/* ============================================================
   style.css - Zhein Stok Manager v2.0
   Mobile-first, PWA-ready
   ============================================================ */

/* ── VARIABLES ─────────────────────────────────────────────── */
:root {
  --red:        #E53935;
  --red-dark:   #B71C1C;
  --red-light:  #EF5350;
  --red-ghost:  rgba(229,57,53,0.08);
  --red-grad:   linear-gradient(135deg,#E53935,#B71C1C);
  --black:      #1A1A1A;
  --sidebar-bg: #1A1A1A;
  --bg:         #F4F6F8;
  --bg2:        #ECEEF0;
  --card:       #FFFFFF;
  --text:       #1A1A1A;
  --text2:      #5F6B7A;
  --text3:      #9AA5B4;
  --border:     #E2E8F0;
  --shadow:     0 1px 8px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.12);
  --radius:     12px;
  --sidebar-w:  260px;
  --header-h:   56px;
  --transition: all 0.2s ease;
}
[data-theme="dark"] {
  --bg:#111827; --bg2:#1F2937; --card:#1F2937;
  --text:#F9FAFB; --text2:#9CA3AF; --text3:#6B7280;
  --border:#374151; --shadow:0 1px 8px rgba(0,0,0,0.3);
}

/* ── RESET ──────────────────────────────────────────────────── */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
html { font-size:16px; scroll-behavior:smooth; -webkit-tap-highlight-color:transparent; }
body { font-family:'Segoe UI',system-ui,-apple-system,sans-serif; background:var(--bg); color:var(--text); min-height:100vh; overflow-x:hidden; transition:background 0.2s,color 0.2s; }
a { text-decoration:none; color:inherit; }
button { cursor:pointer; }
img { max-width:100%; display:block; }

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

/* ── SIDEBAR ─────────────────────────────────────────────────── */
.sidebar {
  width:var(--sidebar-w); min-height:100vh;
  background:var(--sidebar-bg);
  position:fixed; top:0; left:0; z-index:200;
  display:flex; flex-direction:column;
  transition:transform 0.3s cubic-bezier(0.4,0,0.2,1);
  will-change:transform;
}
.sidebar-logo {
  padding:20px 18px 16px;
  border-bottom:1px solid rgba(255,255,255,0.06);
  display:flex; align-items:center; gap:12px;
  flex-shrink:0;
}
.logo-icon {
  width:38px; height:38px; border-radius:10px;
  background:var(--red-grad);
  display:flex; align-items:center; justify-content:center;
  font-size:18px; flex-shrink:0;
}
.logo-text .name { color:#fff; font-size:15px; font-weight:700; }
.logo-text .ver  { color:#4B5563; font-size:10px; margin-top:1px; }

.sidebar-nav { flex:1; padding:8px 0; overflow-y:auto; }
.nav-section { padding:16px 18px 5px; color:#4B5563; font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:1px; }
.nav-item {
  margin:1px 10px; border-radius:9px;
  display:flex; align-items:center; gap:11px;
  padding:10px 12px; color:#6B7280;
  font-size:13.5px; font-weight:500;
  cursor:pointer; transition:var(--transition);
  user-select:none;
}
.nav-item:hover  { background:rgba(255,255,255,0.05); color:#D1D5DB; }
.nav-item.active { background:var(--red-ghost); color:var(--red-light); }
.nav-item .icon  { width:18px; text-align:center; font-size:14px; flex-shrink:0; }
.nav-item .label { flex:1; }
.nav-badge { background:var(--red); color:#fff; font-size:10px; font-weight:700; padding:2px 7px; border-radius:20px; }

.sidebar-footer { padding:12px; border-top:1px solid rgba(255,255,255,0.06); flex-shrink:0; }
.user-chip {
  display:flex; align-items:center; gap:10px;
  padding:9px 11px; border-radius:10px;
  background:rgba(255,255,255,0.04);
  cursor:pointer; transition:var(--transition);
}
.user-chip:hover { background:rgba(255,255,255,0.08); }
.user-avatar {
  width:32px; height:32px; border-radius:8px;
  background:var(--red-grad);
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:13px; font-weight:700; flex-shrink:0;
}
.user-info .uname { color:#E5E7EB; font-size:13px; font-weight:600; }
.user-info .urole { color:#4B5563; font-size:11px; }

