/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f1117;
  --bg2:       #1a1d27;
  --bg3:       #222536;
  --border:    #2e3248;
  --accent:    #4f8ef7;
  --accent2:   #6c63ff;
  --success:   #2ecc71;
  --danger:    #e74c3c;
  --warning:   #f39c12;
  --text:      #e2e8f0;
  --text2:     #8892a4;
  --shadow:    0 4px 24px rgba(0,0,0,.4);
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 15px;
}

/* ===== NAVBAR ===== */
.navbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.3);
}
.navbar .brand {
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: .5px;
}
.navbar .brand:hover { color: #fff; }
.nav-links { display: flex; gap: 1.2rem; align-items: center; }
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: .9rem;
  padding: .3rem .6rem;
  border-radius: 6px;
  transition: all .2s;
}
.nav-links a:hover { color: var(--text); background: var(--bg3); }
.nav-links .usuario { color: var(--accent); font-size: .85rem; }
.btn-logout {
  background: rgba(231,76,60,.15) !important;
  color: #e74c3c !important;
  border: 1px solid rgba(231,76,60,.3) !important;
}
.btn-logout:hover { background: rgba(231,76,60,.3) !important; }

/* ===== CONTENIDO ===== */
.contenido {
  max-width: 980px;
  margin: 2.5rem auto;
  padding: 0 1.5rem;
}

/* ===== CARDS ===== */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.card h2 {
  font-size: 1.3rem;
  color: var(--text);
  margin-bottom: 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ===== FORMULARIOS ===== */
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: .4rem;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .65rem 1rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: .95rem;
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,142,247,.15);
}
.form-group input::placeholder { color: var(--text2); }
.form-group select option { background: var(--bg3); }
.form-group input[type="checkbox"] {
  width: auto;
  margin-right: .5rem;
  accent-color: var(--accent);
}
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 160px; }

/* ===== BOTONES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.3rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all .2s;
  letter-spacing: .3px;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.3); }
.btn:active { transform: translateY(0); }
.btn-primary   { background: var(--accent);  color: #fff; }
.btn-success   { background: var(--success); color: #fff; }
.btn-danger    { background: var(--danger);  color: #fff; }
.btn-secondary { background: var(--bg3);     color: var(--text); border: 1px solid var(--border); }
.btn-info      { background: #0e7490;        color: #fff; }
.btn-sm        { padding: .3rem .8rem; font-size: .82rem; border-radius: 6px; }

/* ===== TABLAS ===== */
.table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
thead tr { background: var(--bg3); }
th {
  padding: .75rem 1rem;
  text-align: left;
  font-size: .78rem;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .6px;
  border-bottom: 1px solid var(--border);
}
td {
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg3); }

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .25rem .7rem;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .3px;
}
.badge-ok   { background: rgba(46,204,113,.15); color: #2ecc71; border: 1px solid rgba(46,204,113,.3); }
.badge-warn { background: rgba(243,156,18,.15);  color: #f39c12; border: 1px solid rgba(243,156,18,.3); }
.badge-info { background: rgba(79,142,247,.15);  color: var(--accent); border: 1px solid rgba(79,142,247,.3); }

/* ===== ALERTAS ===== */
.alert {
  padding: .85rem 1.1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: .9rem;
  display: flex;
  align-items: flex-start;
  gap: .5rem;
}
.alert-error   { background: rgba(231,76,60,.12);  color: #fc8181; border: 1px solid rgba(231,76,60,.3); }
.alert-success { background: rgba(46,204,113,.12); color: #68d391; border: 1px solid rgba(46,204,113,.3); }
.alert-info    { background: rgba(79,142,247,.12); color: #90cdf4; border: 1px solid rgba(79,142,247,.3); }

/* ===== BUSCADOR BARCOS ===== */
.busqueda-wrapper { position: relative; }
#resultados-busqueda {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--bg3);
  border: 1px solid var(--accent);
  border-top: none;
  border-radius: 0 0 8px 8px;
  max-height: 220px;
  overflow-y: auto;
  z-index: 200;
  display: none;
  box-shadow: var(--shadow);
}
#resultados-busqueda div {
  padding: .6rem 1rem;
  cursor: pointer;
  font-size: .88rem;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
#resultados-busqueda div:last-child { border-bottom: none; }
#resultados-busqueda div:hover { background: var(--bg2); color: var(--accent); }

/* ===== LOGIN ===== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: radial-gradient(ellipse at 60% 40%, #1a2040 0%, var(--bg) 70%);
}
.login-box {
  width: 100%;
  max-width: 440px;
}
.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}
.login-logo h1 {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: .25rem;
}
.login-logo p { color: var(--text2); font-size: .9rem; }

/* ===== STATS CARDS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.stat-card .stat-val {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-card .stat-label {
  font-size: .8rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--text2);
  font-size: .8rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

/* ===== IMPRESIÓN ===== */
@media print {
  body { background: #fff; color: #000; }
  .navbar, .no-print, footer { display: none !important; }
  .card { border: 1px solid #ccc; box-shadow: none; background: #fff; }
  th { background: #333 !important; color: #fff !important; -webkit-print-color-adjust: exact; }
  td { color: #000; border-color: #ddd; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .navbar { padding: 0 1rem; }
  .nav-links a span { display: none; }
  .contenido { padding: 0 .75rem; }
  .card { padding: 1.25rem; }
  .form-row { flex-direction: column; }
}