/* ============================================================
   POSHIVE Design System
   Warm artisan aesthetic — inspired by boutique POS
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg:            #FAF8F5;
  --surface:       #FFFFFF;
  --surface-2:     #F5F0EB;

  /* Card thumbnail — the stripe area */
  --card-thumb:    #EDE0D4;

  /* Borders */
  --border:        #E8DDD5;
  --border-strong: #C9B8AC;

  /* Text */
  --text:          #1C1917;
  --text-2:        #78716C;
  --text-3:        #A8998A;

  /* Primary action — near black */
  --ink:           #1C1917;
  --ink-text:      #FFFFFF;
  --ink-hover:     #3D3530;

  /* Status */
  --green:         #16A34A;
  --green-light:   #F0FDF4;
  --green-border:  #BBF7D0;
  --red:           #DC2626;
  --red-light:     #FEF2F2;
  --red-border:    #FECACA;
  --amber:         #D97706;
  --amber-light:   #FFFBEB;
  --amber-border:  #FDE68A;
  --blue:          #2563EB;
  --blue-light:    #EFF6FF;
  --blue-border:   #BFDBFE;

  /* Radius */
  --r-sm:   6px;
  --r:      10px;
  --r-lg:   16px;
  --r-xl:   20px;
  --r-full: 9999px;

  /* Shadows */
  --sh-xs: 0 1px 2px rgba(28,25,23,0.05);
  --sh-sm: 0 1px 3px rgba(28,25,23,0.07), 0 1px 2px rgba(28,25,23,0.04);
  --sh:    0 4px 12px rgba(28,25,23,0.09), 0 1px 3px rgba(28,25,23,0.04);
  --sh-lg: 0 12px 32px rgba(28,25,23,0.13), 0 4px 8px rgba(28,25,23,0.06);

  /* Typography */
  --font:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Transitions */
  --ease: all 0.15s ease;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--ink); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

h1,h2,h3,h4,h5,h6 { font-weight: 600; line-height: 1.3; color: var(--text); }
p { color: var(--text-2); }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.6em 1.25em;
  border: 1.5px solid transparent;
  border-radius: var(--r-full);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: var(--ease);
  white-space: nowrap;
  text-decoration: none;
  user-select: none;
}
.btn:active { transform: scale(0.96); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; }

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

.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); border-color: var(--border-strong); }

.btn-success   { background: var(--green); color: #fff; border-color: var(--green); }
.btn-success:hover  { background: #15803d; border-color: #15803d; }

.btn-danger    { background: var(--red); color: #fff; border-color: var(--red); }
.btn-danger:hover   { background: #b91c1c; border-color: #b91c1c; }

.btn-warning   { background: var(--amber); color: #fff; border-color: var(--amber); }
.btn-warning:hover  { background: #b45309; border-color: #b45309; }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }

.btn-sm  { padding: 0.4em 0.9em; font-size: 0.8rem; }
.btn-lg  { padding: 0.8em 1.8em; font-size: 1rem; }
.btn-xl  { padding: 1em 2em; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-icon {
  padding: 0;
  width: 34px; height: 34px;
  border-radius: var(--r-full);
  justify-content: center;
}

/* ── Forms ──────────────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.35rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="date"],
select, textarea {
  width: 100%;
  padding: 0.6rem 0.875rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(28,25,23,0.07);
}
input::placeholder, textarea::placeholder { color: var(--text-3); }
select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2378716C' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.875rem center; padding-right: 2.5rem; }
textarea { resize: vertical; min-height: 80px; line-height: 1.5; }

.input-hint { font-size: 0.78rem; color: var(--text-3); margin-top: 0.3rem; }
.input-error { font-size: 0.78rem; color: var(--red); margin-top: 0.3rem; }

/* ── Checkbox / Toggle ──────────────────────────────────── */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  cursor: pointer;
  font-size: 0.9rem;
}
.checkbox-label input[type="checkbox"] {
  width: 17px; height: 17px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--ink);
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
}
.card-header {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.card-title { font-size: 1rem; font-weight: 600; }
.card-body  { padding: 1.5rem; }
.card-footer {
  padding: 0.875rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ── Badges ─────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.2em 0.65em;
  border-radius: var(--r-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge-dark    { background: var(--ink); color: #fff; }
.badge-success { background: var(--green-light); color: var(--green); border: 1px solid var(--green-border); }
.badge-danger  { background: var(--red-light); color: var(--red); border: 1px solid var(--red-border); }
.badge-warning { background: var(--amber-light); color: var(--amber); border: 1px solid var(--amber-border); }
.badge-info    { background: var(--blue-light); color: var(--blue); border: 1px solid var(--blue-border); }
.badge-neutral { background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }

