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

:root {
  --bg:         #0f1419;
  --card:       #1a1f2e;
  --border:     #2a3142;
  --text:       #e6e9ef;
  --text2:      #8b93a7;
  --accent:     #3b82f6;
  --green:      #22c55e;
  --yellow:     #f59e0b;
  --red:        #ef4444;
  --orange:     #f97316;
  --radius:     8px;
  --sidebar-w:  220px;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ===== Login Screen ===== */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 360px;
  max-width: 95vw;
}

.login-card h1 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 28px;
  color: var(--text);
  text-align: center;
}

.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}

.form-group input:focus { border-color: var(--accent); }

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 11px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: opacity .2s;
}

.btn-primary:hover { opacity: .88; }

.login-error {
  color: var(--red);
  font-size: 13px;
  margin-top: 10px;
  text-align: center;
  min-height: 18px;
}

/* ===== App Layout ===== */
#app-screen {
  display: flex;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 0 16px;
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform .25s;
}

.sidebar-logo {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  padding: 0 18px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
  line-height: 1.3;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--text2);
  text-transform: uppercase;
  padding: 0 18px 8px;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  color: var(--text2);
  text-decoration: none;
  font-size: 14px;
  border-radius: 6px;
  margin: 2px 8px;
  transition: background .15s, color .15s;
}

.sidebar nav a:hover { background: rgba(59,130,246,.12); color: var(--text); }

.sidebar nav a.active {
  background: rgba(59,130,246,.22);
  color: var(--accent);
  font-weight: 600;
}

.sidebar nav a .nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  margin-top: auto;
  padding: 12px 8px 0;
  border-top: 1px solid var(--border);
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text2);
  padding: 9px 18px;
  font-size: 14px;
  cursor: pointer;
  border-radius: 6px;
  margin: 2px 0;
  transition: background .15s, color .15s;
}

.btn-logout:hover { background: rgba(239,68,68,.12); color: var(--red); }

/* ===== Main content ===== */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 24px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== Module header ===== */
.module-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.module-title { font-size: 22px; font-weight: 700; }
.module-date  { font-size: 13px; color: var(--text2); margin-top: 4px; }

.header-right { display: flex; align-items: center; gap: 12px; }
.period-buttons { display: flex; gap: 6px; }

.live-indicator {
  font-size: 11px;
  color: var(--green);
  white-space: nowrap;
  opacity: .85;
}

.error-banner {
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.35);
  border-radius: var(--radius);
  padding: 11px 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--red);
  font-size: 14px;
}

.btn-retry {
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity .15s;
}

.btn-retry:hover { opacity: .85; }

.btn-period {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
}

.btn-period:hover { border-color: var(--accent); color: var(--text); }

.btn-period.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ===== KPI Cards row ===== */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px;
}

.kpi-card.green  { border-left-color: var(--green); }
.kpi-card.yellow { border-left-color: var(--yellow); }
.kpi-card.orange { border-left-color: var(--orange); }
.kpi-card.red    { border-left-color: var(--red); }

.kpi-label {
  font-size: 11px;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.kpi-sub { font-size: 12px; color: var(--text2); margin-top: 4px; }

.kpi-change-pos { color: var(--green); }
.kpi-change-neg { color: var(--red); }

/* ===== Charts row ===== */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.charts-row.single { grid-template-columns: 1fr; }

.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.chart-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

.chart-wrap { position: relative; width: 100%; }
.chart-wrap.tall { height: 280px; }
.chart-wrap.medium { height: 240px; }

/* ===== Table ===== */
.table-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  overflow-x: auto;
}

.table-card h3 { font-size: 14px; font-weight: 600; margin-bottom: 16px; }

table { width: 100%; border-collapse: collapse; }

th {
  font-size: 11px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(42,49,66,.5);
  color: var(--text);
  font-size: 13px;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }

/* ===== Progress bar ===== */
.progress-bar {
  background: var(--border);
  border-radius: 4px;
  height: 6px;
  width: 100%;
  overflow: hidden;
  margin-top: 4px;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--accent);
  transition: width .3s;
}

