/* ==========================================================================
   Forest Alert System — Design System
   Palette: forest green + white + near-black ink. Typeface: Poppins.
   ========================================================================== */

:root {
  /* Greens */
  --green-50:  #EAF7EF;
  --green-100: #D2EEDD;
  --green-200: #A7DDBE;
  --green-500: #1E8A54;
  --green-600: #167A48;
  --green-700: #115F39;
  --green-900: #0B3E26;

  /* Neutrals */
  --white:   #FFFFFF;
  --surface: #F6F8F7;
  --border:  #E3E8E5;
  --ink:     #14181A;
  --muted:   #667069;

  /* Reserved for genuine alert states only (used sparingly) */
  --danger:     #C0392B;
  --danger-bg:  #FBEAE8;
  --danger-brd: #F1C6C0;

  --radius:    12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(11, 22, 17, 0.05);
  --shadow-md: 0 6px 20px rgba(11, 22, 17, 0.07);
  --font: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ---------- Reset / base ---------- */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background: var(--surface);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 0.6rem;
}
h1 { font-size: 1.65rem; font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 1.2rem; margin-top: 0; }
h3 { font-size: 1rem; color: var(--ink); }
h1 small, h2 small { font-size: 0.65em; font-weight: 500; color: var(--muted); }

p { margin: 0 0 0.85rem; color: var(--ink); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--green-700);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover { color: var(--green-900); text-decoration: underline; }

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
  font-size: 0.85em;
}

em { color: var(--muted); font-style: normal; }

ul, ol { padding-left: 1.25rem; margin: 0 0 0.85rem; }
li { margin-bottom: 0.3rem; }

/* ---------- Layout shell ---------- */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.7rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink) !important;
  text-decoration: none !important;
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.brand-mark svg { width: 18px; height: 18px; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex: 1;
}

.nav-link {
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted) !important;
  text-decoration: none !important;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.nav-link:hover { background: var(--green-50); color: var(--green-700) !important; }
.nav-link.active { background: var(--green-600); color: #fff !important; }

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.nav-toggle-input { display: none; }
.nav-toggle-btn {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink);
  font-size: 1.1rem;
}

@media (max-width: 860px) {
  .header-inner { flex-wrap: wrap; }
  .nav-toggle-btn { display: flex; margin-left: auto; }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    order: 3;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
  }
  .nav-toggle-input:checked ~ .main-nav { display: flex; }
  .nav-link { width: 100%; }
}

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  padding: 1.75rem 1.5rem 2.5rem;
}

/* ---------- Page header ---------- */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.page-header h1 { margin-bottom: 0.2rem; }
.page-header-text { max-width: 680px; }
.page-subtitle { color: var(--muted); margin: 0; font-size: 0.92rem; }
.page-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.breadcrumb { margin-bottom: 0.75rem; font-size: 0.88rem; }
.breadcrumb a { color: var(--muted); font-weight: 500; }
.breadcrumb a:hover { color: var(--green-700); }

/* ---------- Layout helpers ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
.stack { display: flex; flex-direction: column; gap: 1.5rem; }
.flex-row { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.muted { color: var(--muted); }
.text-sm { font-size: 0.85rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  transition: box-shadow 0.2s ease;
}
.card:last-child { margin-bottom: 0; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--border);
}
.card-header h2, .card-header h3 { margin: 0; }
.card-title-group p { margin: 0.15rem 0 0; }

.card-compact { padding: 1.1rem; }

.hero-card {
  background: linear-gradient(135deg, var(--green-700), var(--green-500));
  color: #fff;
  border: none;
}
.hero-card h1, .hero-card p { color: #fff; }
.hero-card a.btn-secondary { background: rgba(255,255,255,0.15); color: #fff; border-color: rgba(255,255,255,0.35); }
.hero-card a.btn-secondary:hover { background: rgba(255,255,255,0.25); }

/* Feature link cards (home page) */
.link-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  text-decoration: none !important;
  color: var(--ink) !important;
}
.link-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-200);
}
.link-card .icon-badge {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--green-50);
  color: var(--green-700);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 0.9rem;
}
.link-card .icon-badge svg { width: 22px; height: 22px; }
.link-card h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.link-card p { color: var(--muted); font-size: 0.87rem; margin: 0; }

