/* ============================================================
   R.K. Enterprises — Premium Dark-Warm UI Theme
   Bootstrap 5.3 override + Custom system
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=DM+Mono:wght@400;500&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --rk-ink:      #1A1410;
  --rk-ink2:     #2C2420;
  --rk-gold:     #D4A843;
  --rk-gold-l:   #F0C855;
  --rk-red:      #B83228;
  --rk-green:    #1A5E3A;
  --rk-green-l:  #2A8A54;
  --rk-blue:     #1A4070;
  --rk-purple:   #5B3FA0;
  --rk-paper:    #FAF8F5;
  --rk-paper2:   #F2EDE7;
  --rk-paper3:   #E8E0D8;
  --rk-border:   #DDD5CC;
  --rk-text:     #1A1410;
  --rk-text2:    #5A4E46;
  --rk-text3:    #8A7E78;
  --rk-navbar-h: 56px;
  --rk-radius:   10px;
  --rk-shadow:   0 2px 12px rgba(26,20,16,.08);
  --rk-shadow-l: 0 4px 24px rgba(26,20,16,.14);
  --rk-transition: .18s ease;
}

/* ── Base Reset ── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--rk-paper);
  color: var(--rk-text);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.rk-mono, code, pre { font-family: 'DM Mono', 'Fira Code', monospace; }

/* ============================================================
   NAVBAR
   ============================================================ */
.rk-navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--rk-ink);
  height: var(--rk-navbar-h);
  border-bottom: 1px solid rgba(212,168,67,.2);
  box-shadow: 0 2px 16px rgba(0,0,0,.35);
}

.rk-brand { padding: 6px 8px; border-radius: 8px; transition: background var(--rk-transition); }
.rk-brand:hover { background: rgba(255,255,255,.05); }
.rk-brand-icon { font-size: 1.5rem; line-height: 1; }
.rk-brand-name { color: var(--rk-gold); font-weight: 700; font-size: .95rem; line-height: 1.1; letter-spacing: .02em; }
.rk-brand-sub  { color: rgba(212,168,67,.55); font-size: .65rem; text-transform: uppercase; letter-spacing: .08em; }

.rk-nav-links { gap: 2px; }
.rk-nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 8px;
  color: rgba(255,255,255,.7); text-decoration: none;
  font-size: .82rem; font-weight: 500;
  transition: all var(--rk-transition);
  position: relative; white-space: nowrap;
}
.rk-nav-link i { font-size: .95rem; }
.rk-nav-link:hover { color: #fff; background: rgba(255,255,255,.08); }
.rk-nav-link.active { color: var(--rk-gold); background: rgba(212,168,67,.12); }
.rk-nav-link.active i { color: var(--rk-gold); }

.badge-pill {
  background: var(--rk-red); color: #fff;
  font-size: .65rem; font-weight: 700;
  padding: 2px 6px; border-radius: 10px;
  min-width: 18px; text-align: center;
}

.nav-admin { color: var(--rk-gold) !important; border: 1px solid rgba(212,168,67,.25); }
.nav-admin:hover { background: rgba(212,168,67,.15) !important; }
.nav-admin.active { background: rgba(212,168,67,.2) !important; }

.rk-user-pill {
  align-items: center; gap: 6px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px; padding: 4px 10px;
  color: rgba(255,255,255,.85); font-size: .78rem;
}
.rk-role-badge {
  background: rgba(212,168,67,.2);
  color: var(--rk-gold); font-size: .6rem;
  text-transform: uppercase; padding: 2px 6px;
  border-radius: 8px; letter-spacing: .05em;
}

.rk-btn-icon {
  background: transparent; border: none;
  color: rgba(255,255,255,.65); font-size: 1.1rem;
  padding: 5px 8px; border-radius: 6px;
  cursor: pointer; transition: all var(--rk-transition);
}
.rk-btn-icon:hover { color: #fff; background: rgba(255,255,255,.08); }

