/* /public/styles.css - Modern Design */
:root{
  /* Background Colors */
  --bg: #0a0a0f;
  --bg-secondary: #12121a;
  --card: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --card-hover: linear-gradient(135deg, #1e1e33 0%, #1a2540 100%);
  
  /* Text Colors */
  --text: #f0f0f3;
  --text-secondary: #b4b4c8;
  --muted: #8b8b9e;
  
  /* Primary Colors - Modern Purple/Blue Gradient */
  --primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --primary-hover: linear-gradient(135deg, #7b8ff5 0%, #8b5cb8 100%);
  --primary-solid: #667eea;
  --primary-light: #8b9dff;
  
  /* Accent Colors */
  --accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-solid: #f093fb;
  
  /* Success/Warning/Danger */
  --success: #00f5a0;
  --success-bg: rgba(0, 245, 160, 0.1);
  --warning: #ffd93d;
  --warning-bg: rgba(255, 217, 61, 0.1);
  --danger: #ff6b9d;
  --danger-bg: rgba(255, 107, 157, 0.1);
  
  /* Effects */
  --glow: 0 0 20px rgba(102, 126, 234, 0.3);
  --glow-hover: 0 0 30px rgba(102, 126, 234, 0.5);
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

html{
  scroll-behavior: smooth;
}

body{ 
  margin:0; 
  padding:0; 
  background: var(--bg);
  background-image: 
    radial-gradient(at 0% 0%, rgba(102, 126, 234, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(240, 147, 251, 0.15) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(0, 245, 160, 0.08) 0px, transparent 60%),
    radial-gradient(at 80% 20%, rgba(255, 107, 107, 0.1) 0px, transparent 50%);
  color:var(--text); 
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(135deg, transparent 0%, rgba(102, 126, 234, 0.03) 50%, transparent 100%),
    linear-gradient(45deg, transparent 0%, rgba(240, 147, 251, 0.03) 50%, transparent 100%);
  pointer-events: none;
  z-index: 0;
  animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

a,button{ 
  cursor:pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a {
  color: var(--primary-solid);
  text-decoration: none;
}

a:hover {
  color: var(--primary-light);
}

.dp-container{ width:min(1100px, 92%); margin:0 auto; }
.dp-flex{ display:flex; gap:.75rem; }
.dp-between{ justify-content: space-between; }
.dp-center{ align-items: center; }

.dp-header{ 
  position:sticky; 
  top:0; 
  backdrop-filter: blur(20px) saturate(180%); 
  background: linear-gradient(135deg, rgba(10, 10, 15, 0.9) 0%, rgba(18, 18, 26, 0.9) 100%);
  border-bottom: 1px solid rgba(102, 126, 234, 0.3);
  box-shadow: 0 4px 30px rgba(102, 126, 234, 0.3), 0 0 50px rgba(240, 147, 251, 0.2);
  z-index:10; 
  padding:1rem 0;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.dp-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
  animation: headerShine 3s ease-in-out infinite;
}

@keyframes headerShine {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}

.dp-header:hover {
  box-shadow: 0 4px 35px rgba(102, 126, 234, 0.4), 0 0 60px rgba(240, 147, 251, 0.3);
}

.dp-brand{ 
  display:flex; 
  align-items:center; 
  gap:.6rem; 
  font-weight:800; 
  font-size: 1.4rem;
  letter-spacing:.5px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #ffd76b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
  text-shadow: 0 0 30px rgba(102, 126, 234, 0.5);
}

.logo-dot{ 
  width:14px; 
  height:14px; 
  border-radius:50%; 
  background: linear-gradient(135deg, #667eea, #f093fb, #ffd76b);
  display:inline-block;
  box-shadow: 0 0 20px rgba(102, 126, 234, 0.6), 0 0 40px rgba(240, 147, 251, 0.4);
  animation: logoPulse 2s ease-in-out infinite;
  position: relative;
}

