/* ============================================================
   BRULEE PROJECT — Design System v3
   Mobile-first | Flat Minimalist | Red-Black-White
   ============================================================ */

:root {
  --white:      #FFFFFF;
  --off-white:  #F8F8F6;
  --black:      #111111;
  --gray-50:    #FAFAFA;
  --gray-100:   #F2F2F0;
  --gray-200:   #E4E4E2;
  --gray-400:   #9E9E9E;
  --gray-600:   #555555;
  --red:        #8B0000;
  --red-light:  #FFF1F1;
  --red-hover:  #6B0000;

  --border:       1px solid #E2E2DF;
  --border-mid:   1.5px solid #CACAC6;
  --border-dark:  2px solid #111111;

  --radius-xs: 3px;
  --radius:    6px;
  --radius-lg: 10px;

  --shadow:    0 1px 4px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);

  --sidebar-w:    220px;
  --bottom-nav-h: 62px;

  --ease: 0.18s ease;
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--off-white);
  color: var(--black);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

h1 { font-size: 2rem;     font-weight: 900; letter-spacing: -0.035em; line-height: 1.1; }
h2 { font-size: 1.5rem;   font-weight: 800; letter-spacing: -0.025em; line-height: 1.2; }
h3 { font-size: 1.125rem; font-weight: 700; letter-spacing: -0.01em; }
h4 { font-size: 0.9375rem; font-weight: 600; }

a { color: inherit; text-decoration: none; }

/* ============================================================
   APP SHELL
   ============================================================ */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* ============================================================
   SIDEBAR (desktop only)
   ============================================================ */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--white);
  border-right: var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
  padding: 1.5rem 0.875rem;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: var(--border);
}

.sidebar-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.sidebar-brand-text {
  font-size: 0.875rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.sidebar-brand-text small {
  display: block;
  font-weight: 500;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--gray-400);
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5625rem 0.75rem;
  border-radius: var(--radius-xs);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: background var(--ease), color var(--ease);
}

.sidebar-nav a:hover {
  background: var(--gray-100);
  color: var(--black);
}

.sidebar-nav a.active {
  background: var(--black);
  color: var(--white);
  font-weight: 700;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: var(--border);
}

.sidebar-user {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-bottom: 0.625rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
  flex: 1;
  min-width: 0;
  padding: 1.125rem 1rem;
  padding-bottom: calc(var(--bottom-nav-h) + 1rem);
}

/* ============================================================
   MOBILE TOPBAR
   ============================================================ */
.mobile-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: var(--border);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-topbar-brand img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.mobile-topbar-title {
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.mobile-topbar-title em {
  font-style: normal;
  color: var(--red);
}

.mobile-logout-btn {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-600);
  background: none;
  border: var(--border-mid);
  border-radius: var(--radius-xs);
  padding: 0.3125rem 0.625rem;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.mobile-logout-btn:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

/* ============================================================
   BOTTOM NAV
   ============================================================ */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--bottom-nav-h);
  background: var(--white);
  border-top: var(--border-mid);
  display: flex;
  z-index: 200;
}

.bottom-nav a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--gray-400);
  font-size: 0.5625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--ease);
  padding: 0.375rem 0.25rem;
  border-top: 2px solid transparent;
  text-decoration: none;
}

.bottom-nav a:hover { color: var(--black); }

.bottom-nav a.active {
  color: var(--red);
  border-top-color: var(--red);
  font-weight: 700;
}

.bn-icon {
  width: 20px;
  height: 20px;
  display: block;
  flex-shrink: 0;
}

/* ============================================================
   DESKTOP OVERRIDES (≥1024px)
   ============================================================ */
@media (min-width: 1024px) {
  .main-content {
    margin-left: var(--sidebar-w);
    padding: 2rem 2.5rem;
  }
  .mobile-topbar { display: none; }
  .bottom-nav    { display: none; }
}

/* Tablet (640–1023px) */
@media (min-width: 640px) and (max-width: 1023px) {
  .sidebar { display: none; }
  .main-content {
    padding: 1.5rem;
    padding-bottom: calc(var(--bottom-nav-h) + 1.5rem);
  }
}

/* Mobile (<640px) */
@media (max-width: 639px) {
  .sidebar { display: none; }
  h2 { font-size: 1.25rem; }
}

