/* ============================================================
   eStock — CSS principal — Charte Brocloud
   ============================================================ */

/* ---- Variables ---- */
:root {
  --color-primary:       #1a6ef5;
  --color-primary-dark:  #1050c0;
  --color-primary-light: #e8f0ff;
  --color-secondary:     #0d1a2e;
  --color-accent:        #00c2ff;
  --color-surface:       #ffffff;
  --color-surface-2:     #f5f7fb;
  --color-border:        #e2e8f0;
  --color-text:          #1a2234;
  --color-text-muted:    #64748b;
  --color-success:       #10b981;
  --color-warning:       #f59e0b;
  --color-danger:        #ef4444;
  --color-info:          #3b82f6;
  --sidebar-width:       260px;
  --topbar-height:       64px;
  --radius:              10px;
  --radius-sm:           6px;
  --shadow-sm:           0 1px 3px rgba(0,0,0,.07);
  --shadow:              0 4px 20px rgba(0,0,0,.08);
  --shadow-lg:           0 8px 40px rgba(0,0,0,.12);
  --font-display:        'Syne', sans-serif;
  --font-body:           'DM Sans', sans-serif;
  --transition:          .2s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; }
body {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-surface-2);
  margin: 0;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5,h6 { font-family: var(--font-display); }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }
code { background: #f1f5ff; color: var(--color-primary); padding: 2px 6px; border-radius: 4px; font-size: .85em; }
pre { background: #0d1a2e; color: #a9c5f8; padding: 16px; border-radius: var(--radius); overflow-x: auto; font-size: .85em; }

/* ============================================================
   LAYOUT
   ============================================================ */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-secondary);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform var(--transition);
  overflow-y: auto;
}

.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition);
}

.main-content {
  flex: 1;
  padding-top: var(--topbar-height);
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  color: #fff;
  font-weight: 700;
}

.brand-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.brand-name strong { color: var(--color-accent); }

.sidebar-section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.3);
  padding: 16px 20px 6px;
  font-family: var(--font-display);
  font-weight: 600;
}

.sidebar-nav {
  list-style: none;
  padding: 0 10px;
  margin: 0;
}

.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,.65);
  font-size: 13.5px;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
}

.sidebar-nav li a:hover,
.sidebar-nav li.active a {
  background: rgba(255,255,255,.08);
  color: #fff;
}

.sidebar-nav li.active a {
  background: var(--color-primary);
  color: #fff;
}

.sidebar-nav li a i { font-size: 16px; flex-shrink: 0; }

.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  margin-left: auto;
  flex-shrink: 0;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 12px;
  border-top: 1px solid rgba(255,255,255,.07);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.05);
}

.user-avatar, .topbar-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,.2);
}

.user-avatar-placeholder {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
}

.user-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 11px;
  color: rgba(255,255,255,.4);
}

.logout-btn {
  color: rgba(255,255,255,.4);
  font-size: 15px;
  padding: 4px;
  flex-shrink: 0;
  transition: color var(--transition);
}
.logout-btn:hover { color: var(--color-danger); }

.sidebar-toggle-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,.6);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 999;
  display: none;
}

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--topbar-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 900;
  box-shadow: var(--shadow-sm);
  transition: left var(--transition);
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-version {
  font-size: 11px;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  padding: 3px 8px;
  border-radius: 20px;
  font-weight: 500;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}

.topbar-avatar { border-color: var(--color-border); }

.breadcrumb { font-size: 12.5px; }
.breadcrumb-item + .breadcrumb-item::before { color: var(--color-border); }

/* ============================================================
   PAGE LAYOUT
   ============================================================ */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text);
  margin: 0;
}

.page-subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 4px 0 0;
}

.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ============================================================
   PANELS / CARDS
   ============================================================ */
.card-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  gap: 12px;
  flex-wrap: wrap;
}

.panel-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.panel-body { padding: 20px; }

/* ============================================================
   KPI CARDS
   ============================================================ */
.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.kpi-card:hover { box-shadow: var(--shadow); }

