@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@500;700&family=Outfit:wght@300;400;600;800&family=Quicksand:wght@400;500;700&display=swap');

:root {
  --color-green-light: #E8F5E9;
  --color-green-pastel: #A8E6CF;
  --color-green-dark: #2E7D32;
  --color-blue-light: #E3F2FD;
  --color-blue-pastel: #A8DADC;
  --color-blue-dark: #1D3557;
  --color-accent-pink: #FFD3B6;
  --color-accent-rose: #FFAAA6;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px 0 rgba(168, 222, 220, 0.15);
  
  --font-main: 'Quicksand', sans-serif;
  --font-title: 'Outfit', sans-serif;
  --font-letter: 'Caveat', cursive;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-main);
  background: linear-gradient(135deg, #E3F2FD, #E8F5E9, #E0F2F1, #E3F2FD);
  background-size: 400% 400%;
  animation: gradientBG 20s ease infinite;
  color: #333333;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  padding-bottom: 90px;
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Scrollbar estilizado */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
}
::-webkit-scrollbar-thumb {
  background: var(--color-blue-pastel);
  border-radius: 10px;
}

/* Estilos de Autenticación / PIN */
.auth-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(168, 230, 207, 0.9), rgba(168, 218, 220, 0.9));
  backdrop-filter: blur(15px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.auth-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 28px;
  padding: 40px 30px;
  width: 100%;
  max-width: 420px;
  text-align: center;
  backdrop-filter: blur(12px);
  transform: translateY(0);
  animation: floatCard 4s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.auth-logo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 4px solid white;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  background-color: white;
}

.auth-card h2 {
  font-family: var(--font-title);
  color: var(--color-blue-dark);
  font-size: 26px;
  margin-bottom: 10px;
  font-weight: 800;
}

.auth-card p {
  color: #666;
  font-size: 14px;
  margin-bottom: 25px;
}

.pin-inputs {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 25px;
}

.pin-input {
  width: 50px;
  height: 60px;
  border-radius: 16px;
  border: 2px solid #E0E0E0;
  background: white;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-blue-dark);
  outline: none;
  transition: all 0.3s;
  box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}

.pin-input:focus {
  border-color: var(--color-blue-pastel);
  box-shadow: 0 0 10px rgba(168, 218, 220, 0.4);
  transform: scale(1.05);
}

.form-group {
  text-align: left;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-blue-dark);
  margin-bottom: 6px;
  display: block;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #E0E0E0;
  border-radius: 14px;
  outline: none;
  font-family: var(--font-main);
  transition: all 0.3s;
}

.form-control:focus {
  border-color: var(--color-blue-pastel);
}

.btn-primary {
  width: 100%;
  padding: 14px;
  border-radius: 16px;
  border: none;
  background: linear-gradient(135deg, #A8E6CF, #A8DADC);
  color: var(--color-blue-dark);
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(168, 218, 220, 0.4);
  transition: all 0.3s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(168, 218, 220, 0.6);
}

.btn-primary:active {
  transform: translateY(1px);
}

/* Header de la App */
header {
  width: 100%;
  max-width: 600px;
  padding: 25px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  background-color: white;
}

.header-title h1 {
  font-family: var(--font-title);
  font-size: 20px;
  color: var(--color-blue-dark);
  font-weight: 800;
  line-height: 1;
}

.header-title span {
  font-size: 12px;
  color: #666;
  font-weight: 500;
}

/* Tocadiscos / Reproductor Flotante */
.music-widget {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 16px;
  padding: 8px 16px 8px 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all 0.3s;
}

.music-widget:hover {
  transform: scale(1.03);
}

.vinyl-container {
  position: relative;
  width: 40px;
  height: 40px;
}

.vinyl {
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, #333 30%, #111 60%, #000 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 8px rgba(0,0,0,0.2);
}

.vinyl::after {
  content: '';
  width: 12px;
  height: 12px;
  background: var(--color-green-pastel);
  border-radius: 50%;
  border: 2px solid #000;
}

.vinyl.playing {
  animation: spin 3s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

.music-info {
  display: flex;
  flex-direction: column;
}

.music-info .song-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-blue-dark);
  max-width: 90px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-info .song-artist {
  font-size: 10px;
  color: #777;
}

/* Contador de Tiempo principal */
.counter-section {
  width: 92%;
  max-width: 500px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 28px;
  padding: 22px;
  text-align: center;
  margin-bottom: 25px;
  backdrop-filter: blur(12px);
}

.counter-section h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-blue-dark);
  margin-bottom: 12px;
  font-weight: 800;
}

.counter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.counter-box {
  background: rgba(255, 255, 255, 0.5);
  border-radius: 16px;
  padding: 12px 6px;
  border: 1px solid rgba(255,255,255,0.6);
  transition: all 0.3s;
}

.counter-box:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.8);
}

.counter-num {
  font-family: var(--font-title);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-blue-dark);
  line-height: 1;
}

