 0; max-width: 60ch; }
.dt-formhead .bn { display: block; font-size: 15px; color: var(--green-700); margin-top: 4px; }
.dt-trust { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 12px; font-size: 14px; color: var(--ink-2); }
.dt-trust span::before { content: "✓"; color: var(--green-700); font-weight: 700; margin-right: 6px; }

.dt-form { display: flex; flex-direction: column; gap: 18px; }
.dt-fset { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin: 0; min-width: 0; }
.dt-fset legend { float: left; width: 100%; padding: 0; margin-bottom: 14px; display: flex; align-items: center; gap: 12px; }
.dt-fset legend + * { clear: both; }
.dt-fset .step { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--green-800); color: #fff; font: 700 14px/1 var(--mono); flex: none; }
.dt-fset .ttl { font: 700 1.1rem/1.2 var(--display); color: var(--ink); }
.dt-fset .ttl small { display: block; font: 400 13px/1.3 var(--body); color: var(--muted); margin-top: 2px; }

.dt-grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 16px; }
.dt-grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px 16px; }
@media (max-width: 640px) { .dt-grid2, .dt-grid3 { grid-template-columns: minmax(0, 1fr); } }
.dt-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.dt-field.full { grid-column: 1 / -1; }
.dt-field > label, .dt-label { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.dt-field > label .req { color: var(--danger); margin-left: 2px; }
.dt-field .hint { font-size: 13px; color: var(--muted); }
.dt-field input[placeholder]:invalid:not(:placeholder-shown):not(:focus) { border-color: #E8A39C; }
.dt-inputgroup { position: relative; display: flex; }
.dt-inputgroup .prefix { display: inline-flex; align-items: center; padding: 0 12px; border: 1px solid var(--line); border-right: 0; border-radius: var(--radius-sm) 0 0 var(--radius-sm); background: var(--green-50); color: var(--green-800); font: 600 15px/1 var(--mono); }
.dt-inputgroup .prefix + input { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.dt-pw { position: relative; }
.dt-pw input { padding-right: 70px; }
.dt-pw button { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); background: none; border: 0; color: var(--green-700); font: 600 13px/1 var(--body); padding: 8px; min-height: 0; cursor: pointer; }

/* Chip checkboxes (subjects, classes) */
.dt-chips { display: flex; flex-wrap: wrap; gap: 8px; border: 0; padding: 0; margin: 0; }
.dt-chip { position: relative; }
.dt-chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.dt-chip span { display: inline-flex; align-items: center; gap: 6px; padding: 8px 13px; min-height: 38px; border: 1px solid var(--line); border-radius: 99px; background: var(--card); font-size: 14px; color: var(--ink-2); cursor: pointer; user-select: none; transition: background .12s, border-color .12s; }
.dt-chip span:hover { border-color: var(--green-700); }
.dt-chip input:checked + span { background: var(--green-800); border-color: var(--green-800); color: #fff; }
.dt-chip input:checked + span::before { content: "✓"; font-weight: 700; }
.dt-chip input:focus-visible + span { outline: 3px solid var(--marigold); outline-offset: 2px; }
.dt-chip input:disabled + span { opacity: .45; cursor: not-allowed; }
.dt-chipsgroup-title { font-size: 12px; font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 12px 0 8px; width: 100%; }
.dt-counter { font: 600 13px/1 var(--mono); color: var(--green-700); background: var(--green-50); border: 1px solid var(--green-100); padding: 5px 9px; border-radius: 99px; margin-left: auto; white-space: nowrap; }
.dt-counter.full { color: #7A4A00; background: var(--marigold-100); border-color: #F6DDB0; }

/* Segmented radio (gender, days) */
.dt-seg { display: flex; flex-wrap: wrap; gap: 6px; border: 0; padding: 0; margin: 0; }
.dt-seg label { position: relative; }
.dt-seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.dt-seg span { display: inline-grid; place-items: center; min-width: 44px; min-height: 42px; padding: 0 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card); font-size: 14px; font-weight: 500; cursor: pointer; }
.dt-seg input:checked + span { background: var(--green-50); border-color: var(--green-700); color: var(--green-900); box-shadow: inset 0 0 0 1px var(--green-700); }
.dt-seg input:focus-visible + span { outline: 3px solid var(--marigold); outline-offset: 2px; }

.dt-submitbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; }
.dt-submitbar p { margin: 0; font-size: 14px; color: var(--muted); max-width: 46ch; }
.dt-submitbar .btn, .dt-submitbar input[type=submit] { min-width: 200px; font-size: 16px; }
@media (max-width: 640px) { .dt-submitbar .btn, .dt-submitbar input[type=submit] { width: 100%; } }
.dt-formerr { display: none; background: #FDECEA; border: 1px solid #F5C2BD; color: #7A1F16; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; }
.dt-formerr.show { display: block; }

/* Auth cards (logins, forgot password) */
.dt-auth { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; max-width: 860px; }
@media (max-width: 760px) { .dt-auth { grid-template-columns: minmax(0, 1fr); } .dt-auth-side { display: none; } }
.dt-auth-main { padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.dt-auth-main h1 { font-size: 1.6rem; margin: 0; }
.dt-auth-main .sub { color: var(--muted); margin: -8px 0 0; font-size: 15px; }
.dt-auth-main form { display: flex; flex-direction: column; gap: 14px; }
.dt-auth-main input[type=submit] { width: 100%; }
.dt-auth-links { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-size: 14px; }
.dt-auth-side { background: var(--green-800); color: #D6E8DE; padding: 28px; display: flex; flex-direction: column; justify-content: center; gap: 12px; position: relative; overflow: hidden; }
.dt-auth-side::before { content: ""; position: absolute; inset: 0; opacity: .08; background-image: linear-gradient(#fff 1px, transparent 1px), linear-gradient(90deg, #fff 1px, transparent 1px); background-size: 24px 24px; }
.dt-auth-side > * { position: relative; }
.dt-auth-side h2 { color: #fff; font-size: 1.3rem; margin: 0; }
.dt-auth-side ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; font-size: 15px; }
.dt-auth-side .btn { align-self: flex-start; }
.dt-switch { display: flex; gap: 4px; background: var(--green-50); border: 1px solid var(--green-100); padding: 4px; border-radius: 10px; }
.dt-switch a { flex: 1; text-align: center; padding: 8px 10px; border-radius: 7px; text-decoration: none; font-weight: 600; font-size: 14px; color: var(--ink-2); }
.dt-switch a[aria-current=page] { background: var(--card); color: var(--green-900); box-shadow: 0 1px 2px rgba(0,0,0,.08); }

/* Contact cards */
.dt-contact { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 18px; align-items: start; }
@media (max-width: 860px) { .dt-contact { grid-template-columns: minmax(0, 1fr); } }
.dt-contact-card { background: var(--green-800); color: #D6E8DE; border-radius: 12px; padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.dt-contact-card h2 { color: #fff; font-size: 1.2rem; margin: 0; }
.dt-contact-card a { color: #fff; font-weight: 600; }
.dt-contact-card .bn { font-size: 15px; }
.dt-charcount { font: 500 12px/1 var(--mono); color: var(--muted); align-self: flex-end; }
.dt-charcount.ok { color: var(--green-700); }