.progress-fill.green  { background: var(--green); }
.progress-fill.yellow { background: var(--yellow); }
.progress-fill.red    { background: var(--red); }

.progress-label { font-size: 13px; font-weight: 600; }

/* ===== Status badge ===== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-good     { background: rgba(34,197,94,.15);  color: var(--green); }
.badge-medium   { background: rgba(245,158,11,.15); color: var(--yellow); }
.badge-critical { background: rgba(239,68,68,.15);  color: var(--red); }

/* ===== Warehouse module ===== */
.sklad-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.sklad-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.sklad-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.sklad-card-title { font-size: 15px; font-weight: 600; }
.sklad-card-sub   { font-size: 12px; color: var(--text2); margin-top: 2px; }

.sklad-big-num {
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 12px;
}

.sklad-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 6px;
}

.sklad-row span:last-child { color: var(--text); font-weight: 500; }

.attention-block {
  background: rgba(239,68,68,.08);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
}

.attention-block h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--red);
  margin-bottom: 8px;
}

.attention-overdue {
  font-size: 14px;
  color: var(--text);
}

.overdue-num { font-size: 28px; font-weight: 700; color: var(--red); }

/* ===== Loading / empty ===== */
.state-msg {
  text-align: center;
  color: var(--text2);
  padding: 40px;
  font-size: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 16px;
  }

  .charts-row { grid-template-columns: 1fr; }
  .kpi-row    { grid-template-columns: 1fr 1fr; }
  .sklad-cards { grid-template-columns: 1fr; }

  .module-header { flex-direction: column; }

  .mobile-menu-btn {
    display: flex !important;
  }

  .sidebar-overlay {
    display: block !important;
  }
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 7px 10px;
  cursor: pointer;
  font-size: 18px;
  margin-bottom: 12px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 99;
}

/* ===== WIP / Kanban ===== */
.wip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.wip-chips { display: flex; gap: 8px; flex-wrap: wrap; }

.wip-chip {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 13px;
  color: var(--text2);
}

.wip-chip strong { color: var(--text); }
.chip-red    { border-color: rgba(239,68,68,.4);  color: var(--red);    background: rgba(239,68,68,.08); }
.chip-red strong { color: var(--red); }
.chip-yellow { border-color: rgba(245,158,11,.4); color: var(--yellow); background: rgba(245,158,11,.08); }
.chip-yellow strong { color: var(--yellow); }

.wip-search {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 12px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  width: 180px;
  transition: border-color .2s;
}

.wip-search:focus { border-color: var(--accent); }

.kanban {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 16px;
  align-items: flex-start;
}

.kb-col {
  min-width: 248px;
  width: 248px;
  flex-shrink: 0;
  background: rgba(26,31,46,.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}

.kb-col-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.kb-col-name { font-size: 13px; font-weight: 600; color: var(--text); }

.kb-col-badge {
  background: var(--border);
  color: var(--text2);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 11px;
  font-weight: 600;
}

.kb-col-body { display: flex; flex-direction: column; gap: 8px; }

/* Kanban cards */
.kc {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 6px;
  padding: 11px 12px;
  cursor: default;
}

.kc.kc-due_soon { border-left-color: var(--yellow); }
.kc.kc-overdue  { border-left-color: var(--red); }
.kc.kc-hidden   { display: none; }

.kc-id { font-size: 12px; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.kc-title { font-size: 12px; color: var(--text); line-height: 1.4; margin-bottom: 8px; }

.kc-deadline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.kc-dl-label { font-size: 11px; color: var(--text2); }

.kc-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-green  { background: var(--green); }
.dot-yellow { background: var(--yellow); }
.dot-red    { background: var(--red); }

.kc-days { font-size: 11px; color: var(--text2); }

@media (max-width: 768px) {
  .kanban { flex-direction: column; overflow-x: unset; }
  .kb-col { width: 100%; min-width: unset; }
  .wip-header { flex-direction: column; align-items: flex-start; }
}