/* ============================================================
   TOP BAR (page header)
   ============================================================ */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: var(--border);
  gap: 0.75rem;
  flex-wrap: wrap;
}

.top-bar h2 { line-height: 1; }

.page-meta {
  font-size: 0.8125rem;
  color: var(--gray-400);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.125rem;
}

.card-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 0.625rem;
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.danger-card {
  border-color: var(--red) !important;
  background: var(--red-light);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.875rem;
}

.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--gray-600);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: var(--border-dark);
  border-radius: var(--radius-xs);
  background: var(--white);
  color: var(--black);
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform 0.1s;
  white-space: nowrap;
  line-height: 1;
}

.btn:hover {
  background: var(--black);
  color: var(--white);
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.btn-primary:hover {
  background: var(--red);
  border-color: var(--red);
}

.btn-danger {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

.btn-danger:hover {
  background: var(--red-hover);
  border-color: var(--red-hover);
}

.btn-sm {
  padding: 0.3125rem 0.6875rem;
  font-size: 0.75rem;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 1rem; }

.form-group label,
label {
  display: block;
  margin-bottom: 0.3125rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--gray-600);
}

.form-control {
  width: 100%;
  padding: 0.5625rem 0.75rem;
  font-family: inherit;
  font-size: 0.9375rem;
  border: var(--border-mid);
  border-radius: var(--radius-xs);
  background: var(--white);
  color: var(--black);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.form-control:focus {
  outline: none;
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(17,17,17,0.07);
}

.password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-wrapper .form-control { padding-right: 2.5rem; }

.toggle-password {
  position: absolute;
  right: 0.625rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  color: var(--gray-400);
  transition: color var(--ease);
  padding: 0.25rem;
  line-height: 1;
}

.toggle-password:hover { color: var(--black); }

/* ============================================================
   TABLES
   ============================================================ */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  padding: 0.5625rem 0.875rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--gray-600);
  background: var(--gray-100);
  border-bottom: var(--border-mid);
  text-align: left;
  white-space: nowrap;
}

td {
  padding: 0.6875rem 0.875rem;
  border-bottom: var(--border);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--gray-50); }

/* --- Mobile Card View --- */
@media (max-width: 767px) {
  .table-card-mobile {
    border: none;
    background: transparent;
  }

  .table-card-mobile thead { display: none; }

  .table-card-mobile tbody tr {
    display: block;
    background: var(--white);
    border: var(--border);
    border-radius: var(--radius);
    padding: 0.875rem 1rem;
    margin-bottom: 0.625rem;
  }

  .table-card-mobile tbody tr:hover td { background: transparent; }

  .table-card-mobile td {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.3125rem 0;
    border-bottom: none;
    font-size: 0.875rem;
  }

  .table-card-mobile td::before {
    content: attr(data-label);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    flex-shrink: 0;
    min-width: 5rem;
  }
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-block;
  padding: 0.1875rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-xs);
}

.badge-success { background: #ECFDF5; color: #065F46; }
.badge-danger  { background: var(--red-light); color: var(--red); }
.badge-neutral { background: var(--gray-100); color: var(--gray-600); }
.badge-primary { background: var(--black); color: var(--white); }

/* ============================================================
   MODALS (Sunday Reminder + Custom Alert from ui.js)
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.2s, visibility 0.2s;
  padding: 1rem;
}

.modal-overlay.active {
  visibility: visible;
  opacity: 1;
}

.modal-content {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-md);
  animation: modal-pop 0.22s ease;
}

@keyframes modal-pop {
  from { transform: translateY(10px) scale(0.97); opacity: 0; }
  to   { transform: translateY(0) scale(1);       opacity: 1; }
}

/* ============================================================
   TRANSACTION FORM — ITEM ROWS
   ============================================================ */
.items-area {
  border: var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--gray-50);
  margin-bottom: 1.125rem;
}

.items-area-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.875rem;
}

.item-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr 1.5fr auto;
  gap: 0.5rem;
  align-items: end;
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-xs);
  padding: 0.75rem;
  margin-bottom: 0.5rem;
}

@media (max-width: 767px) {
  .item-row {
    grid-template-columns: 1fr 1fr;
  }
  .item-row .item-product { grid-column: 1 / -1; }
  .item-row .item-price   { grid-column: 1 / -1; }
  .item-row .item-total   { grid-column: 1 / -1; }
  .item-row > button      { grid-column: 1 / -1; }
}