/* Mobile Nav */
.rk-mobile-menu {
  flex-direction: column;
  background: var(--rk-ink2);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 8px 0;
}
.rk-mobile-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; color: rgba(255,255,255,.8);
  text-decoration: none; font-size: .88rem;
  transition: background var(--rk-transition);
}
.rk-mobile-link:hover { background: rgba(255,255,255,.06); color: #fff; }

/* ============================================================
   MAIN
   ============================================================ */
.rk-main { min-height: calc(100vh - var(--rk-navbar-h)); }

/* ============================================================
   PAGE HEADER
   ============================================================ */
.rk-page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; margin-bottom: 16px;
}
.rk-page-title {
  font-size: 1.25rem; font-weight: 700; color: var(--rk-ink); margin: 0;
}
.rk-page-sub { color: var(--rk-text3); font-size: .8rem; margin: 2px 0 0; }

/* ============================================================
   CARDS
   ============================================================ */
.rk-card {
  background: #fff;
  border: 1px solid var(--rk-border);
  border-radius: var(--rk-radius);
  padding: 16px;
  box-shadow: var(--rk-shadow);
}
.rk-card-title {
  font-weight: 600; font-size: .88rem;
  color: var(--rk-text2); text-transform: uppercase;
  letter-spacing: .05em; margin-bottom: 12px;
  padding-bottom: 10px; border-bottom: 1px solid var(--rk-border);
}

/* ============================================================
   STATS BAR
   ============================================================ */
.rk-stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}
.rk-stat-card {
  background: #fff;
  border: 1px solid var(--rk-border);
  border-radius: var(--rk-radius);
  padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: var(--rk-shadow);
  transition: transform var(--rk-transition);
}
.rk-stat-card:hover { transform: translateY(-2px); }
.rk-stat-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.rk-stat-val { font-size: 1.4rem; font-weight: 700; line-height: 1; color: var(--rk-ink); font-family: 'DM Mono',monospace; }
.rk-stat-lbl { font-size: .7rem; color: var(--rk-text3); text-transform: uppercase; letter-spacing: .04em; margin-top: 2px; }
.rk-stat-chart { align-items: center; min-height: 72px; }

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.rk-input {
  background: var(--rk-paper) !important;
  border: 1px solid var(--rk-border) !important;
  color: var(--rk-text) !important;
  border-radius: 8px !important;
  font-family: inherit;
  transition: border-color var(--rk-transition), box-shadow var(--rk-transition) !important;
}
.rk-input:focus {
  border-color: var(--rk-gold) !important;
  box-shadow: 0 0 0 3px rgba(212,168,67,.15) !important;
  background: #fff !important;
  outline: none !important;
}
.rk-input::placeholder { color: var(--rk-text3) !important; }
.form-label { font-weight: 500; font-size: .82rem; color: var(--rk-text2); margin-bottom: 4px; }
.fw-500 { font-weight: 500; }

/* Input Group */
.rk-ig-text {
  background: var(--rk-paper2) !important;
  border: 1px solid var(--rk-border) !important;
  color: var(--rk-text3) !important;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.rk-btn-gold {
  background: var(--rk-gold); color: var(--rk-ink);
  border: none; border-radius: 8px;
  font-weight: 600; font-size: .85rem;
  padding: 8px 18px; cursor: pointer;
  transition: all var(--rk-transition);
}
.rk-btn-gold:hover { background: var(--rk-gold-l); color: var(--rk-ink); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(212,168,67,.35); }

.rk-btn-outline {
  background: transparent; color: var(--rk-text2);
  border: 1px solid var(--rk-border); border-radius: 8px;
  font-weight: 500; font-size: .85rem; padding: 7px 16px;
  cursor: pointer; transition: all var(--rk-transition);
}
.rk-btn-outline:hover { border-color: var(--rk-gold); color: var(--rk-gold); background: rgba(212,168,67,.06); }

.rk-btn-outline-sm {
  background: transparent; color: var(--rk-text2);
  border: 1px solid var(--rk-border); border-radius: 6px;
  font-size: .78rem; padding: 4px 10px;
  cursor: pointer; transition: all var(--rk-transition);
}
.rk-btn-outline-sm:hover { border-color: var(--rk-gold); color: var(--rk-gold); }

