/* ============================================================
   Shyam Dairy CRM — Light Theme
   ============================================================ */

:root {
  --primary:       #2563eb;
  --primary-dark:  #1d4ed8;
  --primary-light: #dbeafe;
  --success:       #16a34a;
  --success-light: #dcfce7;
  --warning:       #d97706;
  --warning-light: #fef3c7;
  --danger:        #dc2626;
  --danger-light:  #fee2e2;
  --info:          #0891b2;
  --info-light:    #cffafe;

  --bg:            #f1f5f9;
  --card-bg:       #ffffff;
  --sidebar-bg:    #ffffff;
  --topbar-bg:     #ffffff;
  --border:        #e2e8f0;
  --border-light:  #f1f5f9;

  --text:          #1e293b;
  --text-muted:    #64748b;
  --text-light:    #94a3b8;

  --sidebar-w:     260px;
  --topbar-h:      64px;
  --radius:        10px;
  --radius-sm:     6px;
  --shadow:        0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:     0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.04);
  --shadow-lg:     0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -2px rgba(0,0,0,.04);

  --font:          'Inter', system-ui, -apple-system, sans-serif;
  --transition:    .2s ease;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform var(--transition);
  box-shadow: var(--shadow-md);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px;
  border-bottom: 1px solid var(--border-light);
  min-height: var(--topbar-h);
}

.brand-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
}

.brand-text { display: flex; flex-direction: column; }
.brand-name { font-weight: 700; font-size: 15px; color: var(--text); line-height: 1.2; }
.brand-sub  { font-size: 11px; color: var(--text-muted); }

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--text-light);
  padding: 8px 8px 4px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--bg); color: var(--text); }
.nav-item.active { background: var(--primary-light); color: var(--primary); }
.nav-item .nav-icon { width: 18px; text-align: center; font-size: 15px; }

.sidebar-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid var(--border);
}
.user-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  border-radius: 50%;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.user-info { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.user-details { display: flex; flex-direction: column; min-width: 0; }
.user-name  { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role  { font-size: 11px; color: var(--text-muted); }
.logout-btn {
  color: var(--text-muted);
  font-size: 15px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.logout-btn:hover { color: var(--danger); background: var(--danger-light); }

/* ---- Main Content ---- */
.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  transition: margin-left var(--transition);
}

.topbar {
  position: sticky;
  top: 0;
  height: var(--topbar-h);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  z-index: 100;
  box-shadow: var(--shadow);
}

.sidebar-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted);
  font-size: 18px;
  padding: 4px;
  display: none;
}
.topbar-title { font-size: 16px; font-weight: 600; flex: 1; color: var(--text); }
.date-display { font-size: 13px; color: var(--text-muted); }

.page-content { padding: 24px; }

/* ---- Cards ---- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.card-title { font-size: 15px; font-weight: 600; margin: 0; }
.card-body  { padding: 20px; }

/* ---- Stat Cards ---- */
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
}
.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.stat-icon.blue   { background: var(--primary-light); color: var(--primary); }
.stat-icon.green  { background: var(--success-light); color: var(--success); }
.stat-icon.yellow { background: var(--warning-light); color: var(--warning); }
.stat-icon.red    { background: var(--danger-light);  color: var(--danger); }
.stat-value { font-size: 26px; font-weight: 700; line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.4;
}
.btn-primary   { background: var(--primary);  color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-success   { background: var(--success);  color: #fff; border-color: var(--success); }
.btn-success:hover { filter: brightness(.92); }
.btn-danger    { background: var(--danger);   color: #fff; border-color: var(--danger); }
.btn-danger:hover  { filter: brightness(.92); }
.btn-warning   { background: var(--warning);  color: #fff; border-color: var(--warning); }
.btn-outline   { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { background: var(--bg); }
.btn-outline-primary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline-primary:hover { background: var(--primary-light); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px; width: 32px; height: 32px; justify-content: center; }

/* ---- Forms ---- */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 5px; color: var(--text); }
.form-label .req { color: var(--danger); margin-left: 2px; }
.form-control, .form-select {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-family: var(--font);
  color: var(--text);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-control.is-invalid { border-color: var(--danger); }
.invalid-feedback { font-size: 12px; color: var(--danger); margin-top: 3px; }
.input-readonly { background: var(--bg); color: var(--text-muted); cursor: default; }
.series-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 12px;
  background: var(--primary-light);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .08em;
  width: 100%;
}

/* ---- Table ---- */
.table-wrapper { overflow-x: auto; border-radius: 0 0 var(--radius) var(--radius); }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.data-table thead tr {
  background: var(--bg);
}
.data-table th {
  padding: 11px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
  vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: #fafbff; }
.data-table .text-center { text-align: center; }
.data-table .text-right  { text-align: right; }

/* Milk input cells */
.milk-input {
  width: 80px;
  padding: 5px 7px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  text-align: center;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: #fff;
  color: var(--text);
}
.milk-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37,99,235,.1);
}
.milk-input:read-only { background: var(--bg); color: var(--text-muted); cursor: default; }

/* ---- Badges ---- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.badge-active   { background: var(--success-light); color: var(--success); }
.badge-inactive { background: var(--danger-light);  color: var(--danger); }
.badge-series   { background: var(--primary-light); color: var(--primary); font-size: 12px; font-weight: 700; letter-spacing: .06em; }

