/* =====================================================================
   MOBILE MARKET — Core Stylesheet
   Brand colors extracted from the uploaded logo (deep blue, green accent,
   orange accent), rendered as CSS variables so the admin can re-theme
   from Settings without touching markup.
   ===================================================================== */

:root {
  --mm-primary: #1D5FA3;       /* deep blue from phone icon */
  --mm-primary-dark: #164A80;
  --mm-primary-light: #4E8FCB;
  --mm-secondary: #3CB043;     /* green from "MARKET" wordmark */
  --mm-accent: #F5A623;        /* orange speed-lines accent */
  --mm-bg: #F7F9FC;
  --mm-surface: #FFFFFF;
  --mm-text: #1A2433;
  --mm-text-muted: #6B7686;
  --mm-border: #E4E9F0;
  --mm-success: #2FAE60;
  --mm-warning: #E6A400;
  --mm-danger: #E0473F;
  --mm-radius: 12px;
  --mm-radius-sm: 8px;
  --mm-shadow: 0 1px 3px rgba(20, 30, 50, 0.06), 0 1px 2px rgba(20, 30, 50, 0.08);
  --mm-shadow-md: 0 4px 16px rgba(20, 30, 50, 0.08);
  --mm-sidebar-width: 250px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--mm-bg);
  color: var(--mm-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--mm-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0 0 6px; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 8px; }

.mm-app { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.mm-sidebar {
  width: var(--mm-sidebar-width);
  background: linear-gradient(180deg, var(--mm-primary-dark), var(--mm-primary));
  color: #fff;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  transition: transform .25s ease;
  z-index: 40;
}
.mm-sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.mm-sidebar-brand img { width: 36px; height: 36px; object-fit: contain; border-radius: 8px; background: #fff; padding: 3px; }
.mm-sidebar-brand span { font-weight: 800; font-size: 1.05rem; }
.mm-nav { flex: 1; overflow-y: auto; padding: 10px 10px; }
.mm-nav-section { margin-top: 14px; padding: 0 10px 4px; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: rgba(255,255,255,.55); font-weight: 700; }
.mm-nav a {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,.88);
  padding: 9px 12px; margin: 2px 0;
  border-radius: var(--mm-radius-sm);
  font-size: .88rem; font-weight: 500;
  text-decoration: none;
}
.mm-nav a:hover { background: rgba(255,255,255,.10); text-decoration: none; }
.mm-nav a.active { background: #fff; color: var(--mm-primary-dark); font-weight: 700; }
.mm-nav .mm-icon { width: 18px; flex-shrink: 0; text-align: center; font-size: .95rem; }
.mm-sidebar-footer { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.12); font-size: .8rem; color: rgba(255,255,255,.7); }

/* ---------- Main content ---------- */
.mm-main { margin-left: var(--mm-sidebar-width); flex: 1; min-width: 0; display: flex; flex-direction: column; min-height: 100vh; }
.mm-topbar {
  background: var(--mm-surface);
  border-bottom: 1px solid var(--mm-border);
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 20;
}
.mm-topbar .mm-menu-btn { display: none; background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--mm-text); }
.mm-user-chip { display: flex; align-items: center; gap: 10px; }
.mm-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--mm-secondary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .85rem;
}
.mm-content { padding: 24px; flex: 1; }

/* ---------- Cards ---------- */
.mm-card { background: var(--mm-surface); border: 1px solid var(--mm-border); border-radius: var(--mm-radius); box-shadow: var(--mm-shadow); padding: 18px 20px; }
.mm-card-flush { padding: 0; overflow: hidden; }
.mm-grid { display: grid; gap: 16px; }
.mm-grid-4 { grid-template-columns: repeat(4, 1fr); }
.mm-grid-3 { grid-template-columns: repeat(3, 1fr); }
.mm-grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1100px) { .mm-grid-4 { grid-template-columns: repeat(2, 1fr); } .mm-grid-3 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px) { .mm-grid-4, .mm-grid-3, .mm-grid-2 { grid-template-columns: 1fr; } }