.counter-label {
  font-size: 11px;
  color: #666;
  margin-top: 4px;
  font-weight: 600;
}

.counter-sub {
  margin-top: 12px;
  font-size: 12px;
  font-weight: 500;
  color: #555;
  background: linear-gradient(135deg, rgba(168,230,207,0.3), rgba(168,218,220,0.3));
  padding: 6px 12px;
  border-radius: 12px;
  display: inline-block;
}

/* Contenedores de Pestañas / Paneles */
.tab-content {
  width: 92%;
  max-width: 500px;
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Polaroid Carta Sorpresa del Día */
.surprise-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.polaroid-card {
  background: white;
  padding: 18px 18px 35px 18px;
  border-radius: 4px;
  box-shadow: 0 12px 35px rgba(0,0,0,0.07);
  width: 100%;
  max-width: 390px;
  transform: rotate(-1deg);
  transition: transform 0.5s ease;
  cursor: pointer;
  position: relative;
  /* Fondo estilo hoja de cuaderno de amor */
  background-image: linear-gradient(rgba(168, 218, 220, 0.1) 1px, transparent 1px);
  background-size: 100% 28px;
}

.polaroid-card:hover {
  transform: rotate(0.5deg) scale(1.02);
  box-shadow: 0 18px 45px rgba(0,0,0,0.12);
}

.polaroid-photo-frame {
  width: 100%;
  aspect-ratio: 1.05;
  background: #fdfdfd;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.02);
}

.polaroid-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.polaroid-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 15px;
  color: var(--color-blue-pastel);
  padding: 30px;
  text-align: center;
}

.polaroid-placeholder i {
  font-size: 55px;
  animation: beat 1.5s infinite alternate;
  color: var(--color-accent-rose);
}

@keyframes beat {
  to { transform: scale(1.15); }
}

.polaroid-caption {
  margin-top: 25px;
  text-align: center;
  font-family: var(--font-letter);
  font-size: 26px;
  font-weight: 700;
  color: #2C3E50;
  line-height: 1.3;
  word-wrap: break-word;
  padding: 0 10px;
  letter-spacing: 0.5px;
}

.polaroid-pin {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  background: rgba(255, 107, 107, 0.9);
  border-radius: 50%;
  box-shadow: 0 3px 6px rgba(0,0,0,0.15);
  z-index: 5;
}

.polaroid-pin::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  width: 16px;
  height: 16px;
  background: rgba(255,255,255,0.4);
  border-radius: 50%;
}

.refresh-surprise-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  color: var(--color-blue-dark);
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.3s;
}

.refresh-surprise-btn:hover {
  transform: scale(1.05);
  background: white;
}

/* Muro de Notas (Amor) */
.wall-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.wall-header h2 {
  font-family: var(--font-title);
  color: var(--color-blue-dark);
  font-size: 20px;
}

.add-post-btn {
  background: linear-gradient(135deg, var(--color-green-pastel), var(--color-blue-pastel));
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue-dark);
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(168, 222, 220, 0.3);
  transition: all 0.3s;
}

.add-post-btn:hover {
  transform: rotate(90deg) scale(1.1);
}

.wall-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.sticky-note {
  border-radius: 12px;
  padding: 15px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.05);
  position: relative;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: rotate(calc(var(--rotation, 0) * 1deg));
  transition: all 0.3s;
}

.sticky-note:hover {
  transform: scale(1.04) rotate(0deg);
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
  z-index: 3;
}

.sticky-note-1 { background-color: #FFF3CD; }
.sticky-note-2 { background-color: #E2F0D9; }
.sticky-note-3 { background-color: #FCE4D6; }
.sticky-note-4 { background-color: #DDEBF7; }
.sticky-note-5 { background-color: #F8CBAD; }
.sticky-note-6 { background-color: #E8DAEF; }

.sticky-content {
  font-size: 13px;
  color: #444;
  line-height: 1.4;
  font-weight: 500;
  word-wrap: break-word;
  white-space: pre-line;
}

.sticky-image {
  width: 100%;
  height: 90px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 8px;
  cursor: pointer;
}

.sticky-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  font-size: 10px;
  color: #777;
  font-weight: 600;
}

.sticky-author {
  color: var(--color-blue-dark);
}

.delete-post-btn {
  background: transparent;
  border: none;
  color: #999;
  cursor: pointer;
  padding: 2px;
  font-size: 12px;
  transition: color 0.2s;
}

.delete-post-btn:hover {
  color: #FF5C5C;
}

/* Calendario de Metas */
.goals-progress {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 16px;
  margin-bottom: 20px;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-blue-dark);
  margin-bottom: 8px;
}

.progress-bar-container {
  height: 10px;
  background: rgba(0,0,0,0.05);
  border-radius: 10px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-green-pastel), var(--color-blue-pastel));
  width: 0%;
  border-radius: 10px;
  transition: width 0.5s ease-out;
}