/* ── MAIN ────────────────────────────────────────────────────── */
.main-area { margin-left:var(--sidebar-w); flex:1; display:flex; flex-direction:column; min-height:100vh; }

/* ── TOPBAR ──────────────────────────────────────────────────── */
.topbar {
  height:var(--header-h); background:var(--card);
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; padding:0 20px; gap:12px;
  position:sticky; top:0; z-index:100;
  box-shadow:var(--shadow);
}
.topbar-toggle { display:none; background:none; border:none; color:var(--text2); font-size:20px; padding:4px; }
.topbar-title  { font-size:16px; font-weight:700; color:var(--text); flex:1; }
.topbar-actions { display:flex; align-items:center; gap:6px; }
.icon-btn {
  width:36px; height:36px; border:none; border-radius:9px;
  background:var(--bg2); color:var(--text2); font-size:15px;
  display:flex; align-items:center; justify-content:center;
  transition:var(--transition); position:relative;
}
.icon-btn:hover { background:var(--border); color:var(--text); }
.notif-dot { position:absolute; top:7px; right:7px; width:7px; height:7px; background:var(--red); border-radius:50%; border:1.5px solid var(--card); }

/* ── CONTENT ─────────────────────────────────────────────────── */
.content { flex:1; padding:20px; overflow-x:hidden; }

/* ── PAGE ────────────────────────────────────────────────────── */
.page { display:none; animation:fadeIn 0.2s ease; }
.page.active { display:block; }
@keyframes fadeIn { from{opacity:0;transform:translateY(5px)} to{opacity:1;transform:none} }

/* ── CARD ────────────────────────────────────────────────────── */
.card { background:var(--card); border-radius:var(--radius); border:1px solid var(--border); box-shadow:var(--shadow); }
.card-header { padding:14px 18px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; gap:10px; }
.card-title  { font-size:14px; font-weight:700; color:var(--text); }
.card-body   { padding:18px; }

/* ── STATS ───────────────────────────────────────────────────── */
.stat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:12px; margin-bottom:18px; }
.stat-card {
  background:var(--card); border-radius:var(--radius);
  border:1px solid var(--border); padding:16px;
  display:flex; align-items:center; gap:13px;
  box-shadow:var(--shadow); transition:var(--transition);
}
.stat-card:hover { transform:translateY(-2px); box-shadow:var(--shadow-md); }
.stat-icon { width:46px; height:46px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:20px; flex-shrink:0; }
.si-red    { background:rgba(229,57,53,0.1); color:#E53935; }
.si-blue   { background:rgba(25,118,210,0.1); color:#1976D2; }
.si-green  { background:rgba(46,125,50,0.1); color:#2E7D32; }
.si-orange { background:rgba(230,81,0,0.1); color:#E65100; }
.si-purple { background:rgba(106,27,154,0.1); color:#6A1B9A; }
.stat-val  { font-size:22px; font-weight:800; color:var(--text); line-height:1.1; }
.stat-lbl  { font-size:12px; color:var(--text2); margin-top:2px; }

/* ── CHART ───────────────────────────────────────────────────── */
.chart-grid { display:grid; grid-template-columns:2fr 1fr; gap:14px; margin-bottom:18px; }

/* ── TABLE ───────────────────────────────────────────────────── */
.tbl-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }
table { width:100%; border-collapse:collapse; }
thead th { padding:10px 14px; text-align:left; background:var(--bg2); color:var(--text2); font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:0.5px; white-space:nowrap; }
tbody td { padding:10px 14px; border-top:1px solid var(--border); font-size:13.5px; color:var(--text); vertical-align:middle; }
tbody tr:hover { background:var(--bg2); }

/* ── BADGE ───────────────────────────────────────────────────── */
.badge { display:inline-block; padding:3px 9px; border-radius:20px; font-size:11px; font-weight:600; }
.badge-red    { background:rgba(229,57,53,0.1); color:#E53935; }
.badge-green  { background:rgba(46,125,50,0.1); color:#2E7D32; }
.badge-blue   { background:rgba(25,118,210,0.1); color:#1976D2; }
.badge-orange { background:rgba(230,81,0,0.1); color:#E65100; }
.badge-gray   { background:var(--bg2); color:var(--text2); }