.mm-stat-card { display: flex; flex-direction: column; gap: 6px; }
.mm-stat-label { font-size: .78rem; color: var(--mm-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.mm-stat-value { font-size: 1.55rem; font-weight: 800; color: var(--mm-text); }
.mm-stat-icon { width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 6px; font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.mm-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid transparent; border-radius: var(--mm-radius-sm);
  padding: 9px 16px; font-size: .87rem; font-weight: 600; cursor: pointer;
  transition: filter .15s ease, transform .05s ease;
  background: var(--mm-primary); color: #fff;
}
.mm-btn:hover { filter: brightness(1.08); text-decoration: none; }
.mm-btn:active { transform: translateY(1px); }
.mm-btn:disabled { opacity: .55; cursor: not-allowed; filter: none; }
.mm-btn-secondary { background: var(--mm-secondary); }
.mm-btn-accent { background: var(--mm-accent); color: #3a2600; }
.mm-btn-outline { background: #fff; color: var(--mm-primary); border-color: var(--mm-border); }
.mm-btn-danger { background: var(--mm-danger); }
.mm-btn-ghost { background: transparent; color: var(--mm-text-muted); }
.mm-btn-sm { padding: 6px 11px; font-size: .8rem; }
.mm-btn-lg { padding: 13px 22px; font-size: 1rem; }
.mm-btn-block { width: 100%; }

/* ---------- Forms ---------- */
.mm-label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: 5px; color: var(--mm-text); }
.mm-input, .mm-select, textarea.mm-input {
  width: 100%; padding: 9px 12px; border: 1px solid var(--mm-border); border-radius: var(--mm-radius-sm);
  font-size: .88rem; background: #fff; color: var(--mm-text); font-family: inherit;
}
.mm-input:focus, .mm-select:focus, textarea.mm-input:focus { outline: none; border-color: var(--mm-primary); box-shadow: 0 0 0 3px rgba(29,95,163,.12); }
.mm-field { margin-bottom: 14px; }
.mm-hint { font-size: .76rem; color: var(--mm-text-muted); margin-top: 4px; }
.mm-error-text { font-size: .78rem; color: var(--mm-danger); margin-top: 4px; font-weight: 600; }

/* ---------- Badges ---------- */
.mm-badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: .72rem; font-weight: 700; }
.mm-badge-success { background: #E6F7EC; color: var(--mm-success); }
.mm-badge-warning { background: #FFF6E0; color: #9A6E00; }
.mm-badge-danger { background: #FDECEB; color: var(--mm-danger); }
.mm-badge-info { background: #E9F1FB; color: var(--mm-primary); }
.mm-badge-muted { background: #EEF1F5; color: var(--mm-text-muted); }

/* ---------- Table ---------- */
.mm-table-wrap { overflow-x: auto; }
table.mm-table { width: 100%; border-collapse: collapse; font-size: .87rem; }
table.mm-table th { text-align: left; font-size: .74rem; text-transform: uppercase; letter-spacing: .04em; color: var(--mm-text-muted); padding: 10px 14px; border-bottom: 1px solid var(--mm-border); white-space: nowrap; }
table.mm-table td { padding: 12px 14px; border-bottom: 1px solid var(--mm-border); vertical-align: middle; }
table.mm-table tr:hover td { background: #FAFBFD; }
table.mm-table tr:last-child td { border-bottom: none; }

/* ---------- Alerts ---------- */
.mm-alert { padding: 12px 16px; border-radius: var(--mm-radius-sm); font-size: .87rem; margin-bottom: 16px; border: 1px solid transparent; }
.mm-alert-success { background: #E6F7EC; color: #1B7A3B; border-color: #BEE9CC; }
.mm-alert-danger { background: #FDECEB; color: #B7302A; border-color: #F6C7C3; }
.mm-alert-warning { background: #FFF6E0; color: #8A6300; border-color: #F5E1A3; }
.mm-alert-info { background: #E9F1FB; color: var(--mm-primary-dark); border-color: #C9DDF2; }

