/* ==========================================
   AVICAMPO — Panel Administrativo
   Paleta: Marrón cacao + Dorado avícola
   ========================================== */

:root {
  --brown-900: #2C1A0E;
  --brown-800: #3D2410;
  --brown-700: #5C3518;
  --brown-600: #7A4520;
  --brown-500: #9A5C2A;
  --brown-400: #B87A40;
  --brown-300: #D4A060;
  --brown-200: #E8C898;
  --brown-100: #F5E8D0;
  --brown-50:  #FDF6EC;

  --gold-600: #C8920A;
  --gold-500: #D4A017;
  --gold-400: #E8B830;
  --gold-300: #F5CC60;
  --gold-200: #FDE89A;
  --gold-100: #FFF6D0;

  --bg-main:  #F8F9FA;
  --surface:  #FFFFFF;
  --text-main:#212529;
  --text-muted:#6C757D;
  --border:   #E9ECEF;
  --hover:    #F1F3F5;

  --success:  #198754;
  --success-bg: #D1E7DD;
  --warning:  #FD7E14;
  --warning-bg: #FFE5D0;
  --danger:   #DC3545;
  --danger-bg: #F8D7DA;
  --info:     #0D6EFD;
  --info-bg:  #CFE2FF;

  --sidebar-w: 260px;
  --topbar-h: 64px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.05);
  
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --transition: all 0.2s ease-in-out;
}

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  overflow: hidden; /* Prevent full body scroll, handle internally */
}

/* ---- LOGIN ---- */
.login-overlay {
  position: fixed; inset: 0;
  background: var(--brown-900);
  background-image: radial-gradient(circle at top right, var(--brown-700) 0%, transparent 50%),
                    radial-gradient(circle at bottom left, var(--brown-800) 0%, transparent 50%);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
}
.login-card {
  background: var(--surface);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  width: 100%; max-width: 400px;
  text-align: center;
}
.login-logo { height: 48px; margin-bottom: 24px; }
.login-card h2 { font-family: 'Outfit', sans-serif; color: var(--brown-900); font-size: 24px; margin-bottom: 8px; }
.login-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }
.login-form { display: flex; flex-direction: column; gap: 16px; text-align: left; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--brown-700); margin-bottom: 6px; display: block; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 14px; transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--brown-400); box-shadow: 0 0 0 3px rgba(154,92,42,0.1);
}
.btn-login {
  background: var(--brown-700); color: white;
  border: none; border-radius: var(--radius-md);
  padding: 12px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  margin-top: 8px;
}
.btn-login:hover { background: var(--brown-900); }
.login-demo { margin-top: 24px; font-size: 12px; color: var(--text-muted); }
.login-demo code { background: var(--bg-main); padding: 2px 6px; border-radius: 4px; color: var(--brown-700); }
.login-error { color: var(--danger); font-size: 13px; text-align: center; min-height: 20px; }

/* ---- APP SHELL ---- */
.app-shell { display: flex; height: 100vh; width: 100vw; overflow: hidden; }

/* ---- SIDEBAR ---- */
.sidebar {
  width: var(--sidebar-w); background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: transform 0.3s ease;
  z-index: 100;
}
.sidebar-logo { padding: 20px 24px; border-bottom: 1px solid var(--border); text-align: center; }
.s-logo { height: 50px; width: auto; }
.sidebar-nav { flex: 1; padding: 20px 12px; display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: none; border: none;
  width: 100%; text-align: left; border-radius: var(--radius-md);
  color: var(--text-muted); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: var(--transition); position: relative;
}
.nav-item:hover { background: var(--hover); color: var(--brown-700); }
.nav-item.active { background: var(--brown-50); color: var(--brown-700); font-weight: 600; }
.nav-item.active::before {
  content: ''; position: absolute; left: 0; top: 8px; bottom: 8px;
  width: 4px; background: var(--brown-700); border-radius: 0 4px 4px 0;
}
.nav-icon { font-size: 18px; }
.nav-badge { margin-left: auto; background: var(--warning); color: white; font-size: 11px; padding: 2px 6px; border-radius: 10px; font-weight: 700; }
.nav-divider { height: 1px; background: var(--border); margin: 12px 0; }
.sidebar-user {
  padding: 16px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--brown-200); color: var(--brown-900);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px;
}
.user-info { flex: 1; overflow: hidden; }
.user-name { display: block; font-size: 14px; font-weight: 600; color: var(--brown-900); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { display: block; font-size: 12px; color: var(--text-muted); }
.logout-btn { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px; font-size: 16px; transition: var(--transition); }
.logout-btn:hover { color: var(--danger); }

