/* Variables de color y tipografía */
:root {
  --bg: #0f1010;
  --fg: #e7e1d5;
  --card-bg: rgba(231, 225, 213, 0.1);
  --card-blur: 20px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
}

#app {
  width: 100%;
  max-width: 420px;
  padding: env(safe-area-inset, 1rem);
  display: grid;
  place-items: center;
}

.page {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--card-bg);
  backdrop-filter: blur(var(--card-blur));
  border-radius: 2rem;
  padding: 2rem 1rem;
  width: 100%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s ease-out;
}

.page.active {
  display: flex;
}

h1, h2 {
  margin-bottom: 1.5rem;
  font-weight: 600;
}

button {
  background: rgba(231, 225, 213, 0.8);
  color: var(--bg);
  border: none;
  padding: 0.75rem 2rem;
  margin-top: 1rem;
  border-radius: 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease;
}

button:hover {
  background: rgba(231, 225, 213, 1);
}

select {
  width: 100%;
  padding: 0.75rem;
  font-size: 1.1rem;
  border: 2px solid rgba(231, 225, 213, 0.8);
  border-radius: 1rem;
  background: var(--bg);
  color: var(--fg);
  transition: border-color 0.2s ease;
}

img {
  max-width: 100%;
  height: auto;
  margin-bottom: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease;
}

img:hover {
  transform: scale(1.02);
}

.input-wrapper {
  display: flex;
  gap: 0.5rem;
}

input[type="number"] {
  width: 5rem;
  padding: 0.75rem;
  font-size: 1.1rem;
  text-align: center;
  border: 2px solid rgba(231, 225, 213, 0.8);
  border-radius: 1rem;
  background: var(--bg);
  color: var(--fg);
  transition: border-color 0.2s ease;
}

input[type="number"]:focus {
  outline: none;
  border-color: rgba(231, 225, 213, 1);
}

#feedback {
  margin-top: 0.75rem;
  min-height: 1.25rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

#feedback.visible {
  opacity: 1;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Añadir a styles.css */
#feedback.success {
  color: #8aff8a;
  animation: correctFlash 0.4s ease;
}
#feedback.error {
  color: #ff8a8a;
  animation: shake 0.3s ease;
}

@keyframes correctFlash {
  0% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); }
}

@keyframes shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  50% { transform: translateX(6px); }
  75% { transform: translateX(-4px); }
  100% { transform: translateX(0); }
}
/* Modal de imagen */
.modal {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 15, 15, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.modal.hidden {
  display: none;
}

.modal img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 1rem;
}

#close-modal {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 2rem;
  color: white;
  cursor: pointer;
}
/* Mini-menú */
#mini-menu {
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(231,225,213,0.2);
  backdrop-filter: blur(15px);
  border-radius: 1.5rem;
  padding: 0.5rem 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  z-index: 100;
}
#mini-menu.hidden { display: none; }
#mini-menu button {
  background: none;
  color: var(--fg);
  border: none;
  font-size: 1rem;
  padding: 0.25rem;
}
#mini-menu span {
  font-size: 0.9rem;
  font-weight: 500;
}

.menu-toggle {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  background: rgba(255,255,255,0.2);
  border: none;
  color: white;
  font-size: 1.2rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  z-index: 999;
}

#mini-menu.select {
  background: rgba(255,255,255,0.2);
  border: none;
  border-radius: 1rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.9rem;
  color: var(--fg);
}