/* SaaS Servicios Técnicos - Mobile-first */
:root {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #7dd3fc;
  --success: #22c55e;
  --warning: #eab308;
  --danger: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Login */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-card {
  background: var(--card);
  border-radius: 12px;
  padding: 2rem;
  max-width: 400px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,.5);
}

.login-card h1 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.login-card .sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.5rem; }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.35rem; font-size: 0.9rem; }
.form-group input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #334155;
  border-radius: 8px;
  background: #0f172a;
  color: var(--text);
  font-size: 1rem;
}
.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: var(--accent);
  color: #0f172a;
  width: 100%;
  padding: 0.875rem;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.alert {
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.alert-error { background: rgba(239,68,68,.2); color: #fca5a5; }
.alert-success { background: rgba(34,197,94,.2); color: #86efac; }

/* Layout dashboard */
.dashboard {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.dashboard-header {
  background: var(--card);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.dashboard-header { flex-wrap: wrap; }
.dashboard-header h1 { font-size: 1.25rem; }
.dashboard-header .user { color: var(--muted); font-size: 0.9rem; }
.dashboard-nav { display: flex; gap: 1rem; }
.dashboard-nav .nav-link { color: var(--muted); text-decoration: none; }
.dashboard-nav .nav-link:hover, .dashboard-nav .nav-link.active { color: var(--accent); }
.section-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 1rem; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
.muted { color: var(--muted); }
.form-row { display: flex; gap: 1rem; }
.form-row .form-group { flex: 1; }
.form-group select, .form-group textarea { width: 100%; padding: 0.6rem; border: 1px solid #334155; border-radius: 8px; background: #0f172a; color: var(--text); font-size: 1rem; }
.modal-select { width: 100%; padding: 0.5rem; border-radius: 6px; background: #0f172a; border: 1px solid #334155; color: #fff; }
.btn-whatsapp { background: #25D366 !important; color: #fff !important; }
.search-bar { margin-bottom: 1rem; }
.search-input { width: 100%; max-width: 300px; padding: 0.6rem; border: 1px solid #334155; border-radius: 8px; background: #0f172a; color: var(--text); }
.client-list { display: flex; flex-direction: column; gap: 0.75rem; }
.client-card { background: var(--card); border-radius: 10px; padding: 1rem 1.25rem; cursor: pointer; transition: opacity 0.2s; }
.client-card:hover { opacity: 0.95; }
.client-card .client-name { font-weight: 600; color: var(--accent); }
.client-card .client-meta { font-size: 0.9rem; color: var(--muted); margin-top: 0.25rem; }
@media (max-width: 500px) { .form-row { flex-direction: column; } }

.dashboard-main {
  flex: 1;
  padding: 1.5rem;
}

/* Métricas */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.metric-card {
  background: var(--card);
  border-radius: 10px;
  padding: 1.25rem;
  text-align: center;
}

.metric-card .value { font-size: 2rem; font-weight: 700; }
.metric-card .label { font-size: 0.85rem; color: var(--muted); margin-top: 0.25rem; }
.metric-card.nuevo .value { color: var(--accent); }
.metric-card.en_proceso .value { color: var(--warning); }
.metric-card.finalizado .value { color: var(--success); }

/* Lista servicios */
.section-title { font-size: 1.1rem; margin-bottom: 1rem; }

.filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.filters .btn {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  background: transparent;
  color: var(--muted);
  border: 1px solid #334155;
}
.filters .btn:hover, .filters .btn.active {
  background: var(--accent);
  color: #0f172a;
  border-color: var(--accent);
}

.service-list { display: flex; flex-direction: column; gap: 0.75rem; }

.service-card {
  background: var(--card);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

.service-card:hover { opacity: 0.95; }

.service-card .num { font-weight: 600; color: var(--accent); }
.service-card .client { color: var(--muted); font-size: 0.9rem; margin-top: 0.25rem; }
.service-card .meta { display: flex; gap: 1rem; margin-top: 0.5rem; font-size: 0.8rem; color: var(--muted); }

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
}
.badge-nuevo { background: rgba(56,189,248,.2); color: var(--accent); }
.badge-en_proceso { background: rgba(234,179,8,.2); color: var(--warning); }
.badge-finalizado { background: rgba(34,197,94,.2); color: var(--success); }

/* Modal detalle */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
}

.modal {
  background: var(--card);
  border-radius: 12px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: 1.25rem;
  border-bottom: 1px solid #334155;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 { font-size: 1.1rem; }
.modal-close {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}
.modal-close:hover { color: var(--text); }

.modal-body { padding: 1.25rem; }

.modal-body .field { margin-bottom: 1rem; }
.modal-body .field-label { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.25rem; }

.modal-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.hidden { display: none !important; }

/* Responsive */
@media (min-width: 640px) {
  .dashboard-header h1 { font-size: 1.5rem; }
}