:root {
  --bg-main:      #0b0f19;
  --bg-card:      rgba(22, 27, 34, 0.7);
  --bg-input:     #1c2128;
  --border:       #30363D;
  --text-main:    #E6EDF3;
  --text-muted:   #8b949e;
  --accent:       #0052cc;
  --accent-light: #4dabf7;
  --accent-glow:  rgba(77, 171, 247, 0.3);
  --success:      #3FB950;
  --warning:      #D29922;
  --danger:       #F85149;
  --info:         #58A6FF;
  --font-main:    'Outfit', sans-serif;
  --glass-bg:     rgba(22, 27, 34, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow-card:  0 8px 32px rgba(0, 0, 0, 0.2);
}

body.light-mode {
  --bg-main:      #f0f4f8;
  --bg-card:      rgba(255, 255, 255, 0.85);
  --bg-input:     #ffffff;
  --border:       #d1d9e0;
  --text-main:    #1f2937;
  --text-muted:   #6b7280;
  --glass-bg:     rgba(255, 255, 255, 0.75);
  --glass-border: rgba(0, 0, 0, 0.05);
  --shadow-card:  0 8px 32px rgba(0, 0, 0, 0.05);
}

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

body {
  background-color: var(--bg-main);
  background-image: radial-gradient(circle at top right, rgba(0,82,204,0.1) 0%, transparent 40%),
                    radial-gradient(circle at bottom left, rgba(77,171,247,0.05) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-main);
  display: flex;
  min-height: 100vh;
}

a { color: var(--accent-light); text-decoration: none; transition: 0.2s; }
a:hover { color: #fff; text-shadow: 0 0 8px var(--accent-glow); }

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1050;
  box-shadow: 4px 0 24px rgba(0,0,0,0.2);
}

.sidebar-header {
  padding: 24px 20px;
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  border-bottom: 1px solid var(--glass-border);
  color: #fff;
  letter-spacing: 1px;
  background: linear-gradient(90deg, var(--accent-light), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-header i {
  -webkit-text-fill-color: var(--accent-light);
  margin-right: 8px;
}

.sidebar-nav {
  flex-grow: 1;
  padding: 20px 0;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  padding: 14px 24px;
  color: var(--text-muted);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.sidebar-nav a i {
  width: 24px;
  font-size: 1.1rem;
  margin-right: 12px;
  text-align: center;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
  background-color: rgba(255,255,255,0.05);
  color: #fff;
  border-left: 3px solid var(--accent-light);
  box-shadow: inset 20px 0 20px -20px var(--accent-glow);
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  background: rgba(0,0,0,0.1);
}

.sidebar-footer p { margin-bottom: 8px; font-weight: 500; }

/* Main Content */
.main-content {
  margin-left: 260px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  width: calc(100% - 260px);
}

.top-header {
  height: 70px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}

.header-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
}

.header-user {
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

.content-wrapper {
  padding: 32px;
  flex-grow: 1;
}

/* Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.card h2, .card h3 {
  margin-bottom: 20px;
  color: #fff;
  font-weight: 600;
}

/* Metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.metric-card {
  text-align: center;
  padding: 30px 20px;
  background: linear-gradient(145deg, rgba(33,38,45,0.8), rgba(22,27,34,0.8));
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
}

.metric-title {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.metric-value {
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
}

/* Forms & Inputs */
.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

input, select, textarea {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  color: #fff;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-light);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background-color: #21262d;
}

/* Buttons */
.btn {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn:hover { 
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

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

.btn-primary { 
  background: linear-gradient(135deg, var(--accent), var(--accent-light)); 
  color: white; 
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-primary:hover { box-shadow: 0 6px 20px var(--accent-glow); }

.btn-success { background: linear-gradient(135deg, #2ea043, #3FB950); color: white; }
.btn-danger { background: linear-gradient(135deg, #da3633, #F85149); color: white; }
.btn-secondary { background-color: var(--bg-input); color: var(--text-main); border: 1px solid var(--border); }
.btn-secondary:hover { background-color: #30363d; color: #fff; }

/* Tables */
.table-responsive {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(22,27,34,0.4);
}

th, td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

th {
  background: rgba(255,255,255,0.02);
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

tbody tr { transition: background 0.2s; }
tbody tr:hover { background-color: rgba(255,255,255,0.05); }