.kpi-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.kpi-icon--blue   { background: #e8f0ff; color: var(--color-primary); }
.kpi-icon--green  { background: #d1fae5; color: var(--color-success); }
.kpi-icon--purple { background: #ede9fe; color: #7c3aed; }
.kpi-icon--orange { background: #fef3c7; color: #d97706; }

.kpi-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.kpi-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ============================================================
   QUICK ACTIONS
   ============================================================ */
.quick-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.quick-action-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 24px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
  min-width: 110px;
  text-align: center;
}

.quick-action-card i { font-size: 22px; color: var(--color-primary); }
.quick-action-card:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(26,110,245,.3);
  transform: translateY(-2px);
}
.quick-action-card:hover i { color: #fff; }

/* ============================================================
   STRATEGY BADGES
   ============================================================ */
.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.strategy-badge {
  padding: 12px;
  border-radius: var(--radius-sm);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.strategy-badge i { font-size: 20px; }
.strategy-badge strong { font-size: 12px; display: block; }
.strategy-badge small { font-size: 11px; color: var(--color-text-muted); }

.strategy-max-count    { background: #fef9c3; color: #92400e; }
.strategy-max-capacity { background: #ede9fe; color: #5b21b6; }
.strategy-balanced     { background: #d1fae5; color: #065f46; }
.strategy-custom       { background: #fee2e2; color: #991b1b; }

/* ============================================================
   SYNC STATUS / API STATUS
   ============================================================ */
.sync-status, .api-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 500;
}

.sync-status--ok, .api-status--ok {
  background: #d1fae5;
  color: #065f46;
}

.sync-status--warn, .api-status--warn {
  background: #fef3c7;
  color: #92400e;
}

.sync-status i, .api-status i { font-size: 18px; }

.config-hint { font-size: 12px; }

/* ============================================================
   OFFERS GRID
   ============================================================ */
.offers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}

.offer-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all var(--transition);
  position: relative;
}

.offer-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.offer-card--inactive {
  opacity: .55;
}

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

.offer-type-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
  letter-spacing: .05em;
}

.offer-type-badge--linux   { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.offer-type-badge--windows { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

.offer-price {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--color-primary);
}
.offer-price small { font-size: 11px; color: var(--color-text-muted); font-weight: 400; }

.offer-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--color-text);
  margin: 0 0 12px;
}

.offer-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 12px;
}

.offer-spec {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--color-text-muted);
}

.offer-spec i { font-size: 13px; color: var(--color-primary); }

.offer-whmcs-badge {
  font-size: 11px;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px 8px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 10px;
}

.offer-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
}

/* ============================================================
   SCENARIOS GRID
   ============================================================ */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.scenario-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all var(--transition);
}

.scenario-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

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

.scenario-strategy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
}

.scenario-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 6px;
}

.scenario-desc {
  font-size: 12.5px;
  color: var(--color-text-muted);
  margin: 0 0 10px;
}

.scenario-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

/* ============================================================
   STRATEGY SELECTOR (modal)
   ============================================================ */
.strategy-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.strategy-option input { display: none; }

.strategy-option-content {
  padding: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  text-align: center;
  transition: border-color var(--transition);
}

.strategy-option input:checked + .strategy-option-content {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,110,245,.15);
}

.custom-weights-grid { display: flex; flex-direction: column; gap: 8px; }

.custom-weight-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.custom-weight-row span { flex: 1; }

/* ============================================================
   RESOURCE CARDS
   ============================================================ */
.resource-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.resource-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 8px;
}

.resource-pct { font-family: var(--font-display); font-weight: 800; }

.resource-progress {
  height: 8px;
  border-radius: 4px;
  margin-bottom: 6px;
}

.resource-detail { font-size: 11.5px; }

/* ============================================================
   TABLE
   ============================================================ */
.estock-table {
  font-size: 13px;
  margin: 0;
}

.estock-table thead th {
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-muted);
  padding: 10px 14px;
  white-space: nowrap;
}

.estock-table td {
  padding: 10px 14px;
  vertical-align: middle;
  border-color: var(--color-border);
}

.estock-table tfoot td {
  background: var(--color-surface-2);
  border-top: 2px solid var(--color-border);
  font-size: 13px;
}