/* ── FORM ────────────────────────────────────────────────────── */
.form-label  { font-size:12.5px; font-weight:600; color:var(--text2); margin-bottom:5px; display:block; }
.form-control, .form-select {
  width:100%; padding:10px 13px;
  background:var(--card); border:1.5px solid var(--border);
  border-radius:10px; color:var(--text);
  font-size:14px; outline:none; transition:var(--transition);
  -webkit-appearance:none; appearance:none;
}
.form-control:focus, .form-select:focus { border-color:var(--red); box-shadow:0 0 0 3px var(--red-ghost); }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-group { margin-bottom:14px; }
.input-group { display:flex; gap:8px; }
.input-group .form-control { flex:1; }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn {
  padding:9px 16px; border-radius:10px; border:none;
  font-size:13.5px; font-weight:600; cursor:pointer;
  display:inline-flex; align-items:center; gap:7px;
  transition:var(--transition); white-space:nowrap;
  -webkit-tap-highlight-color:transparent;
}
.btn:active { transform:scale(0.97); }
.btn-primary { background:var(--red-grad); color:#fff; box-shadow:0 2px 8px rgba(229,57,53,0.25); }
.btn-primary:hover { box-shadow:0 4px 14px rgba(229,57,53,0.35); }
.btn-success { background:linear-gradient(135deg,#43A047,#2E7D32); color:#fff; }
.btn-blue    { background:linear-gradient(135deg,#1E88E5,#1565C0); color:#fff; }
.btn-secondary { background:var(--bg2); color:var(--text); }
.btn-secondary:hover { background:var(--border); }
.btn-outline { background:transparent; border:1.5px solid var(--border); color:var(--text2); }
.btn-outline:hover { background:var(--bg2); }
.btn-danger  { background:rgba(229,57,53,0.08); color:var(--red); border:1.5px solid rgba(229,57,53,0.2); }
.btn-danger:hover { background:rgba(229,57,53,0.15); }
.btn-sm { padding:6px 12px; font-size:12px; border-radius:8px; gap:5px; }
.btn-full { width:100%; justify-content:center; }
.btn:disabled { opacity:0.55; cursor:not-allowed; transform:none !important; }

/* ── LOW STOCK BANNER ────────────────────────────────────────── */
.low-stock-banner {
  background:rgba(229,57,53,0.05); border:1px solid rgba(229,57,53,0.2);
  border-radius:11px; padding:12px 16px; margin-bottom:16px;
  display:flex; align-items:flex-start; gap:11px;
}
.stok-warn { color:var(--red) !important; font-weight:700; }
.stok-ok   { color:#2E7D32; font-weight:600; }

/* ── LOADING OVERLAY ─────────────────────────────────────────── */
.overlay {
  position:fixed; inset:0; background:rgba(0,0,0,0.4);
  z-index:9999; display:none; align-items:center; justify-content:center;
}
.overlay.show { display:flex; }
.spinner {
  width:44px; height:44px;
  border:4px solid rgba(255,255,255,0.2);
  border-top-color:var(--red);
  border-radius:50%; animation:spin 0.7s linear infinite;
}
@keyframes spin { to{transform:rotate(360deg)} }

/* ── MODAL ───────────────────────────────────────────────────── */
.modal-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,0.5);
  z-index:1000; display:none; align-items:flex-end; justify-content:center;
  padding:0;
}
.modal-overlay.show { display:flex; }
.modal-box {
  background:var(--card); border-radius:20px 20px 0 0;
  width:100%; max-width:600px; max-height:92vh; overflow-y:auto;
  box-shadow:0 -8px 40px rgba(0,0,0,0.2);
  animation:slideUp 0.25s ease;
}
@keyframes slideUp { from{transform:translateY(100%)} to{transform:none} }
.modal-header {
  padding:16px 20px; border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
  position:sticky; top:0; background:var(--card); z-index:10;
}
.modal-header h5 { font-size:15px; font-weight:700; margin:0; }
.modal-close { background:var(--bg2); border:none; width:30px; height:30px; border-radius:50%; font-size:16px; color:var(--text2); display:flex; align-items:center; justify-content:center; }
.modal-body   { padding:20px; }
.modal-footer { padding:14px 20px; border-top:1px solid var(--border); display:flex; gap:9px; justify-content:flex-end; background:var(--card); }

