:root {
  --primary: #003366; 
  --secondary: #eaf2ff;    
  --accent: #ffb347;       
  --danger: #ff4d4f;
  --radius: 1.1em;
  --shadow: 0 2px 16px rgba(0, 51, 102, 0.10);
  --font: "Segoe UI", Arial, sans-serif;
}

body {
  min-height: 100vh;
  background: linear-gradient(120deg, #eaf2ff 0%, #4f8cff 60%, #003366 100%);
  background-size: 200% 200%;
  animation: bgMove 12s ease-in-out infinite alternate;
  font-family: var(--font);
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
@keyframes bgMove {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

h1 {
  font-size: 2.3rem;
  margin-top: 2.2rem;
  margin-bottom: 1.2rem;
  color: var(--primary);
  font-weight: 900;
  text-align: center;
  letter-spacing: 1.5px;
  text-shadow: 0 2px 12px #4f8cff33, 0 0 2px #ffb34777;
  user-select: none;
  transition: text-shadow 0.3s;
  border-bottom: 3px solid var(--accent);
  padding-bottom: 0.3em;
  background: none;
}

#error, #message {
  text-align: center;
  margin-top: 0.5rem;
  font-weight: 500;
}

#error {
  color: var(--danger);
}

#message {
  color: var(--primary);
}

form, .card {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: #fff;
  padding: 2.2em 1.7em;
  margin: 1.5em 0;
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  gap: 1.3em;
  border: 2.5px solid var(--primary);
  animation: cardFadeIn 0.7s cubic-bezier(.68,-0.55,.27,1.55);
  transition: box-shadow 0.2s, transform 0.2s, border 0.2s;
}
.card:hover, form:hover {
  box-shadow: 0 12px 40px #00336633;
  border-color: var(--accent);
  transform: scale(1.01) translateY(-2px);
}

input, select {
  font-size: 1.1em;
  padding: 1em 1.1em;
  border-radius: 0.9em;
  border: 2px solid #dbeafe;
  background: #f8fbff;
  transition: border 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 12px #4f8cff11;
}

input:focus, select:focus {
  border-color: var(--primary);
  background: #eaf2ff;
  box-shadow: 0 2px 16px #4f8cff44;
}

input {
  font-size: 1rem;
  transition: border 0.2s;
}

button {
  padding: 1em;
  border-radius: 0.9em;
  border: none;
  background: linear-gradient(90deg, var(--primary) 60%, #4f8cff 100%);
  color: #fff;
  font-weight: bold;
  font-size: 1.15em;
  cursor: pointer;
  box-shadow: 0 2px 12px #4f8cff22;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  letter-spacing: 0.5px;
}
button:hover, button:focus {
  background: linear-gradient(90deg, #4f8cff 60%, var(--primary) 100%);
  transform: scale(1.04);
  box-shadow: 0 4px 18px #00336633;
}

/* Controles de filtros y orden */
#controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  margin-bottom: 1em;
  justify-content: center;
  align-items: center;
  background: #f8fbff;
  border-radius: 1em;
  box-shadow: 0 2px 12px #4f8cff11;
  padding: 1em 1.2em;
  max-width: 700px;
  width: 100%;
}

#controls label {
  font-weight: bold;
  color: var(--primary);
  margin-right: 0.5em;
}

#controls select,
#controls input[type="text"] {
  min-width: 120px;
  font-size: 1em;
  padding: 0.7em 1em;
  border-radius: 0.7em;
  border: 1.5px solid #dbeafe;
  background: #fff;
  transition: border 0.2s, box-shadow 0.2s;
  box-shadow: 0 1px 6px #4f8cff11;
}

#controls select:focus,
#controls input[type="text"]:focus {
  border-color: var(--primary);
  background: #eaf2ff;
  box-shadow: 0 2px 12px #4f8cff22;
}

ul#notes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 25pc;
}

ul#notes-list li {
  background: #f0f4ff;
  box-shadow: 0 .010416667in .1875pc rgba(79, 140, 255, .06);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem;
  margin-bottom: 0.7rem;
}

ul#notes-list li span {
  font-size: 0.95em;
  color: #888;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(30px) scale(0.97);}
  to { opacity: 1; transform: translateY(0) scale(1);}
}