.logo-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #f093fb, #ffd76b);
  opacity: 0.3;
  filter: blur(5px);
  animation: logoPulse 2s ease-in-out infinite reverse;
}

@keyframes logoPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 20px rgba(102, 126, 234, 0.6), 0 0 40px rgba(240, 147, 251, 0.4); }
  50% { transform: scale(1.2); box-shadow: 0 0 30px rgba(102, 126, 234, 0.8), 0 0 60px rgba(240, 147, 251, 0.6); }
}

.brand-text{ 
  color:var(--text);
  font-weight: 800;
}

.dp-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.dp-nav .nav-btn{
  background: rgba(18, 18, 26, 0.4);
  border: 1px solid rgba(102, 126, 234, 0.3);
  color: var(--text-secondary);
  padding:.65rem 1rem;
  border-radius:25px;
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.dp-nav .nav-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), rgba(240, 147, 251, 0.3), transparent);
  transition: left 0.5s;
}

.dp-nav .nav-btn:hover::before {
  left: 100%;
}

.dp-nav .nav-btn:hover{ 
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(240, 147, 251, 0.15));
  border-color: rgba(102, 126, 234, 0.6);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3), 0 0 30px rgba(240, 147, 251, 0.2);
}

.dp-nav .nav-btn.active{ 
  background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
  border: 1px solid transparent;
  color: white;
  box-shadow: 0 6px 25px rgba(102, 126, 234, 0.4), 0 0 40px rgba(240, 147, 251, 0.3);
  transform: translateY(-2px);
  font-weight: 700;
}

#app{ padding: 1.5rem 0 4rem; min-height: 60vh; }

.card{
  background: var(--card);
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: var(--shadow), 0 0 30px rgba(102, 126, 234, 0.1);
  backdrop-filter: blur(15px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #f5576c, #ffd76b);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.05), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover::after {
  opacity: 1;
}

.card:hover {
  background: var(--card-hover);
  border-color: rgba(102, 126, 234, 0.4);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), 0 0 50px rgba(102, 126, 234, 0.2), 0 0 80px rgba(240, 147, 251, 0.15);
}

.grid{ display:grid; gap:1rem; }
.grid.cols-2{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.cols-3{ grid-template-columns: repeat(3, minmax(0,1fr)); }
@media(max-width:900px){ .grid.cols-3{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media(max-width:640px){ .grid.cols-2,.grid.cols-3{ grid-template-columns: 1fr; } }

.input, .select, .textarea{
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 16px;
  border: 2px solid rgba(102, 126, 234, 0.2);
  background: rgba(18, 18, 26, 0.6);
  color: var(--text);
  font-size: 0.95rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--primary-solid);
  background: rgba(18, 18, 26, 0.8);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input::placeholder {
  color: var(--muted);
}

.label{ 
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.3px;
}

.btn{
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  border: none;
  background: var(--primary);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
  width: 300px;
  height: 300px;
}

.btn:hover{
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn:active {
  transform: translateY(0);
}

.btn.secondary{ 
  background: rgba(180, 180, 200, 0.1);
  border: 1px solid rgba(180, 180, 200, 0.3);
  color: var(--text);
  box-shadow: none;
}

.btn.secondary:hover {
  background: rgba(180, 180, 200, 0.2);
  border-color: rgba(180, 180, 200, 0.5);
}

.btn.ghost{ 
  background: transparent;
  border: 1px solid rgba(102, 126, 234, 0.3);
  color: var(--primary-solid);
  box-shadow: none;
}

.btn.ghost:hover {
  background: rgba(102, 126, 234, 0.1);
  border-color: var(--primary-solid);
}

.btn.danger{ 
  background: linear-gradient(135deg, #ff6b9d 0%, #c94b4b 100%);
  box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
}

.btn.danger:hover {
  box-shadow: 0 6px 20px rgba(255, 107, 157, 0.4);
}

.btn.success{ 
  background: linear-gradient(135deg, #00f5a0 0%, #00d9f5 100%);
  color: #0a0a0f;
  box-shadow: 0 4px 15px rgba(0, 245, 160, 0.3);
}