.rk-btn-sm {
  background: var(--rk-gold); color: var(--rk-ink);
  border: none; border-radius: 6px;
  font-weight: 600; font-size: .78rem; padding: 5px 12px;
  cursor: pointer; transition: all var(--rk-transition);
}
.rk-btn-sm:hover { background: var(--rk-gold-l); }

.rk-btn-xs {
  background: var(--rk-paper2); color: var(--rk-text2);
  border: 1px solid var(--rk-border); border-radius: 5px;
  font-size: .72rem; padding: 3px 8px;
  cursor: pointer; transition: all var(--rk-transition);
}
.rk-btn-xs:hover { border-color: var(--rk-gold); color: var(--rk-gold); }

.rk-btn-advance {
  background: rgba(26,64,112,.1); color: var(--rk-blue);
  border: 1px solid rgba(26,64,112,.25) !important;
}
.rk-btn-advance:hover { background: var(--rk-blue); color: #fff !important; border-color: var(--rk-blue) !important; }

.rk-btn-danger-sm {
  background: rgba(184,50,40,.1); color: var(--rk-red);
  border: 1px solid rgba(184,50,40,.2); border-radius: 5px;
  padding: 3px 7px; cursor: pointer; font-size: .78rem;
  transition: all var(--rk-transition);
}
.rk-btn-danger-sm:hover { background: var(--rk-red); color: #fff; }

.rk-btn-purple {
  background: var(--rk-purple); color: #fff;
  border: none; border-radius: 8px;
  font-weight: 600; font-size: .85rem; padding: 8px 18px;
  cursor: pointer; transition: all var(--rk-transition);
}
.rk-btn-purple:hover { background: #6e4db5; transform: translateY(-1px); }

/* ============================================================
   TABLES
   ============================================================ */
.rk-table { margin: 0; border-collapse: collapse; width: 100%; }
.rk-table th {
  background: var(--rk-paper2); color: var(--rk-text2);
  font-size: .72rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .04em; padding: 8px 12px;
  border-bottom: 2px solid var(--rk-border); white-space: nowrap;
}
.rk-table td {
  padding: 10px 12px; border-bottom: 1px solid var(--rk-paper3);
  font-size: .84rem; vertical-align: middle;
}
.rk-table-hover tbody tr:hover { background: rgba(212,168,67,.05); }
.rk-table-preview td, .rk-table-preview th { padding: 6px 10px; }

/* ============================================================
   STATUS BADGES
   ============================================================ */
.rk-status {
  display: inline-flex; align-items: center;
  font-size: .7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .05em; padding: 3px 9px; border-radius: 20px; white-space: nowrap;
}
.status-draft      { background: rgba(138,126,120,.15); color: var(--rk-text3); }
.status-pending    { background: rgba(184,50,40,.12);   color: var(--rk-red); border: 1px solid rgba(184,50,40,.2); }
.status-packing    { background: rgba(26,64,112,.12);   color: var(--rk-blue); border: 1px solid rgba(26,64,112,.2); }
.status-packed     { background: rgba(212,168,67,.15);  color: #8B6A1A; border: 1px solid rgba(212,168,67,.3); }
.status-goods      { background: rgba(91,63,160,.12);   color: var(--rk-purple); border: 1px solid rgba(91,63,160,.2); }
.status-challan    { background: rgba(91,63,160,.2);    color: #3D2080; border: 1px solid rgba(91,63,160,.35); }
.status-dispatched { background: rgba(26,94,58,.12);    color: var(--rk-green); border: 1px solid rgba(26,94,58,.2); }

/* ============================================================
   MODALS
   ============================================================ */
.rk-modal { background: #fff; border: 1px solid var(--rk-border); border-radius: 14px; overflow: hidden; }
.rk-modal-header { background: var(--rk-ink); color: #fff; padding: 14px 20px; border-bottom: none; }
.rk-modal-header .modal-title { font-size: .95rem; font-weight: 600; }
.rk-modal-footer { background: var(--rk-paper2); border-top: 1px solid var(--rk-border); padding: 12px 16px; }
.modal-dialog { max-height: 92vh; }