.goal-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 15px;
  backdrop-filter: blur(8px);
  transition: all 0.3s;
}

.goal-card.completed {
  background: rgba(232, 245, 233, 0.6);
  border-color: rgba(168, 230, 207, 0.4);
}

.goal-checkbox {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--color-blue-pastel);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  background: white;
}

.goal-checkbox.checked {
  background: var(--color-green-pastel);
  border-color: var(--color-green-pastel);
  animation: popCheckbox 0.3s ease;
}

@keyframes popCheckbox {
  50% { transform: scale(1.2); }
}

.goal-checkbox i {
  color: var(--color-blue-dark);
  font-size: 12px;
  display: none;
}

.goal-checkbox.checked i {
  display: block;
}

.goal-info {
  flex-grow: 1;
}

.goal-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-blue-dark);
  transition: all 0.3s;
}

.goal-card.completed .goal-title {
  text-decoration: line-through;
  color: #888;
}

.goal-desc {
  font-size: 11px;
  color: #666;
  margin-top: 3px;
}

.goal-date {
  font-size: 10px;
  background: rgba(0,0,0,0.03);
  padding: 3px 8px;
  border-radius: 6px;
  color: #777;
  display: inline-block;
  margin-top: 4px;
  font-weight: 500;
}

/* Modales Compartidos */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(5px);
  z-index: 100;
  display: none;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.modal-content {
  background: white;
  border-radius: 24px;
  width: 100%;
  max-width: 440px;
  padding: 25px;
  position: relative;
  animation: popUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes popUp {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(0,0,0,0.05);
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #666;
}

.modal-title {
  font-family: var(--font-title);
  color: var(--color-blue-dark);
  font-size: 18px;
  margin-bottom: 20px;
  font-weight: 700;
}

/* Sección de Ajustes (Configuraciones) */
.settings-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 24px;
  padding: 20px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.settings-section h3 {
  font-family: var(--font-title);
  font-size: 15px;
  color: var(--color-blue-dark);
  margin-bottom: 15px;
  font-weight: 700;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  padding-bottom: 6px;
}

/* Listas de Gestión en Ajustes */
.setting-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  background: rgba(255,255,255,0.4);
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: 12px;
}

.setting-list-item img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 6px;
}

/* Barra de Navegación Inferior Móvil */
.bottom-nav {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 92%;
  max-width: 460px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 10px 30px rgba(168, 222, 220, 0.25);
  border-radius: 24px;
  display: flex;
  justify-content: space-around;
  padding: 10px 5px;
  z-index: 90;
  backdrop-filter: blur(20px);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: #888888;
  text-decoration: none;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  padding: 6px 12px;
  border-radius: 16px;
}

.nav-item i {
  font-size: 18px;
  transition: transform 0.3s;
}

.nav-item.active {
  color: var(--color-blue-dark);
  background: linear-gradient(135deg, rgba(168,230,207,0.4), rgba(168,218,220,0.4));
}

.nav-item.active i {
  transform: translateY(-2px) scale(1.1);
}

/* Reproductor Detallado / Modal */
.player-modal {
  text-align: center;
}

.player-vinyl {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, #333 30%, #111 60%, #000 100%);
  border-radius: 50%;
  margin: 0 auto 20px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
  position: relative;
}

.player-vinyl::after {
  content: '';
  width: 45px;
  height: 45px;
  background: var(--color-green-pastel);
  border-radius: 50%;
  border: 4px solid #000;
}

.player-vinyl.playing {
  animation: spin 5s linear infinite;
}

.player-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 25px;
  margin-top: 20px;
}

.player-btn {
  background: var(--color-blue-light);
  border: none;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue-dark);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.player-btn.play-pause-big {
  width: 60px;
  height: 60px;
  font-size: 24px;
  background: linear-gradient(135deg, var(--color-green-pastel), var(--color-blue-pastel));
  box-shadow: 0 4px 15px rgba(168, 218, 220, 0.4);
}

.player-btn:hover {
  transform: scale(1.08);
}

/* Animaciones flotantes de corazones */
.floating-heart {
  position: fixed;
  color: var(--color-accent-rose);
  pointer-events: none;
  font-size: 20px;
  z-index: 200;
  animation: floatUp 1.2s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

@keyframes floatUp {
  0% { transform: translateY(0) scale(1) rotate(0deg); opacity: 1; }
  100% { transform: translateY(-100px) scale(0.6) rotate(45deg); opacity: 0; }
}

/* Toast Notificaciones */
.toast-msg {
  position: fixed;
  top: 25px;
  left: 50%;
  transform: translateX(-50%) translateY(-50px);
  background: var(--color-blue-dark);
  color: white;
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  z-index: 1000;
  box-shadow: 0 5px 15px rgba(0,0,0,0.15);
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast-msg.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}