/* LuviaFit - Custom Styles */
:root {
  --primary: #C79FFF;
  --accent: #19C6B8;
  --white: #FFFFFF;
  --bg-gray: #F6F7FB;
  --text-dark: #1e293b;
  --text-muted: #64748b;
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-gray);
  color: var(--text-dark);
  line-height: 1.6;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Logo */
.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: var(--primary);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: white;
  font-size: 18px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
}

.logo-fit {
  color: var(--accent);
}

/* Cards */
.card {
  background: white;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: #b17fff;
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--accent);
  color: white;
}

.btn-accent:hover {
  background: #15b0a3;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

/* Forms */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(199, 159, 255, 0.1);
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
  transition: width 0.3s ease;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-warning {
  background: #fed7aa;
  color: #92400e;
}

.badge-info {
  background: #dbeafe;
  color: #1e40af;
}

/* Streaks & Stats */
.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Chat messages */
.chat-message {
  padding: 1rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  max-width: 80%;
}

.chat-message.user {
  background: var(--primary);
  color: white;
  margin-left: auto;
}

.chat-message.assistant {
  background: white;
  border: 1px solid #e2e8f0;
}

/* Loading spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid #f3f4f6;
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Animations */
.fade-in {
  animation: fadeIn 0.3s ease-in;
}

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

/* Responsive utilities */
@media (max-width: 768px) {
  .card {
    padding: 1rem;
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
  }
  
  .stat-number {
    font-size: 2rem;
  }
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-gray);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #b17fff;
}

/* Toast notifications - PEQUENA */
.toast {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: white;
  padding: 0.5rem 0.875rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 9999;
  animation: slideIn 0.3s ease-out;
  max-width: 280px;
  font-size: 0.875rem;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.success {
  border-left: 3px solid #10b981;
  background: #f0fdf4;
}

.toast.error {
  border-left: 3px solid #ef4444;
  background: #fef2f2;
}

.toast.info {
  border-left: 3px solid var(--accent);
  background: #f0fdfa;
}