/* ---- MAIN CONTENT ---- */
.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: var(--bg-main); }

/* TOPBAR */
.topbar {
  height: var(--topbar-h); background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; flex-shrink: 0;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 16px; }
.sidebar-toggle { display: none; background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-muted); }
.breadcrumb { font-size: 15px; font-weight: 600; color: var(--brown-900); }
.topbar-date { font-size: 13px; color: var(--text-muted); }
.notif-btn { position: relative; cursor: pointer; font-size: 20px; padding: 4px; }
.notif-dot { position: absolute; top: 4px; right: 4px; width: 8px; height: 8px; background: var(--danger); border-radius: 50%; border: 2px solid var(--surface); display: none; }

/* PAGES */
.page { display: none; padding: 32px 40px; overflow-y: auto; height: 100%; flex: 1; }
.page.active { display: block; }
.page-header { display: flex; flex-direction: column; margin-bottom: 24px; position: relative; }
.page-header h1 { font-family: 'Outfit', sans-serif; font-size: 28px; font-weight: 700; color: var(--brown-900); }
.page-header p { color: var(--text-muted); font-size: 14px; }
.btn-primary-sm {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  background: var(--brown-700); color: white;
  border: none; border-radius: var(--radius-sm);
  padding: 8px 16px; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
}
.btn-primary-sm:hover { background: var(--brown-900); }

/* DASHBOARD KPIs */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 32px; }
.kpi-card { background: var(--surface); border: 1px solid rgba(0,0,0,0.04); border-radius: 12px; padding: 16px; display: flex; align-items: flex-start; gap: 12px; box-shadow: 0 4px 16px rgba(0,0,0,0.02); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); position: relative; overflow: hidden; }
.kpi-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(92,53,24,0.06); border-color: rgba(92,53,24,0.08); }
.kpi-icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(154,92,42,0.1); color: var(--brown-600); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.kpi-card.warning .kpi-icon { background: rgba(253,126,20,0.1); color: var(--warning); }
.kpi-card.info .kpi-icon { background: rgba(13,110,253,0.1); color: var(--info); }
.kpi-card.success .kpi-icon { background: rgba(25,135,84,0.1); color: var(--success); }
.kpi-card.highlight .kpi-icon { background: rgba(212,160,23,0.1); color: var(--gold-600); }
.kpi-body { flex: 1; }
.kpi-label { font-size: 11px; color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.kpi-value { font-family: 'Outfit', sans-serif; font-size: 24px; font-weight: 800; color: var(--brown-900); line-height: 1; margin-bottom: 6px; letter-spacing: -0.5px; }
.kpi-card.warning .kpi-value { color: var(--warning); }
.kpi-card.info .kpi-value { color: var(--info); }
.kpi-delta { font-size: 13px; font-weight: 500; display: flex; align-items: center; gap: 4px; }
.kpi-delta.positive { color: var(--success); }
.kpi-delta.negative { color: var(--danger); }
.kpi-delta.neutral { color: var(--text-muted); }