/* ---- Toggle Switch ---- */
.toggle-group {
  display: inline-flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
}
.toggle-btn {
  padding: 7px 20px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  transition: all var(--transition);
}
.toggle-btn.active {
  background: var(--card-bg);
  color: var(--primary);
  box-shadow: var(--shadow);
  font-weight: 600;
}
.toggle-btn.active.filled  { color: var(--success); }
.toggle-btn.active.pending { color: var(--warning); }

/* ---- Pagination ---- */
.pagination-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 10px;
}
.pagination-info { font-size: 13px; color: var(--text-muted); }
.pagination-btns { display: flex; gap: 4px; }
.page-btn {
  min-width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  background: var(--card-bg);
  color: var(--text-muted);
  transition: all var(--transition);
  padding: 0 8px;
}
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }

/* Per-page selector */
.per-page-group { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.per-page-btn {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  font-size: 12.5px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}
.per-page-btn:hover  { border-color: var(--primary); color: var(--primary); }
.per-page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

/* ---- Modals ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.45);
  z-index: 500;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.show { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(.96);
  transition: transform var(--transition);
}
.modal-overlay.show .modal-box { transform: scale(1); }
.modal-box.sm { max-width: 420px; }
.modal-box.md { max-width: 600px; }
.modal-box.lg { max-width: 800px; }
.modal-box.xl { max-width: 1000px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--card-bg); z-index: 1;
}
.modal-title { font-size: 16px; font-weight: 600; }
.modal-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 18px;
  padding: 4px; border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--bg); color: var(--text); }
.modal-body   { padding: 22px; }
.modal-footer {
  display: flex; align-items: center; justify-content: flex-end; gap: 10px;
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  background: var(--card-bg);
  position: sticky; bottom: 0;
}

/* ---- Summary Modal specific ---- */
.summary-row {
  display: grid;
  grid-template-columns: 60px 1fr 80px 70px 70px 80px 70px 70px;
  gap: 6px;
  align-items: center;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
}
.summary-row:nth-child(odd) { background: var(--bg); }
.summary-header { font-weight: 700; color: var(--text-muted); font-size: 11px; text-transform: uppercase; }
.summary-totals {
  display: flex; gap: 20px; flex-wrap: wrap;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
}
.summary-total-item { display: flex; flex-direction: column; }
.summary-total-label { font-size: 11px; color: var(--text-muted); }
.summary-total-value { font-size: 16px; font-weight: 700; color: var(--primary); }

/* ---- Search / Filter Bar ---- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.search-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
  max-width: 360px;
}
.search-wrap .search-icon {
  position: absolute; left: 10px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted); font-size: 14px; pointer-events: none;
}
.search-wrap .form-control { padding-left: 34px; }

/* ---- Status Toggle in Table ---- */
.status-toggle {
  cursor: pointer;
  transition: all var(--transition);
}
.status-toggle:hover { opacity: .8; transform: scale(1.05); }

/* ---- Confirm Delete ---- */
.delete-icon-wrap {
  width: 56px; height: 56px;
  background: var(--danger-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--danger); font-size: 22px;
  margin: 0 auto 14px;
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 40px; margin-bottom: 12px; opacity: .4; }
.empty-state p { font-size: 14px; }

/* ---- Toast ---- */
.toast-item {
  min-width: 260px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; gap: 10px;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: slideUp .25s ease;
  color: #fff;
}
.toast-item.success { background: var(--success); }
.toast-item.danger  { background: var(--danger); }
.toast-item.warning { background: var(--warning); }
.toast-item.info    { background: var(--info); }
@keyframes slideUp {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ---- Login Page ---- */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #eff6ff 0%, #f0fdf4 50%, #faf5ff 100%);
  padding: 20px;
}
.login-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
}
.login-brand {
  text-align: center;
  margin-bottom: 28px;
}
.login-brand-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 26px;
  margin: 0 auto 12px;
}
.login-brand h1 { font-size: 22px; font-weight: 700; }
.login-brand p  { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.login-alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin-bottom: 16px;
}
.login-alert.error { background: var(--danger-light); color: var(--danger); border: 1px solid #fca5a5; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(calc(-1 * var(--sidebar-w)));
  }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-toggle { display: flex; }
  .page-content { padding: 16px; }
  .summary-row { grid-template-columns: 50px 1fr 65px 55px 55px 65px 55px 55px; font-size: 11px; }
  .milk-input { width: 64px; }
}

@media (max-width: 576px) {
  .login-card { padding: 28px 20px; }
  .card-header { flex-direction: column; align-items: flex-start; }
  .summary-row { grid-template-columns: 40px 1fr repeat(6, 55px); }
}

/* ---- Divider ---- */
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ---- Section header row ---- */
.section-morning { background: rgba(219,234,254,.35); }
.section-evening  { background: rgba(220,252,231,.35); }
.th-morning { color: var(--primary) !important; }
.th-evening { color: var(--success) !important; }

/* ---- Action buttons in table ---- */
.action-btn-group { display: flex; gap: 4px; }
.btn-edit   { background: var(--info-light);   color: var(--info);    border: none; }
.btn-edit:hover   { background: var(--info);    color: #fff; }
.btn-delete { background: var(--danger-light);  color: var(--danger);  border: none; }
.btn-delete:hover { background: var(--danger);  color: #fff; }

/* ---- Misc ---- */
.fw-600 { font-weight: 600; }
.text-primary { color: var(--primary) !important; }
.text-muted   { color: var(--text-muted) !important; }
.text-danger  { color: var(--danger) !important; }
.gap-2 { gap: 8px; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

/* Date picker accent */
input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer; opacity: .6;
}
input[type="date"]::-webkit-calendar-picker-indicator:hover { opacity: 1; }