:root {
  --dark: #1B3A2B;
  --green: #2F6B3C;
  --light: #7BB661;
  --sand: #C9A876;
  --bark: #5C4433;
  --gray: #33383B;
  --bg: #F7F8F6;
  --border: #E3DED3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--gray);
}

a { color: inherit; }

.hidden { display: none !important; }

/* ---------- Login ---------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark);
  padding: 16px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  text-align: center;
}
.login-card img { width: 72px; height: 72px; border-radius: 50%; margin-bottom: 12px; }
.login-card h1 { color: var(--dark); margin: 0 0 4px; font-size: 22px; }
.login-card p.sub { color: #6b7280; font-size: 13px; margin: 0 0 20px; }

/* ---------- Forms ---------- */
.field { margin-bottom: 16px; text-align: left; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
input[type=text], input[type=password], input[type=number], input[type=date],
input[type=week], select, textarea {
  width: 100%;
  border: 1px solid #D1D5DB;
  border-radius: 10px;
  padding: 11px 13px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(47,107,60,.15);
}
textarea { resize: vertical; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--dark); }
.btn-secondary { background: #fff; color: var(--dark); border: 1px solid var(--border); }
.btn-secondary:hover { background: #F3F1EB; }
.btn-danger { background: #DC2626; color: #fff; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.alert { border-radius: 10px; padding: 10px 14px; font-size: 14px; margin-bottom: 14px; }
.alert-error { background: #FEF2F2; color: #B91C1C; }
.alert-success { background: #F0FDF4; color: #15803D; }

/* ---------- Admin layout ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: var(--dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 20px; font-weight: 700; font-size: 17px; }
.sidebar .brand img { width: 34px; height: 34px; border-radius: 50%; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; padding: 0 12px; }
.sidebar nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 12px; border-radius: 8px;
  color: rgba(255,255,255,.8); text-decoration: none; font-size: 14px; font-weight: 500;
}
.sidebar nav a:hover, .sidebar nav a.active { background: rgba(255,255,255,.1); color: #fff; }
.main-area { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 14px 24px;
}
.topbar .who { font-size: 13px; color: #6b7280; }
.content { padding: 24px; flex: 1; }

@media (max-width: 860px) {
  .sidebar { display: none; }
  .content { padding: 16px; }
}

/* ---------- Mobile role header (chofer/mecanico/valicero) ---------- */
.mobile-shell { min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); }
.mobile-header {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--dark); color: #fff; padding: 14px 16px;
}
.mobile-header .brand { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.mobile-header .brand img { width: 30px; height: 30px; border-radius: 50%; }
.mobile-header .who { font-size: 13px; color: rgba(255,255,255,.8); }
.mobile-content { padding: 16px; flex: 1; }

/* ---------- Cards / tables ---------- */
.card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 20px; margin-bottom: 16px; }
.card h2 { margin: 0 0 12px; font-size: 16px; color: var(--dark); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr)); gap: 14px; margin-bottom: 20px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.stat-card .label { font-size: 12px; color: #8b8378; }
.stat-card .value { font-size: 24px; font-weight: 700; color: var(--dark); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: #8b8378; padding: 10px 12px; border-bottom: 1px solid var(--border); background: #FAFAF8; }
td { padding: 12px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-pendiente { background: #F3F4F6; color: #4B5563; }
.badge-proceso { background: #DBEAFE; color: #1E40AF; }
.badge-finalizado { background: #DCFCE7; color: #166534; }

.page-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.page-header h1 { margin: 0; color: var(--dark); font-size: 22px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }

.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px,1fr)); gap: 10px; }
.photo-grid img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); }

.signature-preview { max-width: 260px; border: 1px solid var(--border); border-radius: 10px; background: #fff; }

.status-buttons { display: flex; gap: 8px; }
.status-buttons button {
  flex: 1; padding: 10px; border-radius: 10px; border: 1px solid #D1D5DB;
  background: #fff; color: var(--gray); font-weight: 600; font-size: 13px; cursor: pointer;
}
.status-buttons button.active-si { background: var(--green); border-color: var(--green); color: #fff; }
.status-buttons button.active-no { background: #DC2626; border-color: #DC2626; color: #fff; }
.status-buttons button.active-neutral { background: var(--bark); border-color: var(--bark); color: #fff; }

canvas.sig-pad { width: 100%; touch-action: none; border: 1px solid #D1D5DB; border-radius: 10px; background: #fff; }

.empty-state { color: #9CA3AF; padding: 20px; text-align: center; }

.coming-soon { text-align: center; padding: 60px 20px; }
.coming-soon .icon { font-size: 40px; margin-bottom: 10px; }