:root {
  --bg: #f4f2ee;
  --surface: #ffffff;
  --surface-2: #faf9f6;
  --ink: #1c2230;
  --ink-2: #4a5263;
  --ink-3: #7b8394;
  --line: #e3e0d9;
  --line-2: #d4d0c6;
  --accent: #34339a;
  --accent-ink: #ffffff;
  --accent-soft: #e7e7f6;
  --focus: #4b4ad1;
  --danger: #b42318;
  --ok: #18794e;
  --ok-soft: #e3f4ea;
  --u1: #64748b; --u1-soft: #eef1f5;
  --u2: #2f6fb0; --u2-soft: #e6f0fa;
  --u3: #a86a00; --u3-soft: #fbf1dc;
  --u4: #c4500e; --u4-soft: #fde9dc;
  --u5: #c0201b; --u5-soft: #fde4e2;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(28,34,48,.06), 0 4px 16px rgba(28,34,48,.06);
  --font: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d;
    --surface: #1c2028;
    --surface-2: #20252e;
    --ink: #e9ebef;
    --ink-2: #b4bac6;
    --ink-3: #8a91a0;
    --line: #2c323d;
    --line-2: #3a414e;
    --accent: #9d9cf2;
    --accent-ink: #12122e;
    --accent-soft: #24244a;
    --focus: #b3b2ff;
    --danger: #f2877d;
    --ok: #5cc98f;
    --ok-soft: #173326;
    --u1: #94a3b8; --u1-soft: #252b35;
    --u2: #73a9e3; --u2-soft: #1b2a3b;
    --u3: #e2a63b; --u3-soft: #33290f;
    --u4: #f08a4b; --u4-soft: #3a2314;
    --u5: #ff6b62; --u5-soft: #401b19;
    --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(--bg); color: var(--ink);
  font: 16px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.2; margin: 0; letter-spacing: -0.01em; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }

/* ---------- form controls ---------- */
.field { display: grid; gap: 6px; margin-bottom: 20px; }
.field > label, .field > .label { font-weight: 600; font-size: 15px; }
.hint { color: var(--ink-3); font-size: 14px; font-weight: 400; }
.input, select.input, textarea.input {
  width: 100%; min-height: 48px; padding: 10px 14px;
  background: var(--surface); border: 1.5px solid var(--line-2); border-radius: 10px;
  transition: border-color .15s;
}
textarea.input { min-height: 120px; resize: vertical; line-height: 1.45; }
.input:hover { border-color: var(--ink-3); }
.input:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent); }
.field.invalid .input, .field.invalid .urgency { border-color: var(--danger); }
.field .err { color: var(--danger); font-size: 14px; display: none; }
.field.invalid .err { display: block; }
select.input {
  appearance: none; -webkit-appearance: none; padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%237b8394' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 18px; border-radius: 10px; border: 1.5px solid transparent;
  font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap;
  background: var(--accent); color: var(--accent-ink);
  transition: filter .15s, background .15s;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .55; cursor: default; filter: none; }
.btn.secondary { background: var(--surface); color: var(--ink); border-color: var(--line-2); }
.btn.secondary:hover { background: var(--surface-2); filter: none; }
.btn.ghost { background: transparent; color: var(--ink-2); border-color: transparent; }
.btn.ghost:hover { background: var(--surface-2); filter: none; }
.btn.danger { background: transparent; color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn.small { min-height: 34px; padding: 6px 12px; font-size: 14px; border-radius: 8px; }
.btn.block { width: 100%; min-height: 54px; font-size: 17px; }

/* ---------- urgency picker ---------- */
.urgency { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; border-radius: 12px; border: 1.5px solid transparent; }
.urgency input { position: absolute; opacity: 0; pointer-events: none; }
.urgency label {
  display: grid; justify-items: center; gap: 2px; padding: 12px 4px 10px; cursor: pointer;
  background: var(--surface); border: 1.5px solid var(--line-2); border-radius: 10px; text-align: center;
  transition: border-color .12s, background .12s, transform .12s;
}
.urgency label:hover { border-color: var(--ink-3); }
.urgency .num { font-size: 24px; font-weight: 750; line-height: 1; }
.urgency .lbl { font-size: 12px; font-weight: 600; color: var(--ink-2); line-height: 1.2; }
.urgency input:focus-visible + label { outline: 2px solid var(--focus); outline-offset: 2px; }
.urgency input:checked + label { background: var(--uc-soft); border-color: var(--uc); color: var(--uc); }
.urgency input:checked + label .lbl { color: var(--uc); }
.urgency [data-u="1"] { --uc: var(--u1); --uc-soft: var(--u1-soft); }
.urgency [data-u="2"] { --uc: var(--u2); --uc-soft: var(--u2-soft); }
.urgency [data-u="3"] { --uc: var(--u3); --uc-soft: var(--u3-soft); }
.urgency [data-u="4"] { --uc: var(--u4); --uc-soft: var(--u4-soft); }
.urgency [data-u="5"] { --uc: var(--u5); --uc-soft: var(--u5-soft); }
.urgency-help { min-height: 21px; font-size: 14px; color: var(--ink-2); }

/* ---------- category chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips label {
  padding: 9px 14px; border-radius: 999px; cursor: pointer; font-size: 15px; font-weight: 500;
  background: var(--surface); border: 1.5px solid var(--line-2);
}
.chips label:hover { border-color: var(--ink-3); }
.chips input:checked + label { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.chips input:focus-visible + label { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ---------- badges ---------- */
.ubadge {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px 3px 7px; border-radius: 999px;
  font-size: 13px; font-weight: 650; background: var(--uc-soft); color: var(--uc); white-space: nowrap;
}
.ubadge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--uc); }
.u1 { --uc: var(--u1); --uc-soft: var(--u1-soft); }
.u2 { --uc: var(--u2); --uc-soft: var(--u2-soft); }
.u3 { --uc: var(--u3); --uc-soft: var(--u3-soft); }
.u4 { --uc: var(--u4); --uc-soft: var(--u4-soft); }
.u5 { --uc: var(--u5); --uc-soft: var(--u5-soft); }
.sbadge {
  display: inline-block; padding: 3px 10px; border-radius: 6px; font-size: 13px; font-weight: 600;
  background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line); white-space: nowrap;
}
.sbadge.new { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.sbadge.in_progress { background: var(--u3-soft); color: var(--u3); border-color: transparent; }
.sbadge.waiting { background: var(--u2-soft); color: var(--u2); border-color: transparent; }
.sbadge.resolved { background: var(--ok-soft); color: var(--ok); border-color: transparent; }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--bg); padding: 12px 18px; border-radius: 10px; font-weight: 500;
  box-shadow: var(--shadow); opacity: 0; transition: opacity .2s, transform .2s; z-index: 100; max-width: calc(100% - 32px);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--danger); color: #fff; }