@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;500;600;700&family=Noto+Sans+Devanagari:wght@400;500;600;700&family=Noto+Serif:wght@600;700&family=Noto+Serif+Devanagari:wght@600;700&display=swap');

:root {
  --ink: #142120;
  --ink-2: #3a4a48;
  --ink-3: #66756f;
  --paper: #f6f4ee;
  --surface: #ffffff;
  --surface-2: #f0eee7;
  --line: #e1ddd2;
  --line-2: #cfcabd;
  --brand: #0d4f4c;
  --brand-2: #0a3b39;
  --brand-tint: #e3efec;
  --accent: #c7791a;
  --accent-tint: #fbf0df;
  --ok: #1f7a4d; --ok-tint: #e2f2e8;
  --warn: #9a5800; --warn-tint: #fdf0d8;
  --bad: #b42318; --bad-tint: #fbe5e2;
  --info: #2f5f8a; --info-tint: #e4edf6;
  --muted-tint: #ecebe6;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(20, 33, 32, .06), 0 4px 16px rgba(20, 33, 32, .05);
  --font: 'Noto Sans', 'Noto Sans Devanagari', system-ui, sans-serif;
  --serif: 'Noto Serif', 'Noto Serif Devanagari', Georgia, serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e8eeec; --ink-2: #c2ccca; --ink-3: #8d9a97;
    --paper: #101716; --surface: #172120; --surface-2: #1d2928; --line: #2a3735; --line-2: #3a4a48;
    --brand: #4fb3a9; --brand-2: #7fd0c6; --brand-tint: #16302d;
    --accent: #e3a04a; --accent-tint: #33270f;
    --ok: #5cc28d; --ok-tint: #14301f; --warn: #e6a948; --warn-tint: #33260d; --bad: #f07a6e; --bad-tint: #3a1714;
    --info: #7fb0dd; --info-tint: #16273a; --muted-tint: #222d2c;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.55 var(--font); }
a { color: var(--brand); }
a:hover { color: var(--brand-2); }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; }
button, input, select, textarea { font: inherit; color: inherit; }
img { max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--brand); color: #fff; padding: 8px 12px; border-radius: 6px; z-index: 50; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent); outline-offset: 2px; border-radius: 4px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 8px; padding: 10px 16px; font-weight: 600; font-size: 14px; cursor: pointer; text-decoration: none; transition: background .15s, border-color .15s, transform .05s; white-space: nowrap; min-height: 42px; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--brand); color: #fff; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn-primary { color: #06201e; } }
.btn-primary:hover { background: var(--brand-2); color: #fff; }
.btn-secondary { background: var(--surface); border-color: var(--line-2); color: var(--ink); }
.btn-secondary:hover { background: var(--surface-2); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: var(--surface-2); color: var(--ink); }
.btn-danger { background: var(--bad); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-sm { padding: 6px 11px; min-height: 34px; font-size: 13px; }
.btn-lg { padding: 14px 22px; font-size: 16px; min-height: 52px; border-radius: 10px; }
.btn-block { width: 100%; }

/* Forms */
.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field > label, .label { font-weight: 600; font-size: 14px; color: var(--ink); }
.field .hint { font-size: 13px; color: var(--ink-3); }
.req::after { content: ' *'; color: var(--bad); }
.input, select.input, textarea.input { width: 100%; border: 1px solid var(--line-2); background: var(--surface); border-radius: 8px; padding: 10px 12px; min-height: 44px; transition: border-color .15s, box-shadow .15s; }
textarea.input { min-height: 120px; resize: vertical; }
.input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent); }
.input[aria-invalid="true"] { border-color: var(--bad); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--brand); flex: none; }

/* Surfaces */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.card-pad { padding: 24px; }
@media (max-width: 640px) { .card-pad { padding: 18px; } }
.muted { color: var(--ink-3); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace; letter-spacing: .01em; }

/* Status pills & SLA chips */
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; white-space: nowrap; background: var(--muted-tint); color: var(--ink-2); }
.pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; opacity: .85; }
.pill.s-new { background: var(--info-tint); color: var(--info); }
.pill.s-assigned { background: var(--info-tint); color: var(--info); }
.pill.s-in_progress { background: var(--brand-tint); color: var(--brand); }
.pill.s-awaiting_info { background: var(--accent-tint); color: var(--accent); }
.pill.s-resolved { background: var(--ok-tint); color: var(--ok); }
.pill.s-closed { background: var(--muted-tint); color: var(--ink-3); }
.sla { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 6px; font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.sla.ok { background: var(--ok-tint); color: var(--ok); }
.sla.warn { background: var(--warn-tint); color: var(--warn); }
.sla.breached { background: var(--bad-tint); color: var(--bad); }
.sla.paused { background: var(--accent-tint); color: var(--accent); }
.sla.done { background: var(--muted-tint); color: var(--ink-3); }

/* Alerts & toast */
.alert { padding: 12px 14px; border-radius: 8px; font-size: 14px; border: 1px solid transparent; }
.alert-error { background: var(--bad-tint); color: var(--bad); border-color: color-mix(in srgb, var(--bad) 25%, transparent); }
.alert-info { background: var(--info-tint); color: var(--info); }
.alert-warn { background: var(--warn-tint); color: var(--warn); }
.alert-ok { background: var(--ok-tint); color: var(--ok); }
#toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); opacity: 0; background: var(--ink); color: var(--paper); padding: 11px 18px; border-radius: 8px; font-size: 14px; transition: all .2s; z-index: 100; pointer-events: none; max-width: calc(100% - 32px); }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { content: ''; position: absolute; left: 11px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.timeline li { position: relative; padding: 0 0 20px 38px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline .dot { position: absolute; left: 4px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--surface); border: 3px solid var(--brand); }
.timeline .dot.citizen { border-color: var(--accent); }
.timeline .dot.system { border-color: var(--line-2); }
.timeline .dot.internal { border-color: var(--ink-3); border-style: dashed; }
.timeline .dot.escalation { border-color: var(--bad); }
.timeline .meta { font-size: 12.5px; color: var(--ink-3); }
.timeline .title { font-weight: 600; font-size: 14px; }
.timeline .msg { margin-top: 6px; background: var(--surface-2); border-radius: 8px; padding: 10px 12px; white-space: pre-wrap; font-size: 14px; color: var(--ink-2); overflow-wrap: anywhere; }
.timeline .msg.internal { background: repeating-linear-gradient(-45deg, var(--surface-2), var(--surface-2) 8px, var(--muted-tint) 8px, var(--muted-tint) 16px); }
.files { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.file-chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line-2); border-radius: 6px; padding: 4px 9px; font-size: 13px; text-decoration: none; color: var(--ink-2); background: var(--surface); max-width: 100%; }
.file-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.spinner { width: 18px; height: 18px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
.empty { text-align: center; padding: 40px 16px; color: var(--ink-3); }