/* ===== RESET Y BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #0a0a0a;
  color: #ffffff;
}

/* ===== HEADER ===== */
header {
  background-color: #0a0a0a;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px 30px;
  border-bottom: 3px solid #cc0000;
  position: relative;
}

header img.logo {
  width: 280px;
  max-width: 90%;
  margin-bottom: 16px;
}

header .tagline {
  font-size: 1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #aaaaaa;
}

/* ===== SECCIÓN DOCUMENTOS ===== */
#documentos {
  padding: 60px 20px;
  max-width: 1100px;
  margin: 0 auto;
}

#documentos h2 {
  text-align: center;
  font-size: 2rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 8px;
  color: #ffffff;
}

#documentos h2 span {
  color: #cc0000;
}

.separador {
  width: 60px;
  height: 3px;
  background: #cc0000;
  margin: 0 auto 48px;
  transform: skewX(-20deg);
}

/* ===== TARJETAS ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}

.card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: #cc0000;
}

.card .icono {
  font-size: 2rem;
}

.card h3 {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card p {
  font-size: 0.85rem;
  color: #888;
  flex-grow: 1;
}

.card .btn-ver {
  display: inline-block;
  margin-top: 8px;
  padding: 10px 20px;
  background: #cc0000;
  color: #fff;
  border: none;
  font-size: 0.85rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}

.card .btn-ver:hover {
  background: #ff1a1a;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 24px;
  border-top: 1px solid #1f1f1f;
  color: #444;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

/* ===== LOGIN PAGE ===== */
body.login-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: center;
  align-items: center;
}

.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.login-container .logo {
  width: 220px;
}

.login-container .tagline {
  font-size: 0.85rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #aaaaaa;
  text-align: center;
}

.login-box {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 36px 32px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-box h2 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
  color: #ffffff;
}

.login-box input {
  background: #0a0a0a;
  border: 1px solid #333;
  border-radius: 4px;
  padding: 12px 16px;
  color: #ffffff;
  font-size: 1.2rem;
  letter-spacing: 4px;
  text-align: center;
  outline: none;
  transition: border-color 0.2s;
}

.login-box input:focus {
  border-color: #cc0000;
}

.login-box button {
  background: #cc0000;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 12px;
  font-size: 0.9rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: background 0.2s;
}

.login-box button:hover {
  background: #ff1a1a;
}

.login-box button:disabled {
  background: #444;
  cursor: not-allowed;
}

#error-msg {
  color: #cc0000;
  font-size: 0.85rem;
  text-align: center;
  min-height: 20px;
}

/* ===== HEADER BOTÓN SALIR ===== */
#btnSalir,
#btnAdminSalir {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 1px solid #cc0000;
  color: #cc0000;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.2s;
}

#btnSalir:hover,
#btnAdminSalir:hover {
  background: #cc0000;
  color: #ffffff;
}

/* ===== VISOR DE PDF ===== */
#visor-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.92);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

#visor-overlay.oculto {
  display: none;
}

.visor-container {
  background: #1a1a1a;
  border: 1px solid #cc0000;
  border-radius: 8px;
  width: 100%;
  max-width: 900px;
  height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.visor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid #2a2a2a;
}

.visor-header h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #ffffff;
}

#btnCerrarVisor {
  background: transparent;
  border: 1px solid #444;
  color: #aaa;
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
}

#btnCerrarVisor:hover {
  border-color: #cc0000;
  color: #cc0000;
}

#visor-iframe {
  flex: 1;
  border: none;
  width: 100%;
}

/* ===== ADMIN PANEL ===== */
#admin-panel.oculto,
#admin-login.oculto {
  display: none;
}

.admin-form {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 28px;
  margin-bottom: 40px;
}

.admin-form h3,
.admin-tabla h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #cc0000;
  margin-bottom: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.form-grid input {
  background: #0a0a0a;
  border: 1px solid #333;
  border-radius: 4px;
  padding: 10px 14px;
  color: #ffffff;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-grid input:focus {
  border-color: #cc0000;
}

.form-grid button {
  background: #cc0000;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 10px;
  font-size: 0.85rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background 0.2s;
}

.form-grid button:hover {
  background: #ff1a1a;
}

#form-msg {
  margin-top: 12px;
  font-size: 0.85rem;
  color: #cc0000;
}

/* ===== TABLA ===== */
.admin-tabla {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 28px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

thead tr {
  border-bottom: 2px solid #cc0000;
}

th {
  text-align: left;
  padding: 10px 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #aaaaaa;
  font-size: 0.78rem;
}

td {
  padding: 12px 14px;
  border-bottom: 1px solid #2a2a2a;
  color: #ffffff;
}

tr:last-child td {
  border-bottom: none;
}

.badge-activo {
  background: #1a4a1a;
  color: #4caf50;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: bold;
}

.badge-inactivo {
  background: #4a1a1a;
  color: #cc0000;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: bold;
}

.btn-toggle {
  background: transparent;
  border: 1px solid #444;
  color: #aaa;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.78rem;
  margin-right: 6px;
  transition: all 0.2s;
}

.btn-toggle:hover {
  border-color: #cc0000;
  color: #cc0000;
}

.btn-eliminar {
  background: transparent;
  border: 1px solid #cc0000;
  color: #cc0000;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.78rem;
  transition: all 0.2s;
}

.btn-eliminar:hover {
  background: #cc0000;
  color: #ffffff;
}

/* ===== TABS ===== */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
}

.tab {
  background: transparent;
  border: 1px solid #333;
  color: #aaa;
  padding: 10px 24px;
  border-radius: 4px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.2s;
}

.tab:hover {
  border-color: #cc0000;
  color: #ffffff;
}

.tab.active {
  background: #cc0000;
  border-color: #cc0000;
  color: #ffffff;
}

#contenido-usuarios.oculto,
#contenido-historial.oculto {
  display: none;
}

#admin-login.login-page {
  min-height: 100vh;
  width: 100%;
}