/* ---------- Buttons (styled at element level so raw <button>/<input type=submit>
   tags across all pages get the design system for free) ---------- */
button,
input[type="submit"],
input[type="button"],
.btn {
  font-family: var(--font);
  font-weight: 500;
  font-size: 0.87rem;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--green-600);
  background: var(--green-600);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  line-height: 1.3;
}
button:hover, input[type="submit"]:hover, input[type="button"]:hover, .btn:hover {
  background: var(--green-700);
  border-color: var(--green-700);
}
button:active, input[type="submit"]:active, .btn:active { transform: translateY(1px); }
button:disabled, .btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary, button.btn-secondary {
  background: var(--white);
  color: var(--ink);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--green-500); color: var(--green-700); background: var(--green-50); }

.btn-outline, button.btn-outline {
  background: transparent;
  color: var(--green-700);
  border-color: var(--green-600);
}
.btn-outline:hover { background: var(--green-50); }

.btn-danger, button.btn-danger {
  background: var(--white);
  color: var(--danger);
  border-color: var(--danger-brd);
}
.btn-danger:hover { background: var(--danger-bg); border-color: var(--danger); }

.btn-sm, button.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.78rem; border-radius: 6px; }
.btn-block { width: 100%; justify-content: center; }

/* Radio/checkbox inline with a button shouldn't get button chrome */
input[type="radio"], input[type="checkbox"] {
  width: auto;
  accent-color: var(--green-600);
  margin-right: 0.35rem;
}

/* ---------- Forms ---------- */
form { margin: 0; }

.field { margin-bottom: 1.1rem; }
.field:last-child { margin-bottom: 0; }

label {
  display: block;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.35rem;
}
label input[type="checkbox"], label input[type="radio"] { margin-right: 0.4rem; }

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="color"],
input:not([type]),
select,
textarea {
  width: 100%;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
textarea { resize: vertical; min-height: 5rem; }
input[type="color"] { padding: 0.25rem; height: 2.5rem; cursor: pointer; }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px var(--green-100);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 1.25rem;
}
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.form-grid .field-wide { grid-column: 1 / -1; }

.form-actions { margin-top: 1.25rem; display: flex; gap: 0.6rem; }

span[asp-validation-for], .field-validation-error, .validation-summary-errors {
  color: var(--danger);
  font-size: 0.8rem;
  display: block;
  margin-top: 0.25rem;
}
.validation-summary-errors ul { padding-left: 1.1rem; margin: 0.3rem 0 0; }
div[asp-validation-summary] { color: var(--danger); font-size: 0.85rem; }
div[asp-validation-summary]:empty { display: none; }

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.87rem;
  background: var(--white);
}
thead th {
  text-align: left;
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: var(--surface);
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--ink);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--green-50); }
table form { display: inline; }

.empty-state {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.24rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  line-height: 1.5;
}
.badge-success { background: var(--green-600); color: #fff; }
.badge-outline { background: var(--green-50); color: var(--green-700); border: 1px solid var(--green-200); }
.badge-neutral { background: var(--surface); color: var(--muted); border: 1px solid var(--border); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-brd); }
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c, currentColor);
  display: inline-block;
  flex-shrink: 0;
}

/* ---------- Alerts / notices ---------- */
.alert {
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border);
}
.alert-info { background: var(--green-50); border-color: var(--green-200); color: var(--green-900); }
.alert-danger { background: var(--danger-bg); border-color: var(--danger-brd); color: var(--danger); }

/* JS injects this class directly (realtime-banner.js) */
.realtime-notice {
  background: var(--green-50);
  border: 1px solid var(--green-200);
  color: var(--green-900);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  margin: 0 0 1.25rem;
  font-size: 0.87rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.realtime-notice a { font-weight: 600; }

/* ---------- Auth pages ---------- */
.auth-shell {
  min-height: calc(100vh - 61px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 2.25rem 2rem;
}
.auth-card .brand-mark { margin: 0 auto 1rem; }
.auth-card h1 { text-align: center; font-size: 1.3rem; margin-bottom: 0.3rem; }
.auth-subtitle { text-align: center; color: var(--muted); font-size: 0.87rem; margin-bottom: 1.75rem; }
.auth-center { display: flex; flex-direction: column; align-items: center; }

/* ---------- User menu (login partial) ---------- */
.user-chip { display: flex; align-items: center; gap: 0.6rem; }
.user-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.user-name { font-size: 0.85rem; font-weight: 500; color: var(--ink); }
.user-chip form button {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.user-chip form button:hover { color: var(--danger); border-color: var(--danger-brd); background: var(--danger-bg); }

/* ---------- Center message pages (error / access denied) ---------- */
.message-shell {
  max-width: 480px;
  margin: 3.5rem auto;
  text-align: center;
}
.message-shell .icon-badge {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}