/* ---------- Empty state ---------- */
.mm-empty { text-align: center; padding: 48px 20px; color: var(--mm-text-muted); }
.mm-empty h3 { color: var(--mm-text); margin-bottom: 4px; }

/* ---------- Login page ---------- */
.mm-auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--mm-primary-dark), var(--mm-primary) 60%, var(--mm-secondary)); padding: 20px; }
.mm-auth-card { background: #fff; border-radius: 16px; padding: 40px 36px; width: 100%; max-width: 380px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.mm-auth-logo { display: flex; flex-direction: column; align-items: center; margin-bottom: 22px; }
.mm-auth-logo img { width: 64px; height: 64px; object-fit: contain; margin-bottom: 10px; }
.mm-auth-logo h1 { font-size: 1.2rem; margin-bottom: 2px; }
.mm-auth-logo p { color: var(--mm-text-muted); font-size: .82rem; margin: 0; }

/* ---------- POS layout ---------- */
.mm-pos-grid { display: grid; grid-template-columns: 1fr 380px; gap: 18px; align-items: flex-start; }
@media (max-width: 980px) { .mm-pos-grid { grid-template-columns: 1fr; } }
.mm-product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.mm-product-tile { background: #fff; border: 1px solid var(--mm-border); border-radius: var(--mm-radius); padding: 12px; cursor: pointer; transition: box-shadow .15s, border-color .15s; }
.mm-product-tile:hover { border-color: var(--mm-primary); box-shadow: var(--mm-shadow-md); }
.mm-product-tile .name { font-weight: 700; font-size: .85rem; margin-bottom: 2px; }
.mm-product-tile .meta { font-size: .74rem; color: var(--mm-text-muted); margin-bottom: 6px; }
.mm-product-tile .price { font-weight: 800; color: var(--mm-primary); font-size: .88rem; }
.mm-cart-item { display: flex; justify-content: space-between; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid var(--mm-border); gap: 8px; }
.mm-cart-item:last-child { border-bottom: none; }

/* ---------- Receipt ---------- */
.mm-receipt { max-width: 340px; margin: 0 auto; background: #fff; padding: 20px; font-size: .82rem; border: 1px dashed var(--mm-border); }
.mm-receipt .center { text-align: center; }
.mm-receipt hr { border: none; border-top: 1px dashed #999; margin: 10px 0; }
.mm-receipt table { width: 100%; border-collapse: collapse; }
.mm-receipt .logo { width: 52px; height: 52px; object-fit: contain; margin-bottom: 6px; }

@media print {
  body * { visibility: hidden; }
  .mm-receipt, .mm-receipt * { visibility: visible; }
  .mm-receipt { position: absolute; top: 0; left: 0; border: none; }
  .mm-no-print { display: none !important; }
}

/* ---------- Utility ---------- */
.mm-flex { display: flex; align-items: center; }
.mm-flex-between { display: flex; align-items: center; justify-content: space-between; }
.mm-gap-8 { gap: 8px; } .mm-gap-12 { gap: 12px; } .mm-gap-16 { gap: 16px; }
.mm-mt-8 { margin-top: 8px; } .mm-mt-16 { margin-top: 16px; } .mm-mt-24 { margin-top: 24px; }
.mm-mb-16 { margin-bottom: 16px; } .mm-mb-24 { margin-bottom: 24px; }
.mm-text-muted { color: var(--mm-text-muted); }
.mm-text-right { text-align: right; }
.mm-w-full { width: 100%; }
.mm-page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 10px; }

/* ---------- Mobile responsiveness ---------- */
@media (max-width: 900px) {
  .mm-sidebar { transform: translateX(-100%); }
  .mm-sidebar.open { transform: translateX(0); }
  .mm-main { margin-left: 0; }
  .mm-topbar .mm-menu-btn { display: block; }
  .mm-content { padding: 16px; }
}