/* ============================================================
   iMattar Merchant — merchant.css
   Design system, layout, components, responsive
============================================================ */

/* ---- CSS Variables ---- */
:root {
  --color-primary:        #E85D24;
  --color-primary-dark:   #c94d1a;
  --color-primary-light:  #fff3ee;
  --color-bg:             #F5F6FA;
  --color-sidebar:        #1A1A2E;
  --color-sidebar-hover:  #2a2a4a;
  --color-sidebar-active: #E85D24;
  --color-card:           #ffffff;
  --color-text:           #333333;
  --color-text-secondary: #666666;
  --color-border:         #e5e7eb;
  --color-success:        #22c55e;
  --color-success-bg:     #f0fdf4;
  --color-warning:        #f59e0b;
  --color-warning-bg:     #fffbeb;
  --color-error:          #ef4444;
  --color-error-bg:       #fef2f2;
  --color-info:           #3b82f6;
  --sidebar-width:        240px;
  --header-height:        64px;
  --radius:               8px;
  --radius-lg:            12px;
  --shadow:               0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:            0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:            0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
  --transition:           0.2s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ---- Utility ---- */
.hidden { display: none !important; }
.text-primary  { color: var(--color-primary); }
.text-success  { color: var(--color-success); }
.text-error    { color: var(--color-error); }
.text-warning  { color: var(--color-warning); }
.text-muted    { color: var(--color-text-secondary); }
.required      { color: var(--color-error); }


/* ============================================================
   LOGO
============================================================ */
.logo-text {
  font-size: 1.6rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.5px;
}
.logo-text.sm { font-size: 1.2rem; }
.logo-accent { color: var(--color-primary); }


/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
  white-space: nowrap;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-dark); }
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover:not(:disabled) { background: var(--color-primary-light); }
.btn-danger {
  background: var(--color-error);
  color: #fff;
}
.btn-danger:hover:not(:disabled) { background: #dc2626; }
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
}
.btn-ghost:hover:not(:disabled) { background: var(--color-bg); }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-icon { padding: 9px 10px; }
.btn-link {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  padding: 0;
}
.btn-link:hover { text-decoration: underline; }


/* ============================================================
   FORM ELEMENTS
============================================================ */
.input {
  display: block;
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(232,93,36,.12);
}
.input::placeholder { color: #aaa; }
select.input { -webkit-appearance: none; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23666' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }
.select-sm { width: auto; padding: 7px 28px 7px 10px; font-size: 0.82rem; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: 0.82rem; font-weight: 500; color: var(--color-text); }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-full { grid-column: 1 / -1; }
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
.form-card { padding: 24px; }


/* ============================================================
   CARDS
============================================================ */
.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}
.card-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Stat Cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-left: 4px solid var(--color-primary);
  transition: transform var(--transition);
}
.stat-card:hover { transform: translateY(-2px); }
.stat-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.stat-card-label { font-size: 0.78rem; color: var(--color-text-secondary); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card-value { font-size: 1.6rem; font-weight: 700; color: var(--color-text); }


/* ============================================================
   TABLES
============================================================ */
.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.data-table th {
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 16px;
  text-align: left;
  white-space: nowrap;
}
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { cursor: pointer; transition: background var(--transition); }
.data-table tbody tr:hover { background: #fafbfc; }
.data-table td.empty { text-align: center; color: var(--color-text-secondary); padding: 32px; cursor: default; }
.product-thumb {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--color-bg);
}
.product-thumb-placeholder {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--color-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #bbb;
  font-size: 1rem;
}
.product-name-cell { display: flex; align-items: center; gap: 10px; }


/* ============================================================
   STATUS BADGES
============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge-active, .badge-ACTIVE   { background: var(--color-success-bg); color: var(--color-success); }
.badge-inactive, .badge-INACTIVE { background: #f1f5f9; color: #64748b; }
.badge-PENDING    { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-APPROVED   { background: var(--color-success-bg); color: var(--color-success); }
.badge-FULFILLED  { background: #eff6ff; color: var(--color-info); }
.badge-REJECTED   { background: var(--color-error-bg); color: var(--color-error); }
.badge-airtime    { background: #eff6ff; color: var(--color-info); }
.badge-voucher    { background: var(--color-primary-light); color: var(--color-primary); }
.badge-product    { background: var(--color-success-bg); color: var(--color-success); }


/* ============================================================
   PAGINATION
============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px;
}
.page-btn {
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--color-border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}
.page-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.page-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }


/* ============================================================
   TABLE TOOLBAR
============================================================ */
.table-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.search-wrap { position: relative; flex: 1; min-width: 200px; }
.search-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: #aaa; font-size: 0.85rem; pointer-events: none; }
.search-input { padding-left: 32px; }