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
.rk-toast {
  background: var(--rk-ink); color: #fff;
  border-radius: 10px; padding: 12px 16px;
  font-size: .83rem; box-shadow: var(--rk-shadow-l);
  display: flex; align-items: center; gap: 10px;
  min-width: 240px; max-width: 360px;
  animation: slideUp .25s ease;
}
.rk-toast.success { border-left: 3px solid var(--rk-green-l); }
.rk-toast.danger  { border-left: 3px solid var(--rk-red); }
.rk-toast.info    { border-left: 3px solid var(--rk-blue); }

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

/* ============================================================
   AUTH SCREEN
   ============================================================ */
.rk-auth-bg {
  background: linear-gradient(135deg, var(--rk-ink) 0%, var(--rk-ink2) 50%, #3A2820 100%);
  min-height: 100vh;
}
.rk-login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.rk-login-card {
  background: #fff; border-radius: 18px;
  padding: 36px 32px; width: 100%; max-width: 400px;
  box-shadow: 0 8px 48px rgba(0,0,0,.4);
}
.rk-login-header { text-align: center; margin-bottom: 28px; }
.rk-login-logo   { font-size: 3rem; margin-bottom: 8px; }
.rk-login-title  { font-size: 1.4rem; font-weight: 700; color: var(--rk-ink); margin: 0; }
.rk-login-sub    { color: var(--rk-text3); font-size: .82rem; margin: 4px 0 0; }
.rk-login-form .form-label { color: var(--rk-text2); }
.alert-sm { font-size: .82rem; padding: 8px 12px; }
.rk-demo-creds { border-top: 1px dashed var(--rk-border); padding-top: 16px; }
.rk-demo-creds .badge { font-size: .68rem; cursor: pointer; }
.rk-demo-creds .badge:hover { opacity: .85; }

/* ============================================================
   ORDER ENTRY
   ============================================================ */
.rk-tab-bar { display: flex; gap: 4px; border-bottom: 2px solid var(--rk-border); }
.rk-tab {
  background: transparent; border: none; border-bottom: 2px solid transparent;
  padding: 8px 16px; font-weight: 600; font-size: .82rem;
  color: var(--rk-text3); cursor: pointer; margin-bottom: -2px;
  transition: all var(--rk-transition); border-radius: 6px 6px 0 0;
}
.rk-tab.active  { color: var(--rk-gold); border-bottom-color: var(--rk-gold); }
.rk-tab:hover:not(.active) { color: var(--rk-text); background: var(--rk-paper2); }

.quick-textarea { font-family: 'DM Mono', monospace; font-size: .85rem; line-height: 1.7; resize: vertical; min-height: 200px; }
.rk-preview-label { font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--rk-text3); margin-bottom: 6px; }

/* Autocomplete */
.rk-autocomplete-list {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 200;
  background: #fff; border: 1px solid var(--rk-border); border-radius: 0 0 8px 8px;
  box-shadow: var(--rk-shadow-l); max-height: 240px; overflow-y: auto;
}
.rk-ac-item { padding: 9px 12px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: .84rem; }
.rk-ac-item:hover { background: var(--rk-paper2); }
.rk-ac-city { font-size: .72rem; color: var(--rk-text3); }

/* Party chip */
.rk-party-chip {
  background: rgba(212,168,67,.12); border: 1px solid rgba(212,168,67,.3);
  border-radius: 8px; padding: 5px 10px;
  display: flex; align-items: center; gap: 6px;
}
.rk-chip-name { font-weight: 600; font-size: .82rem; }
.rk-chip-city { color: var(--rk-text3); font-size: .75rem; }