/* ── SEARCH ──────────────────────────────────────────────────── */
.search-wrap { position:relative; }
.search-wrap .search-icon { position:absolute; left:11px; top:50%; transform:translateY(-50%); color:var(--text3); font-size:14px; pointer-events:none; }
.search-wrap input { padding-left:34px; }

/* ── DROP ZONE ───────────────────────────────────────────────── */
.drop-zone {
  border:2px dashed var(--border); border-radius:11px;
  padding:32px 20px; text-align:center; cursor:pointer;
  transition:var(--transition); color:var(--text2);
}
.drop-zone:hover,.drop-zone.drag { border-color:var(--red); background:var(--red-ghost); color:var(--red); }
.drop-zone .dz-icon { font-size:30px; margin-bottom:10px; display:block; }

/* ── THUMBNAIL ───────────────────────────────────────────────── */
.thumb-img {
  width:46px; height:46px; border-radius:8px;
  object-fit:cover; border:1px solid var(--border);
  cursor:pointer; transition:var(--transition);
}
.thumb-img:hover { transform:scale(1.08); }
.thumb-empty {
  width:46px; height:46px; border-radius:8px;
  background:var(--bg2); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; color:var(--text3); font-size:15px;
  transition:var(--transition);
}
.thumb-empty:hover { background:var(--border); color:var(--red); }

/* ── SIDEBAR OVERLAY (mobile) ────────────────────────────────── */
.sidebar-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.5); z-index:190; }
.sidebar-overlay.show { display:block; }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width:768px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .main-area { margin-left:0; }
  .topbar-toggle { display:flex; }
  .content { padding:14px; }
  .stat-grid { grid-template-columns:repeat(2,1fr); }
  .chart-grid { grid-template-columns:1fr; }
  .form-row { grid-template-columns:1fr; }
  .modal-box { max-height:88vh; }
}
@media (max-width:400px) {
  .stat-grid { grid-template-columns:1fr; }
}

/* ── BARCODE PRINT ───────────────────────────────────────────── */
.barcode-code { font-family:monospace; font-weight:700; font-size:14px; letter-spacing:1.5px; margin-top:8px; }
@media print {
  .topbar,.sidebar,.modal-overlay { display:none !important; }
  .main-area { margin-left:0 !important; }
  .content { padding:0 !important; }
}

/* ── MISC ────────────────────────────────────────────────────── */
.mt-3  { margin-top:12px; }
.mt-4  { margin-top:16px; }
.mb-4  { margin-bottom:16px; }
.gap-2 { gap:8px; }
.d-flex { display:flex; }
.align-center { align-items:center; }
.justify-between { justify-content:space-between; }
.flex-wrap { flex-wrap:wrap; }
.text-center { text-align:center; }
.text-muted  { color:var(--text2); }
.text-sm     { font-size:12.5px; }
.fw-bold     { font-weight:700; }
.w-100       { width:100%; }
hr { border:none; border-top:1px solid var(--border); margin:16px 0; }

/* ── PROGRESS BAR ────────────────────────────────────────────── */
.progress { background:var(--bg2); border-radius:8px; overflow:hidden; height:8px; }
.progress-bar { height:100%; background:var(--red-grad); transition:width 0.3s; border-radius:8px; }

/* ── EMPTY STATE ─────────────────────────────────────────────── */
.empty-state { text-align:center; padding:40px 20px; color:var(--text2); }
.empty-state i { font-size:36px; margin-bottom:12px; display:block; opacity:0.4; }

/* ── SCAN RESULT ─────────────────────────────────────────────── */
.scan-result-box {
  background:rgba(46,125,50,0.08); border:1px solid rgba(46,125,50,0.25);
  border-radius:10px; padding:12px 14px; margin-top:10px;
}