.card {
  max-width: 700px;
  width: 100%;
  margin: 1.5em auto;
  padding: 2em 1.5em;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  animation: cardFadeIn 0.5s cubic-bezier(.68,-0.55,.27,1.55);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: 0 8px 32px #4f8cff33;
  transform: translateY(-2px) scale(1.01);
}

/* Delete button con animación */
.delete-btn {
  color: var(--danger);
  font-size: 1.2em;
  transition: color 0.2s, background 0.2s, transform 0.2s;
  border-radius: 50%;
  padding: 0.2em 0.4em;
}
.delete-btn:hover {
  color: #fff;
  background: var(--danger);
  transform: scale(1.18) rotate(8deg);
}

/* MODAL centrado y animado */
.modal {
  position: fixed;
  z-index: 9999;
  left: 0; top: 0; width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.35);
  display: flex; align-items: center; justify-content: center;
  animation: modalFadeIn 0.3s;
  transition: background 0.3s;
}
@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.modal-content {
  background: #fff;
  border-radius: 2em;
  box-shadow: 0 16px 48px rgba(0,0,0,0.18);
  padding: 2.5em 2.5em 2em 2.5em;
  min-width: 370px;
  max-width: 98vw;
  animation: modalPop 0.35s cubic-bezier(.68,-0.55,.27,1.55);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.2s, transform 0.2s;
}
@keyframes modalPop {
  from { transform: scale(0.8) translateY(60px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.close-btn {
  position: absolute;
  right: 1em; top: 1em;
  font-size: 1.7em;
  color: #888;
  cursor: pointer;
  transition: color 0.2s;
}
.close-btn:hover { color: var(--danger); }

/* MODAL de confirmación de borrado */
#delete-modal .modal-content {
  border: 2.5px solid var(--accent);
  background: #fff;
  border-radius: 1.5em;
  box-shadow: 0 12px 40px #00336633;
  padding: 2em 2em 1.5em 2em;
  min-width: 320px;
  max-width: 95vw;
  animation: modalPopDelete 0.5s cubic-bezier(.68,-0.55,.27,1.55);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.2s, transform 0.2s, border 0.2s;
}
@keyframes modalPopDelete {
  from { transform: scale(0.7) rotate(-8deg); opacity: 0; }
  to { transform: scale(1) rotate(0); opacity: 1; }
}
#delete-modal .modal-content .confirm {
  background: var(--danger);
  color: #fff;
}
#delete-modal .modal-content .confirm:hover {
  background: #b91c1c;
  transform: scale(1.04);
}
#delete-modal .modal-content .cancel {
  background: #eaf2ff;
  color: var(--primary);
}
#delete-modal .modal-content .cancel:hover {
  background: #dbeafe;
  transform: scale(1.04);
}

/* Enlaces */
a {
  color: #ffb347;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.08em;
  margin-top: 1.2em;
  transition: color 0.2s, text-shadow 0.2s;
  text-shadow: 0 1px 6px #4f8cff22;
  display: inline-block;
}
a:hover, a:focus {
  color: #003366;
  text-decoration: underline;
  text-shadow: 0 2px 12px #4f8cff33;
}

/* Responsive */
@media (max-width: 700px) {
  .card, form {
    max-width: 98vw;
    padding: 1.2em 0.5em;
  }
  h1 {
    font-size: 2rem;
    margin-top: 1.2rem;
  }
  .modal-content {
    min-width: 90vw;
    padding: 1.2em 0.5em;
  }
  #controls {
    flex-direction: column;
    align-items: stretch;
    gap: 0.7em;
    padding: 0.7em 0.3em;
    max-width: 98vw;
  }
  #controls label {
    margin-bottom: 0.2em;
    margin-right: 0;
  }
  #controls select,
  #controls input[type="text"] {
    width: 100%;
    min-width: 0;
    font-size: 1em;
  }
}