/* Badges */
.badge {
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.badge-cotizado { background-color: var(--bg-input); color: var(--text-main); border: 1px solid var(--border); }
.badge-confirmado { background-color: rgba(88, 166, 255, 0.2); color: var(--info); border: 1px solid var(--info); }
.badge-en_produccion { background-color: rgba(210, 153, 34, 0.2); color: var(--warning); border: 1px solid var(--warning); }
.badge-listo { background-color: rgba(77, 171, 247, 0.2); color: var(--accent-light); border: 1px solid var(--accent-light); }
.badge-entregado { background-color: rgba(63, 185, 80, 0.2); color: var(--success); border: 1px solid var(--success); }
.badge-cancelado { background-color: rgba(248, 81, 73, 0.2); color: var(--danger); border: 1px solid var(--danger); }

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
}

.modal.show { display: flex; animation: fadeIn 0.3s; }

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-content {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  width: 90%;
  max-width: 500px;
  box-shadow: 0 24px 48px rgba(0,0,0,0.4);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.close-modal {
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.close-modal:hover { color: #fff; }

/* Autocomplete suggestions */
.autocomplete-suggestions {
  position: absolute;
  border: 1px solid var(--border);
  background: #1c2128;
  z-index: 1000;
  width: 100%;
  max-height: 250px;
  overflow-y: auto;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  top: 100%;
  margin-top: 4px;
}

.autocomplete-suggestion {
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background 0.2s;
}

.autocomplete-suggestion:hover {
  background-color: rgba(77, 171, 247, 0.1);
  color: var(--accent-light);
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1040;
}
.sidebar-overlay.show { display: block; animation: fadeIn 0.3s; }

/* Responsive */
@media (max-width: 992px) {
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); width: 280px; }
  .sidebar.open { transform: translateX(0) !important; }
  .main-content { margin-left: 0; width: 100%; }
  .menu-toggle { display: block; margin-right: 15px;}
  .top-header { padding: 0 20px; justify-content: flex-start; }
  .header-title { flex-grow: 1; font-size: 1.1rem; }
  .header-user { display: none; } /* Hide user name on very small screens to save space */
  .content-wrapper { padding: 16px; }
  .card { padding: 16px; }
  .metric-card { padding: 20px 15px; }
}

/* Toasts */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
}
.toast {
  padding: 16px 24px;
  margin-top: 12px;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
.toast-success { background: linear-gradient(135deg, #2ea043, #3FB950); }
.toast-error { background: linear-gradient(135deg, #da3633, #F85149); }

/* Login Box */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100%;
  background: radial-gradient(circle at center, rgba(0,82,204,0.15) 0%, transparent 60%);
}

.login-box {
  width: 100%;
  max-width: 420px;
}

.login-box .card {
  padding: 40px;
}

/* Light Mode Overrides */
body.light-mode .sidebar-header,
body.light-mode .header-title,
body.light-mode .card h2,
body.light-mode .card h3,
body.light-mode .metric-value,
body.light-mode input,
body.light-mode select,
body.light-mode textarea,
body.light-mode th {
  color: var(--text-main);
}

body.light-mode a:hover { color: var(--accent); text-shadow:none; }
body.light-mode .sidebar-nav a:hover, body.light-mode .sidebar-nav a.active { color: var(--accent); }
body.light-mode .sidebar-header { background: linear-gradient(90deg, var(--accent), var(--text-main)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
body.light-mode .metric-card { background: linear-gradient(145deg, #ffffff, #f0f4f8); }
body.light-mode .btn-secondary:hover { background-color: #e5e7eb; color: var(--text-main); }
body.light-mode table { background: rgba(255,255,255,0.4); }
body.light-mode th { background: rgba(0,0,0,0.02); }
body.light-mode tbody tr:hover { background-color: rgba(0,0,0,0.02); }
body.light-mode .autocomplete-suggestions { background: #fff; }
body.light-mode .autocomplete-suggestion { border-bottom: 1px solid rgba(0,0,0,0.05); }
body.light-mode input:focus, body.light-mode select:focus, body.light-mode textarea:focus { background-color: #fff; }