/* ============================================================
   PACKING SLIP
   ============================================================ */
.packing-slip-wrapper {
  max-width: 800px; margin: 0 auto;
  background: #fff; border: 1px solid var(--rk-border);
  border-radius: var(--rk-radius); padding: 24px;
  box-shadow: var(--rk-shadow);
}
.ps-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 2px solid var(--rk-border); }
.ps-company-name { font-size: 1.1rem; font-weight: 700; color: var(--rk-ink); }
.ps-company-sub  { font-size: .78rem; color: var(--rk-text3); }
.ps-doc-title    { font-size: 1rem; font-weight: 700; text-align: right; text-transform: uppercase; letter-spacing: .08em; color: var(--rk-purple); }
.ps-doc-meta     { font-size: .78rem; text-align: right; color: var(--rk-text2); }
.ps-doc-meta span { display: block; }

.ps-party-row { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 14px; padding: 10px 14px; background: var(--rk-paper2); border-radius: 8px; font-size: .84rem; }
.ps-field-label { color: var(--rk-text3); margin-right: 4px; }
.ps-field-val   { font-weight: 600; }

.ps-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.ps-table th { background: var(--rk-ink); color: #fff; font-size: .72rem; text-transform: uppercase; padding: 7px 10px; letter-spacing: .04em; }
.ps-table td { padding: 9px 10px; border-bottom: 1px solid var(--rk-paper3); font-size: .84rem; }
.ps-card-group-row td { background: var(--rk-paper2); font-size: .78rem; padding: 5px 10px; color: var(--rk-text2); }
.ps-row-packed td { background: rgba(26,94,58,.06) !important; text-decoration: line-through; color: var(--rk-text3); }
.ps-summary { display: flex; gap: 20px; justify-content: flex-end; font-size: .82rem; margin: 6px 0 16px; color: var(--rk-text2); }

.ps-signatures { display: flex; gap: 30px; margin-top: 32px; justify-content: space-between; }
.ps-sig-block  { flex: 1; text-align: center; }
.ps-sig-line   { border-top: 1.5px solid var(--rk-border); margin: 0 20px 6px; }
.ps-sig-label  { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--rk-text3); }

/* ============================================================
   GOODS ENTRY
   ============================================================ */
.rk-goods-banner {
  background: rgba(91,63,160,.08); border: 1px solid rgba(91,63,160,.2);
  border-radius: 10px; padding: 12px 16px; font-size: .84rem;
}
.rk-goods-label { color: var(--rk-text3); margin-right: 4px; font-size: .78rem; }
.rk-goods-card-row td { background: var(--rk-paper2); padding: 5px 12px; color: var(--rk-text2); font-size: .78rem; }
.rk-goods-item-row:hover { background: rgba(91,63,160,.04); }
.rk-diff-cell { min-width: 60px; }
.goods-qty-input:focus { border-color: var(--rk-purple) !important; box-shadow: 0 0 0 3px rgba(91,63,160,.15) !important; }

/* ============================================================
   CHALLAN
   ============================================================ */
.challan-print-wrapper {
  max-width: 860px; margin: 0 auto 20px;
  background: #fff; border: 1px solid var(--rk-border);
  border-radius: var(--rk-radius); padding: 28px 32px;
  box-shadow: var(--rk-shadow); position: relative; overflow: hidden;
}

.challan-watermark {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%) rotate(-35deg);
  font-size: 5rem; font-weight: 900; color: rgba(212,168,67,.06);
  white-space: nowrap; pointer-events: none; z-index: 0;
  text-transform: uppercase; letter-spacing: .2em;
  font-family: 'DM Mono', monospace;
}

.challan-letterhead { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 2px solid var(--rk-border); }
.challan-company-name { font-size: 1.2rem; font-weight: 700; color: var(--rk-ink); }
.challan-company-sub  { font-weight: 600; color: var(--rk-gold); font-size: .82rem; margin-top: 2px; }
.challan-company-addr { font-size: .78rem; color: var(--rk-text2); margin-top: 4px; }
.challan-company-meta { font-size: .72rem; color: var(--rk-text3); margin-top: 2px; }
.challan-doc-type     { font-size: 1rem; font-weight: 700; text-align: right; text-transform: uppercase; letter-spacing: .1em; color: var(--rk-ink); border-bottom: 2px solid var(--rk-gold); padding-bottom: 4px; margin-bottom: 8px; }
.challan-meta-table   { font-size: .8rem; }
.challan-meta-table td { padding: 2px 4px; }
.challan-meta-table td:first-child { color: var(--rk-text3); padding-right: 12px; }

