:root {
  --fg-green: #5fa829;
  --fg-green-dark: #4c8720;
  --fg-green-light: #eaf5df;
  --fg-black: #14170f;
  --fg-charcoal: #20241a;
  --fg-border: #e1e5db;
  --fg-bg: #f5f7f2;
  --fg-text: #1c1f17;
  --fg-text-muted: #626b57;
  --fg-white: #ffffff;
  --fg-danger: #c73e3e;
  --fg-warning: #d98a1f;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 23, 15, 0.06), 0 1px 8px rgba(20, 23, 15, 0.05);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--fg-bg);
  color: var(--fg-text);
}

a { color: var(--fg-green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Auth pages ---------- */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--fg-black);
  padding: 24px;
}

.auth-card {
  background: var(--fg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--fg-black);
  margin-bottom: 4px;
}

.wordmark .dot { color: var(--fg-green); }

.wordmark-logo {
  display: block;
  max-width: 220px;
  width: 100%;
  height: auto;
  margin: 0 auto 28px;
}

.auth-card p.subtitle {
  color: var(--fg-text-muted);
  margin-top: 0;
  margin-bottom: 28px;
  font-size: 14px;
}

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--fg-text);
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--fg-border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: var(--fg-white);
  color: var(--fg-text);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--fg-green);
  box-shadow: 0 0 0 3px var(--fg-green-light);
}
.field textarea { resize: vertical; min-height: 70px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--fg-green); color: var(--fg-white); }
.btn-primary:hover { background: var(--fg-green-dark); }
.btn-block { width: 100%; }
.btn-secondary { background: var(--fg-white); color: var(--fg-text); border-color: var(--fg-border); }
.btn-secondary:hover { background: var(--fg-bg); }
.btn-danger { background: var(--fg-white); color: var(--fg-danger); border-color: var(--fg-danger); }
.btn-danger:hover { background: #fbeaea; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.form-error {
  background: #fbeaea;
  color: var(--fg-danger);
  border: 1px solid #f2c6c6;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.form-error.visible { display: block; }

.form-success {
  background: var(--fg-green-light);
  color: var(--fg-green-dark);
  border: 1px solid #cfe8b8;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.form-success.visible { display: block; }

.auth-footer { margin-top: 20px; font-size: 13px; color: var(--fg-text-muted); text-align: center; }

/* ---------- App shell ---------- */
.app-shell { display: flex; min-height: 100vh; align-items: stretch; }

.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: var(--fg-black);
  color: var(--fg-white);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
}

.sidebar .wordmark { color: var(--fg-white); padding: 0 10px; margin-bottom: 28px; }

.nav-list { list-style: none; margin: 0; padding: 0; flex: 1; }
.nav-list li { margin-bottom: 2px; }
.nav-list a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: #cfd6c4;
  font-size: 14px;
  font-weight: 500;
}
.nav-list a:hover { background: var(--fg-charcoal); text-decoration: none; color: var(--fg-white); }
.nav-list a.active { background: var(--fg-green); color: var(--fg-white); }

.sidebar-user {
  border-top: 1px solid #2a2e22;
  padding-top: 14px;
  margin-top: 14px;
}
.sidebar-user .name { font-size: 13px; font-weight: 600; color: var(--fg-white); }
.sidebar-user .role-badge { margin-top: 4px; }
.sidebar-user button {
  margin-top: 12px;
  width: 100%;
  background: transparent;
  border: 1px solid #363b2c;
  color: #cfd6c4;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}
.sidebar-user button:hover { background: var(--fg-charcoal); color: var(--fg-white); }

.main {
  flex: 1;
  padding: 28px 36px;
  max-width: 1200px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h1 { font-size: 22px; margin: 0; letter-spacing: -0.01em; }
.page-header p { color: var(--fg-text-muted); margin: 4px 0 0; font-size: 14px; }

/* ---------- Cards / stats ---------- */
.card {
  background: var(--fg-white);
  border: 1px solid var(--fg-border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 26px;
}
.stat-card {
  background: var(--fg-white);
  border: 1px solid var(--fg-border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat-card .label { font-size: 12px; color: var(--fg-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.stat-card .value { font-size: 30px; font-weight: 700; margin-top: 6px; color: var(--fg-black); }
.stat-card.accent .value { color: var(--fg-green-dark); }
.stat-card.warn .value { color: var(--fg-warning); }
.stat-card.danger .value { color: var(--fg-danger); }

.two-col { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--fg-border); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--fg-text-muted); font-weight: 600; }
tbody tr:hover { background: var(--fg-bg); cursor: pointer; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-open { background: #e7edfb; color: #2b4fa0; }
.badge-in_progress { background: #fdf1da; color: #9a6a10; }
.badge-done { background: var(--fg-green-light); color: var(--fg-green-dark); }
.badge-operational { background: var(--fg-green-light); color: var(--fg-green-dark); }
.badge-maintenance { background: #fdf1da; color: #9a6a10; }
.badge-down { background: #fbeaea; color: var(--fg-danger); }
.badge-low { background: #eef0ec; color: #626b57; }
.badge-medium { background: #e7edfb; color: #2b4fa0; }
.badge-high { background: #fdf1da; color: #9a6a10; }
.badge-urgent { background: #fbeaea; color: var(--fg-danger); }
.badge-admin { background: var(--fg-black); color: var(--fg-white); }
.badge-supervisor { background: #e7edfb; color: #2b4fa0; }
.badge-technician { background: var(--fg-green-light); color: var(--fg-green-dark); }
.badge-read_only { background: #eef0ec; color: #626b57; }
.badge-overdue { background: #fbeaea; color: var(--fg-danger); }
.badge-due_soon { background: #fdf1da; color: #9a6a10; }
.badge-scheduled { background: #eef0ec; color: #626b57; }

/* ---------- Toolbar / filters ---------- */
.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
}
.toolbar select, .toolbar input {
  padding: 8px 10px;
  border: 1px solid var(--fg-border);
  border-radius: 8px;
  font-size: 13px;
  font-family: inherit;
  background: var(--fg-white);
}
.toolbar .spacer { flex: 1; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 23, 15, 0.5);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  z-index: 50;
}
.modal-backdrop.visible { display: flex; }
.modal {
  background: var(--fg-white);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow);
}
.modal h2 { margin-top: 0; font-size: 18px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--fg-text-muted);
  font-size: 14px;
}

.section-title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 12px;
}

.activity-item { padding: 10px 0; border-bottom: 1px solid var(--fg-border); font-size: 13px; }
.activity-item:last-child { border-bottom: none; }
.activity-item .meta { color: var(--fg-text-muted); font-size: 12px; margin-top: 2px; }

.comment { padding: 12px 0; border-bottom: 1px solid var(--fg-border); }
.comment:last-child { border-bottom: none; }
.comment .meta { font-size: 12px; color: var(--fg-text-muted); margin-bottom: 4px; }
.comment .meta strong { color: var(--fg-text); }

.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin: 18px 0; }
.detail-grid .item .label { font-size: 12px; color: var(--fg-text-muted); text-transform: uppercase; letter-spacing: 0.03em; font-weight: 600; }
.detail-grid .item .value { margin-top: 4px; font-size: 14px; }

.back-link { display: inline-block; margin-bottom: 14px; font-size: 13px; color: var(--fg-text-muted); }

.helper-text { font-size: 12px; color: var(--fg-text-muted); margin-top: 4px; }

@media (max-width: 720px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; overflow-x: auto; }
  .sidebar-user { display: none; }
  .nav-list { display: flex; flex: none; }
  .main { padding: 20px; }
}