.stock-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  padding: 0 8px;
}

.stock-badge--recommended { background: #e8f0ff; color: var(--color-primary); }
.stock-badge--whmcs        { background: #d1fae5; color: #065f46; }
.stock-badge--final        { background: var(--color-primary); color: #fff; }

.stock-manual-input {
  font-family: var(--font-display);
  font-weight: 700;
  text-align: center;
}

.btn-ghost-danger {
  background: none;
  border: none;
  color: var(--color-text-muted);
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-ghost-danger:hover { background: #fee2e2; color: var(--color-danger); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26,110,245,.35);
}

.btn-success { font-weight: 600; }

/* ============================================================
   EMPTY STATES
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
  grid-column: 1 / -1;
}

.empty-state i {
  font-size: 40px;
  margin-bottom: 12px;
  display: block;
  opacity: .4;
}

.empty-state-full {
  text-align: center;
  padding: 80px 20px;
  color: var(--color-text-muted);
}

.empty-state-full i {
  font-size: 64px;
  margin-bottom: 16px;
  display: block;
  opacity: .3;
}

.empty-state-full h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 8px;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-body {
  background: #f0f4f8;
  min-height: 100vh;
}

.login-page {
  display: flex;
  min-height: 100vh;
}

.login-panel-left {
  width: 44%;
  position: relative;
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 50px;
  overflow: hidden;
  flex-direction: column;
}

.login-panel-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 20%, rgba(26,110,245,.25) 0%, transparent 60%),
              radial-gradient(ellipse at 10% 80%, rgba(0,194,255,.15) 0%, transparent 50%);
}

.login-panel-content { position: relative; z-index: 1; max-width: 380px; }

.login-panel-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 40px;
}

.login-panel-logo i {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.login-panel-logo strong { color: var(--color-accent); }

.login-panel-title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
}

.login-panel-sub {
  color: rgba(255,255,255,.6);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 32px;
}

.login-features { display: flex; flex-direction: column; gap: 12px; }

.login-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: rgba(255,255,255,.75);
}

.login-feature i { color: var(--color-accent); font-size: 16px; }

.login-panel-badge {
  margin-top: 40px;
  display: inline-block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.3);
  border: 1px solid rgba(255,255,255,.1);
  padding: 5px 12px;
  border-radius: 20px;
}

.login-panel-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  background: #fff;
}

.login-box {
  width: 100%;
  max-width: 400px;
}

.login-logo-mobile {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--color-secondary);
  margin-bottom: 32px;
}

.login-logo-mobile i {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
}

.login-logo-mobile strong { color: var(--color-primary); }

.login-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 8px;
}

.login-subtitle {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  line-height: 1.5;
}

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 13px 20px;
  background: #fff;
  border: 1.5px solid #dadce0;
  border-radius: 8px;
  font-family: 'Google Sans', var(--font-body), sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: #3c4043;
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

.btn-google:hover {
  background: #f8f9fa;
  border-color: #c5c9cc;
  color: #3c4043;
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
}

.btn-google-icon { width: 20px; height: 20px; flex-shrink: 0; }

.login-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 24px;
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.login-note i { font-size: 14px; flex-shrink: 0; margin-top: 1px; color: var(--color-primary); }

.login-footer {
  margin-top: 48px;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ============================================================
   MODALS
   ============================================================ */
.modal-content {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 20px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
}

.modal-footer { border-top: 1px solid var(--color-border); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 991.98px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .sidebar-overlay.open {
    display: block;
  }

  .main-wrapper { margin-left: 0; }

  .topbar {
    left: 0;
  }

  .login-panel-left { display: none !important; }
  .login-panel-right { padding: 40px 24px; }
}

@media (max-width: 575.98px) {
  .page-header { flex-direction: column; }
  .kpi-value { font-size: 22px; }
  .offers-grid { grid-template-columns: 1fr 1fr; }
  .scenarios-grid { grid-template-columns: 1fr; }
  .strategy-selector { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  border: none;
}

.alert-success { background: #d1fae5; color: #065f46; }
.alert-danger   { background: #fee2e2; color: #991b1b; }
.alert-warning  { background: #fef3c7; color: #92400e; }
.alert-info     { background: #dbeafe; color: #1e40af; }