.challan-consignee-section { display: flex; gap: 20px; margin-bottom: 20px; }
.challan-consignee-box { flex: 1; padding: 12px; background: var(--rk-paper2); border-radius: 8px; border-left: 3px solid var(--rk-gold); }
.challan-consignee-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--rk-text3); margin-bottom: 4px; }
.challan-consignee-name  { font-size: 1.05rem; font-weight: 700; }
.challan-consignee-city  { color: var(--rk-text2); font-size: .84rem; }
.challan-consignee-meta  { font-size: .78rem; color: var(--rk-text3); margin-top: 4px; }

.challan-transport-box { width: 180px; }
.challan-transport-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--rk-text3); }
.challan-transport-val   { font-weight: 600; font-size: .88rem; margin-top: 2px; }

.challan-items-table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
.challan-items-table th { background: var(--rk-ink); color: #fff; padding: 8px 12px; font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; }
.challan-items-table td { padding: 9px 12px; border-bottom: 1px solid var(--rk-paper3); font-size: .84rem; }
.challan-total-row td   { font-weight: 700; border-top: 2px solid var(--rk-border) !important; background: var(--rk-paper2); }

.challan-notes-row { display: flex; align-items: center; margin: 8px 0; font-size: .82rem; }
.challan-notes-print { font-size: .82rem; padding: 4px 0; color: var(--rk-text2); min-height: 1.5em; }
.print-only { display: none !important; }

.challan-signatures { display: flex; gap: 30px; margin-top: 40px; justify-content: space-between; }
.challan-sig-block  { flex: 1; text-align: center; }
.challan-sig-line   { border-top: 1px solid var(--rk-border); margin: 0 15px 6px; }
.challan-sig-label  { font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; color: var(--rk-text3); }

/* ============================================================
   STOCK & RATES
   ============================================================ */
/* PIN Screen */
.rk-pin-screen { display: flex; align-items: center; justify-content: center; min-height: calc(100vh - var(--rk-navbar-h)); }
.rk-pin-card   { background: #fff; border-radius: 18px; padding: 40px 36px; text-align: center; max-width: 360px; width: 90%; box-shadow: var(--rk-shadow-l); border: 1px solid var(--rk-border); }
.rk-pin-icon   { font-size: 3rem; margin-bottom: 8px; }
.rk-pin-title  { font-size: 1.3rem; font-weight: 700; color: var(--rk-ink); }
.rk-pin-sub    { color: var(--rk-text3); font-size: .82rem; margin: 4px 0; }
.rk-pin-digit  {
  width: 52px !important; height: 58px; text-align: center;
  font-size: 1.4rem; font-family: 'DM Mono', monospace;
  border: 2px solid var(--rk-border); border-radius: 10px;
  background: var(--rk-paper); transition: all var(--rk-transition);
}
.rk-pin-digit:focus { border-color: var(--rk-gold); box-shadow: 0 0 0 3px rgba(212,168,67,.2); outline: none; background: #fff; }