/* DASHBOARD GRID */
.dashboard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.dash-card { background: var(--surface); border: 1px solid rgba(0,0,0,0.04); border-radius: 16px; padding: 24px; display: flex; flex-direction: column; box-shadow: 0 4px 16px rgba(0,0,0,0.02); }
.dash-card.full-width { grid-column: 1 / -1; }
.dash-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.dash-card-header h3 { font-family: 'Outfit', sans-serif; font-size: 18px; font-weight: 700; color: var(--brown-900); }
.card-action-btn { background: none; border: none; color: var(--brown-600); font-size: 13px; font-weight: 600; cursor: pointer; transition: var(--transition); }
.card-action-btn:hover { color: var(--brown-800); text-decoration: underline; }

/* NEW CHARTS: DONUT & GAUGE */
.gauge-container { display: flex; justify-content: center; align-items: center; padding: 20px 0; }
.gauge { width: 220px; height: 110px; background: var(--border); border-radius: 110px 110px 0 0; position: relative; overflow: hidden; }
.gauge::before { content: ''; position: absolute; top: 100%; left: 0; width: 100%; height: 100%; background: conic-gradient(from 270deg, var(--gold-400) 0%, var(--gold-500) 90deg, var(--brown-600) 135deg); transform-origin: center top; transform: rotate(135deg); border-radius: 0 0 110px 110px; transition: transform 1.5s cubic-bezier(0.4, 0, 0.2, 1); }
.gauge-inner { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 170px; height: 85px; background: var(--surface); border-radius: 85px 85px 0 0; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; padding-bottom: 12px; }
.gauge-value { font-family: 'Outfit', sans-serif; font-size: 32px; font-weight: 800; color: var(--brown-900); line-height: 1; }
.gauge-inner small { font-size: 12px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }

.donut-container { display: flex; flex-direction: column; align-items: center; gap: 20px; padding-top: 10px; }
.donut-chart { width: 160px; height: 160px; border-radius: 50%; display: flex; align-items: center; justify-content: center; position: relative; }
.donut-hole { width: 120px; height: 120px; background: var(--surface); border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.donut-total { font-family: 'Outfit', sans-serif; font-size: 28px; font-weight: 800; color: var(--brown-900); line-height: 1; }
.donut-hole small { font-size: 11px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; margin-top: 4px; }
.donut-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; width: 100%; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-main); font-weight: 500; }
.legend-color { width: 10px; height: 10px; border-radius: 2px; }

/* FAKE CHART */
.bar-chart { flex: 1; min-height: 240px; display: flex; align-items: flex-end; gap: 16px; padding-top: 20px; border-top: 1px dashed var(--border); margin-top: 16px; }
.chart-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 12px; justify-content: flex-end; height: 100%; }
.bar-wrap { width: 100%; height: 100%; display: flex; align-items: flex-end; justify-content: center; position: relative; }
.bar { width: 100%; max-width: 48px; background: linear-gradient(180deg, var(--gold-400) 0%, var(--brown-300) 100%); border-radius: 6px 6px 0 0; transition: height 1s cubic-bezier(0.4, 0, 0.2, 1); min-height: 4px; position: relative; box-shadow: 0 4px 12px rgba(212,160,23,0.15); }
.bar:hover { background: linear-gradient(180deg, var(--gold-500) 0%, var(--brown-400) 100%); filter: brightness(1.05); cursor: pointer; }
.bar-val { position: absolute; top: -32px; background: var(--brown-900); color: white; padding: 6px 10px; border-radius: 6px; font-size: 12px; font-weight: 700; opacity: 0; transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); white-space: nowrap; transform: translateY(8px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.bar-val::after { content: ''; position: absolute; bottom: -4px; left: 50%; transform: translateX(-50%); border-width: 4px 4px 0; border-style: solid; border-color: var(--brown-900) transparent transparent transparent; }
.bar:hover .bar-val { opacity: 1; transform: translateY(0); }
.chart-label { font-size: 13px; font-weight: 600; color: var(--text-muted); }