/* ============================================================
   CHART GRID
   ============================================================ */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .charts-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  background: var(--white);
}

.login-brand-panel {
  display: none;
  width: 42%;
  background: var(--black);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  text-align: center;
}

@media (min-width: 768px) {
  .login-brand-panel { display: flex; }
}

.login-brand-panel img {
  width: 90px;
  margin-bottom: 2rem;
}

.login-brand-panel h1 {
  color: var(--white);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.login-brand-panel p {
  color: rgba(255,255,255,0.4);
  font-size: 0.875rem;
  line-height: 1.7;
}

.login-form-panel {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1.5rem;
  background: var(--off-white);
}

.login-box { width: 100%; max-width: 380px; }

.login-logo-mobile {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .login-logo-mobile { display: none; }
}

.login-logo-mobile img { width: 80px; }

.login-heading { margin-bottom: 0.375rem; }

.login-sub {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin-bottom: 1.75rem;
}

.login-error-msg {
  padding: 0.625rem 0.875rem;
  background: var(--red-light);
  border: 1px solid rgba(139,0,0,0.25);
  border-radius: var(--radius-xs);
  color: var(--red);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center     { text-align: center; }
.text-right      { text-align: right; }
.text-red        { color: var(--red); }
.text-muted      { color: var(--gray-400); font-size: 0.875rem; }
.font-bold       { font-weight: 700; }
.w-full          { width: 100%; }
.flex            { display: flex; }
.flex-col        { flex-direction: column; }
.flex-wrap       { flex-wrap: wrap; }
.items-center    { align-items: center; }
.align-center    { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.mt-2  { margin-top: 0.5rem; }
.mt-4  { margin-top: 1.25rem; }
.mb-2  { margin-bottom: 0.5rem; }
.mb-4  { margin-bottom: 1.25rem; }

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 639px) {
  .grid-2col { grid-template-columns: 1fr; }
}

/* Legacy compat */
.flex.gap-4 { gap: 1rem; }
/* ============================================================
   MULTI-SIZE TRANSACTIONS FORM
   ============================================================ */
.item-row {
    background: #fff;
    border: 1px solid var(--border);
    padding: 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.item-info-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 1rem;
    align-items: end;
}
.item-size-section {
    background: #fafafa;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 1rem;
}
.item-size-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}
.item-size-header h4 {
    margin: 0;
    font-size: 0.875rem;
    color: var(--black);
}
.item-size-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 0.5rem;
}
.size-box {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    background: #fff;
    border: 1px solid var(--gray-300);
    padding: 0.5rem;
    border-radius: 0.25rem;
    text-align: center;
}
.size-box label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 0;
}
.size-box input {
    text-align: center;
    padding: 0.25rem;
    font-size: 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.25rem;
}
.item-footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.item-total-block {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.item-total-block label {
    font-weight: 700;
    margin: 0;
}
.item-total-block input {
    width: 150px;
    font-weight: 700;
    background: #f9f9f7;
}
@media (max-width: 639px) {
    .item-info-row {
        grid-template-columns: 1fr;
    }
    .item-size-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (max-width: 639px) {
    .item-size-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    .item-size-header button {
        width: 100%;
    }
    .item-footer-row {
        flex-direction: column-reverse;
        align-items: stretch;
        gap: 1rem;
    }
    .item-footer-row button {
        width: 100%;
    }
    .item-total-block {
        justify-content: space-between;
        width: 100%;
    }
    .item-total-block input {
        width: 60%;
        text-align: right;
    }
}
/* FIX SPINNERS & MOBILE PADDING */
.size-qty-input::-webkit-outer-spin-button,
.size-qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.size-qty-input {
    -moz-appearance: textfield;
}
@media (max-width: 639px) {
    .item-row {
        padding: 0.75rem;
    }
    .item-size-section {
        padding: 0.5rem;
    }
    .item-size-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .size-box {
        padding: 0.35rem;
    }
}
@media (max-width: 639px) {
    .item-size-grid {
        grid-template-columns: 1fr !important;
    }
    .size-box {
        flex-direction: row !important;
        justify-content: space-between;
        align-items: center;
        padding: 0.75rem !important;
    }
    .size-box label {
        font-size: 0.875rem !important;
    }
    .size-box input {
        width: 100px;
    }
}