/* ── Filter Pills ───────────────────────────────────────── */
.filter-pills {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding: 0.42em 1em;
  border-radius: var(--r-full);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  transition: var(--ease);
  white-space: nowrap;
  user-select: none;
}
.pill:hover { border-color: var(--border-strong); color: var(--text); }
.pill.active {
  background: var(--ink);
  color: var(--ink-text);
  border-color: var(--ink);
}

.pill-count {
  font-size: 0.78em;
  font-weight: 600;
  padding: 0.1em 0.45em;
  border-radius: var(--r-full);
  background: rgba(255,255,255,0.15);
}
.pill:not(.active) .pill-count {
  background: var(--border);
  color: var(--text-3);
}

/* ── Tables ─────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }

thead th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  white-space: nowrap;
}
tbody td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg); }

/* ── Modals ─────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(28,25,23,0.45);
  backdrop-filter: blur(3px);
  z-index: 900;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
  width: 100%;
  max-width: 500px;
  max-height: 92vh;
  overflow-y: auto;
}
.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0;
  background: var(--surface);
  z-index: 1;
}
.modal-title { font-size: 1rem; font-weight: 600; }
.modal-body  { padding: 1.5rem; }
.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
  position: sticky; bottom: 0;
  background: var(--surface);
}

.modal-close {
  width: 30px; height: 30px;
  border-radius: var(--r-full);
  border: none;
  background: var(--surface-2);
  color: var(--text-2);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--ease);
}
.modal-close:hover { background: var(--border); color: var(--text); }

/* ── Toast ──────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--r-lg);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--sh-lg);
  z-index: 9999;
  transform: translateY(calc(100% + 2rem));
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 320px;
  pointer-events: none;
}
.toast.show { transform: translateY(0); pointer-events: auto; }
.toast.toast-success { background: var(--green); }
.toast.toast-error   { background: var(--red); }
.toast.toast-warning { background: var(--amber); }

/* ── Alert banners ──────────────────────────────────────── */
.alert {
  padding: 0.8rem 1.1rem;
  border-radius: var(--r);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  border: 1px solid transparent;
}
.alert-success { background: var(--green-light); color: var(--green); border-color: var(--green-border); }
.alert-error   { background: var(--red-light);   color: var(--red);   border-color: var(--red-border); }
.alert-warning { background: var(--amber-light); color: var(--amber); border-color: var(--amber-border); }
.alert-info    { background: var(--blue-light);  color: var(--blue);  border-color: var(--blue-border); }
.alert-neutral { background: var(--surface-2); color: var(--text-2); border-color: var(--border); }

/* ── Sidebar layout ─────────────────────────────────────── */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 50;
  overflow-y: auto;
}
.sidebar-brand {
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}
.brand-mark {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--ink-text);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem;
  margin-bottom: 0.625rem;
  flex-shrink: 0;
}
.brand-name { font-weight: 600; font-size: 0.95rem; color: var(--text); line-height: 1.2; }
.brand-sub  { font-size: 0.72rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.07em; margin-top: 0.15rem; }

.nav-group { padding: 0.875rem 0.75rem 0.5rem; }
.nav-group-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-3);
  padding: 0 0.5rem;
  margin-bottom: 0.25rem;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.65em;
  padding: 0.5rem 0.625rem;
  border-radius: var(--r);
  font-size: 0.9rem;
  color: var(--text-2);
  text-decoration: none;
  cursor: pointer;
  transition: var(--ease);
  font-weight: 500;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  line-height: 1.4;
}
.nav-link:hover { background: var(--bg); color: var(--text); text-decoration: none; }
.nav-link.active { background: var(--surface-2); color: var(--text); font-weight: 600; }
.nav-link svg, .nav-link .nav-icon { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.6; }
.nav-link.active svg, .nav-link.active .nav-icon { opacity: 1; }
.nav-badge {
  margin-left: auto;
  background: var(--ink);
  color: var(--ink-text);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.1em 0.5em;
  border-radius: var(--r-full);
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  margin-top: auto;
  padding: 1rem 0.75rem;
  border-top: 1px solid var(--border);
}