/* LISTS (Top Prods, Alerts) */
.list-item { display: flex; flex-direction: column; justify-content: center; padding: 16px 0; border-bottom: 1px solid var(--border); gap: 8px; }
.list-item:last-child { border-bottom: none; padding-bottom: 0; }
.list-row { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.list-item-left { display: flex; align-items: center; gap: 12px; }
.list-idx { font-size: 13px; font-weight: 700; color: var(--gold-600); width: 16px; }
.list-name { font-size: 14px; font-weight: 600; color: var(--text-main); }
.list-val { font-size: 13px; font-weight: 700; color: var(--brown-700); }
.progress-bg { width: 100%; height: 6px; background: var(--border); border-radius: 4px; overflow: hidden; margin-top: 4px; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--gold-400), var(--gold-600)); border-radius: 4px; }

/* TABLES & CONTROLS */
.table-controls { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.search-box-admin { position: relative; flex: 1; min-width: 200px; }
.search-box-admin span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 14px; color: var(--text-muted); }
.search-box-admin input { width: 100%; padding: 8px 12px 8px 36px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 13px; }
.search-box-admin input:focus { outline: none; border-color: var(--brown-400); }
.filter-select { padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 13px; background: var(--surface); color: var(--text-main); cursor: pointer; }
.filter-select:focus { outline: none; border-color: var(--brown-400); }

.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow-x: auto; box-shadow: var(--shadow-sm); }
.data-table { width: 100%; border-collapse: collapse; text-align: left; }
.data-table th { padding: 14px 16px; font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 2px solid var(--border); background: var(--hover); white-space: nowrap; }
.data-table td { padding: 14px 16px; font-size: 13px; color: var(--text-main); border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tbody tr:hover { background: var(--bg-main); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* BADGES */
.status-badge { display: inline-flex; align-items: center; padding: 4px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; }
.bg-success { background: var(--success-bg); color: var(--success); }
.bg-warning { background: var(--warning-bg); color: var(--warning); }
.bg-danger { background: var(--danger-bg); color: var(--danger); }
.bg-info { background: var(--info-bg); color: var(--info); }
.bg-neutral { background: var(--border); color: var(--text-muted); }

/* ACTION BUTTONS */
.action-btns { display: flex; gap: 8px; }
.btn-icon { background: none; border: 1px solid var(--border); border-radius: 4px; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-size: 14px; cursor: pointer; transition: var(--transition); color: var(--text-muted); }
.btn-icon:hover { background: var(--hover); color: var(--brown-700); border-color: var(--brown-300); }
.btn-icon.danger:hover { color: var(--danger); border-color: var(--danger); background: var(--danger-bg); }

/* MODALS */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 5000; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(2px); }
.modal-box { background: var(--surface); border-radius: var(--radius-lg); width: 100%; max-width: 500px; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; max-height: 90vh; }
.modal-header { padding: 16px 24px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-header h3 { font-size: 18px; font-weight: 600; color: var(--text-main); }
.modal-close { background: none; border: none; font-size: 20px; color: var(--text-muted); cursor: pointer; }
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 12px; }
.btn-cancel { background: var(--surface); border: 1px solid var(--border); color: var(--text-main); padding: 8px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; cursor: pointer; }
.btn-cancel:hover { background: var(--hover); }
.btn-save { background: var(--brown-700); border: none; color: white; padding: 8px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; cursor: pointer; }
.btn-save:hover { background: var(--brown-900); }

/* TOAST ADMIN */
.toast-admin { position: fixed; bottom: 24px; right: 24px; background: var(--text-main); color: white; padding: 12px 20px; border-radius: var(--radius-md); font-size: 13px; font-weight: 500; box-shadow: var(--shadow-lg); z-index: 6000; transform: translateY(100px); opacity: 0; transition: var(--transition); }
.toast-admin.show { transform: translateY(0); opacity: 1; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .sidebar { position: fixed; top: 0; bottom: 0; left: 0; transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .sidebar-toggle { display: block; }
  .page { padding: 20px; }
  .page-header h1 { font-size: 24px; }
  .btn-primary-sm { position: relative; top: 0; transform: none; margin-top: 12px; display: inline-block; width: fit-content; }
  .table-controls { flex-direction: column; }
  .search-box-admin { width: 100%; }
}