.btn.success:hover {
  box-shadow: 0 6px 20px rgba(0, 245, 160, 0.4);
}

.btn:disabled{ 
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn.sm{ 
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

.table{ 
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: 16px;
}

.table th,.table td{ 
  border-bottom: 1px solid rgba(102, 126, 234, 0.1);
  padding: 1rem 0.8rem;
  text-align: left;
}

.table th{ 
  color: var(--text-secondary);
  font-weight: 600;
  background: rgba(102, 126, 234, 0.05);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.table tr {
  transition: all 0.3s ease;
}

.table tbody tr:hover {
  background: rgba(102, 126, 234, 0.05);
}

.badge{ 
  padding: 0.35rem 0.75rem;
  border-radius: 25px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  display: inline-block;
}

.badge.ok{ 
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(0, 245, 160, 0.3);
}

.badge.warn{ 
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(255, 107, 157, 0.3);
}

.dp-footer{ 
  border-top: 1px solid rgba(102, 126, 234, 0.3);
  padding: 3rem 0;
  color: var(--muted);
  text-align: center;
  margin-top: 4rem;
  background: linear-gradient(135deg, rgba(18, 18, 26, 0.6) 0%, rgba(10, 10, 15, 0.8) 100%);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.dp-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(at 20% 50%, rgba(102, 126, 234, 0.1) 0px, transparent 50%),
    radial-gradient(at 80% 50%, rgba(240, 147, 251, 0.1) 0px, transparent 50%);
  pointer-events: none;
}

.dp-footer > * {
  position: relative;
  z-index: 1;
}

.modal-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal{ 
  width: min(560px, 94vw);
  background: var(--card);
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 28px;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  animation: modalSlide 0.3s ease;
  position: relative;
}

@keyframes modalSlide {
  from {
    opacity: 0;
    transform: translateY(-30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  border-radius: 20px 20px 0 0;
}

.modal-backdrop.show{ display: flex; }

/* Utilidades */
.muted{ color: var(--muted); }
.text-center{ text-align: center; }
.mb-1{ margin-bottom: 1rem; }
.mt-1{ margin-top: 1rem; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

/* Imágenes */
.prod-img{
  width: 100%;
  height: auto;
  display: block;
  border-radius: 20px;
  margin-bottom: 1rem;
  object-fit: cover;
  max-height: 220px;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.prod-img:hover {
  transform: scale(1.05);
}

.img-cell{ width: 80px; }

.thumb{ 
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 16px;
  border: 2px solid rgba(102, 126, 234, 0.3);
  transition: all 0.3s ease;
}

.thumb:hover {
  border-color: var(--primary-solid);
  transform: scale(1.1);
}

.actions .btn{ margin-right: 0.5rem; }

/* Avisos */
.notice{ 
  padding: 1rem 1.25rem;
  border-radius: 20px;
  margin-bottom: 1rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease;
}

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

.notice.ok{ 
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(0, 245, 160, 0.3);
}

.notice.err{ 
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(255, 107, 157, 0.3);
}

/* ==== Fondo de partículas ==== */
#bg-particles{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .6;
}
body, .dp-header, #app, .dp-footer{ position: relative; z-index: 1; }

/* Hidden */
.hidden{ display: none !important; }

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(102, 126, 234, 0.2);
  border-top-color: var(--primary-solid);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}

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

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #7b8ff5 0%, #8b5cb8 100%);
}

/* Responsive */
@media(max-width: 768px) {
  .dp-nav {
    gap: 0.3rem;
  }
  
  .dp-nav .nav-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  .card {
    padding: 1.25rem;
  }
  
  .grid {
    gap: 0.75rem;
  }
}

/* Animación de entrada para cards */
.card {
  animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Efectos de hover para enlaces */
a {
  position: relative;
}

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

a:hover::after {
  width: 100%;
}