.page-body {
  margin-left: 220px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ─────────────────────────────────────────────── */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.8rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 40;
}
.topbar-left  { display: flex; align-items: center; gap: 0.75rem; }
.topbar-right { display: flex; align-items: center; gap: 0.75rem; }
.topbar-title { font-weight: 600; font-size: 1.05rem; color: var(--text); }

/* ── Page main ──────────────────────────────────────────── */
.page-main { padding: 1.75rem 2rem; flex: 1; }

/* ── Page header ────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.page-heading { font-size: 1.4rem; font-weight: 700; }
.page-sub     { font-size: 0.875rem; color: var(--text-2); margin-top: 0.2rem; }
.page-actions { display: flex; align-items: center; gap: 0.625rem; flex-shrink: 0; }

/* ── Stats grid ─────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--sh-xs);
}
.stat-value {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-3);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Product card (POS grid) ────────────────────────────── */
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
  transition: var(--ease);
  box-shadow: var(--sh-xs);
}
.product-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh);
  border-color: var(--border-strong);
}
.product-card:active { transform: scale(0.96); box-shadow: var(--sh-xs); }

.product-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--card-thumb);
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 9px,
    rgba(255,255,255,0.25) 9px,
    rgba(255,255,255,0.25) 18px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-initial {
  font-size: 2.2rem;
  font-weight: 300;
  color: rgba(120, 95, 70, 0.5);
  letter-spacing: -0.02em;
  user-select: none;
  position: relative;
  z-index: 1;
}

.product-info { padding: 0.75rem 0.875rem; }
.product-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
  margin-bottom: 0.25rem;
}
.product-cat {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.product-price {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

/* ── Section divider ────────────────────────────────────── */
hr, .divider { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

/* ── Empty state ────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3.5rem 2rem;
  color: var(--text-3);
}
.empty-state h3 { font-size: 0.95rem; color: var(--text-2); margin-bottom: 0.4rem; }
.empty-state p  { font-size: 0.85rem; margin-bottom: 1.25rem; }

/* ── Lang toggle ────────────────────────────────────────── */
.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  background: none;
  border: 1.5px solid var(--border);
  color: var(--text-2);
  border-radius: var(--r-full);
  padding: 0.3em 0.8em;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--ease);
  font-family: var(--font);
  letter-spacing: 0.05em;
}
.lang-toggle-btn:hover { border-color: var(--border-strong); color: var(--text); }

/* ── Avatar ─────────────────────────────────────────────── */
.avatar {
  width: 36px; height: 36px;
  border-radius: var(--r-full);
  background: var(--ink);
  color: var(--ink-text);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 0.875rem;
  flex-shrink: 0;
  user-select: none;
}

/* ── Status dot ─────────────────────────────────────────── */
.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: var(--r-full);
  background: var(--text-3);
  flex-shrink: 0;
}
.status-dot.online  { background: var(--green); }
.status-dot.offline { background: var(--red); }
.status-dot.warning { background: var(--amber); }

/* ── Search input ───────────────────────────────────────── */
.search-wrap {
  position: relative;
  flex: 1;
}
.search-wrap input {
  padding-left: 2.25rem;
}
.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
  font-size: 0.9rem;
}

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* ── Utility ────────────────────────────────────────────── */
.text-muted   { color: var(--text-2); }
.text-sm      { font-size: 0.85rem; }
.text-xs      { font-size: 0.75rem; }
.fw-semibold  { font-weight: 600; }
.fw-bold      { font-weight: 700; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.gap-sm { gap: 0.5rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .page-body { margin-left: 0; }
}

@media (max-width: 768px) {
  .page-main { padding: 1rem; }
  .topbar { padding: 0.7rem 1rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .page-header { flex-direction: column; gap: 0.75rem; }
  .page-actions { width: 100%; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0.625rem; }
  .modal { max-width: 100%; border-radius: var(--r-lg) var(--r-lg) 0 0; }
  .modal-overlay { align-items: flex-end; padding: 0; }
}