/* Product Grid */
.rk-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
}
.rk-product-tile {
  background: #fff; border: 1px solid var(--rk-border); border-radius: var(--rk-radius);
  padding: 14px 12px; cursor: pointer;
  transition: all var(--rk-transition); box-shadow: var(--rk-shadow);
}
.rk-product-tile:hover { transform: translateY(-3px); box-shadow: var(--rk-shadow-l); border-color: var(--rk-gold); }
.rk-product-emoji    { font-size: 2rem; margin-bottom: 6px; }
.rk-product-card-num { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--rk-gold); }
.rk-product-name     { font-weight: 600; font-size: .88rem; color: var(--rk-ink); margin: 3px 0 1px; }
.rk-product-cat      { font-size: .7rem; color: var(--rk-text3); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.rk-product-rates    { display: flex; gap: 10px; font-size: .75rem; color: var(--rk-text2); }
.rk-product-margin   { font-size: .75rem; color: var(--rk-text2); margin-top: 2px; }
.rk-badge-low { background: rgba(184,50,40,.1); color: var(--rk-red); border: 1px solid rgba(184,50,40,.2); font-size: .62rem; font-weight: 700; padding: 2px 7px; border-radius: 10px; }
.rk-badge-ok  { background: rgba(26,94,58,.1); color: var(--rk-green); border: 1px solid rgba(26,94,58,.2); font-size: .62rem; font-weight: 700; padding: 2px 7px; border-radius: 10px; }

/* Low stock alert */
.rk-low-stock-alert { background: rgba(184,50,40,.08); border: 1px solid rgba(184,50,40,.25); color: var(--rk-red); border-radius: 10px; }

/* Movement List */
.rk-movement-list { display: flex; flex-direction: column; gap: 8px; max-height: 500px; overflow-y: auto; }
.rk-movement-item { padding: 8px 10px; background: var(--rk-paper2); border-radius: 8px; border-left: 3px solid var(--rk-border); font-size: .8rem; }
.rk-badge-type { font-size: .62rem; padding: 2px 6px; background: rgba(212,168,67,.15); color: #8B6A1A; }

/* Bulk row */
.rk-bulk-row { display: flex; align-items: center; padding: 7px 0; border-bottom: 1px solid var(--rk-paper3); gap: 8px; }

/* ============================================================
   MISC
   ============================================================ */
.rk-link { color: var(--rk-gold); }
.rk-link:hover { color: var(--rk-gold-l); }

.rk-info-row { display: flex; flex-direction: column; font-size: .84rem; }
.rk-info-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; color: var(--rk-text3); margin-bottom: 1px; }

.rk-empty-state { text-align: center; padding: 40px 20px; color: var(--rk-text3); }
.rk-empty-icon  { font-size: 2.5rem; margin-bottom: 8px; }
.rk-empty-msg   { font-size: .88rem; }

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  @page { margin: 12mm 14mm; size: A4; }

  /* Default: hide everything for challan/other print pages */
  .rk-navbar, nav, .adm-sidebar, .no-print, #toastContainer,
  .rk-page-header, button, .btn, select, .form-select,
  .alert { display: none !important; }

  .adm-shell { display: block !important; min-height: 0 !important; }
  .adm-content { padding: 0 !important; margin: 0 !important; width: 100% !important; }
  .adm-body { background: #fff !important; }

  .rk-main { padding: 0 !important; }
  body { background: #fff; font-size: 11pt; color: #000; }
  .rk-mono { font-family: 'Courier New', monospace; }

  /* Challan print */
  .challan-print-wrapper {
    box-shadow: none !important;
    border: none !important;
    border-radius: 0 !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  .challan-items-table th { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .challan-watermark { color: rgba(0,0,0,.06) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .print-only { display: block !important; }
  .no-print   { display: none !important; }
  .container-fluid { padding: 0 !important; }
  a { color: #000 !important; text-decoration: none !important; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .rk-card { padding: 12px; }
  .rk-stats-bar { grid-template-columns: repeat(2, 1fr); }
  .packing-slip-wrapper { padding: 14px; }
  .challan-print-wrapper { padding: 14px; }
  .challan-consignee-section { flex-direction: column; }
  .challan-transport-box { width: 100%; }
  .ps-signatures, .challan-signatures { gap: 15px; }
  .rk-login-card { padding: 24px 20px; }
  .rk-product-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}

@media (max-width: 480px) {
  .rk-stats-bar { grid-template-columns: 1fr 1fr; }
  .ps-party-row { flex-direction: column; gap: 8px; }
  .rk-tab { padding: 6px 10px; font-size: .76rem; }
}