/* ============================================================
   PAGE LAYOUT
============================================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h1 { font-size: 1.35rem; font-weight: 700; color: var(--color-text); }
.page-subtitle { font-size: 0.82rem; color: var(--color-text-secondary); }


/* ============================================================
   LOGIN
============================================================ */
.view-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1A1A2E 0%, #16213e 60%, #0f3460 100%);
  padding: 20px;
}
.login-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}
.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 28px;
}
.login-subtitle { font-size: 0.78rem; color: var(--color-text-secondary); margin-top: 4px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; }
.login-logo .logo-text { color: var(--color-sidebar); font-size: 2rem; }
.login-card h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.login-hint { font-size: 0.85rem; color: var(--color-text-secondary); margin-bottom: 20px; }
.phone-input-wrap { display: flex; border: 1.5px solid var(--color-border); border-radius: var(--radius); overflow: hidden; transition: border-color var(--transition), box-shadow var(--transition); }
.phone-input-wrap:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(232,93,36,.12); }
.phone-prefix { padding: 9px 12px; background: var(--color-bg); font-size: 0.9rem; font-weight: 500; color: var(--color-text-secondary); border-right: 1.5px solid var(--color-border); white-space: nowrap; }
.phone-input { border: none !important; box-shadow: none !important; border-radius: 0; }
.phone-input:focus { box-shadow: none; }
.login-apply-link { text-align: center; margin-top: 18px; font-size: 0.82rem; color: var(--color-text-secondary); }

/* OTP grid */
.otp-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-bottom: 20px; }
.otp-input {
  width: 100%;
  aspect-ratio: 1;
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.otp-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(232,93,36,.12); }
.otp-input.filled { border-color: var(--color-primary); background: var(--color-primary-light); }
.resend-wrap { text-align: center; margin-top: 14px; font-size: 0.83rem; color: var(--color-text-secondary); }
.back-link { display: block; text-align: center; margin-top: 14px; font-size: 0.83rem; }


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

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--color-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 200;
  transition: transform var(--transition);
}
.sidebar-logo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-close-btn { display: none; background: none; border: none; color: rgba(255,255,255,.6); cursor: pointer; font-size: 1.1rem; }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  color: rgba(255,255,255,.65);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  text-decoration: none !important;
}
.nav-item i { width: 18px; text-align: center; font-size: 0.95rem; }
.nav-item:hover { background: var(--color-sidebar-hover); color: rgba(255,255,255,.9); }
.nav-item.active { background: rgba(232,93,36,.18); color: var(--color-primary); border-left: 3px solid var(--color-primary); }
.nav-logout { color: rgba(255,255,255,.5); }
.nav-logout:hover { background: rgba(239,68,68,.15); color: var(--color-error); }
.sidebar-footer { padding: 12px 0; border-top: 1px solid rgba(255,255,255,.08); }

/* SIDEBAR OVERLAY */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 150;
}
.sidebar-overlay.visible { display: block; }

/* MAIN AREA */
.main-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
}

/* HEADER */
.header {
  height: var(--header-height);
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.hamburger { display: none; background: none; border: none; font-size: 1.2rem; color: var(--color-text); cursor: pointer; }
.header-brand { flex: 1; }
.header-brand .logo-text { color: var(--color-sidebar); }
.header-right { display: flex; align-items: center; gap: 12px; }
.header-user { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 500; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.85rem; flex-shrink: 0; }

/* MAIN CONTENT */
.main-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* VIEWS */
.view { display: block; }


/* ============================================================
   DASHBOARD GRID
============================================================ */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.campaigns-scroll {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.campaign-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 16px;
  min-width: 200px;
  flex-shrink: 0;
  border-left: 3px solid var(--color-primary);
}
.campaign-card h4 { font-size: 0.875rem; font-weight: 600; margin-bottom: 4px; }
.campaign-card p  { font-size: 0.78rem; color: var(--color-text-secondary); }
.empty-state { color: var(--color-text-secondary); text-align: center; padding: 24px; font-size: 0.875rem; }


/* ============================================================
   FAB
============================================================ */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  z-index: 90;
  transition: background var(--transition), transform var(--transition);
}
.fab:hover { background: var(--color-primary-dark); transform: scale(1.07); }


/* ============================================================
   BARCODE INPUT
============================================================ */
.barcode-wrap { display: flex; gap: 8px; }
.barcode-wrap .input { flex: 1; }


/* ============================================================
   UPLOAD
============================================================ */
.upload-info { padding: 20px 20px 0; }
.upload-info p { font-size: 0.875rem; color: var(--color-text-secondary); margin-bottom: 6px; }
.upload-info code { background: var(--color-bg); padding: 2px 6px; border-radius: 4px; font-size: 0.8rem; color: var(--color-primary); }
.upload-zone {
  margin: 16px 20px 0;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  text-align: center;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.upload-icon { font-size: 2.5rem; color: var(--color-primary); }
.upload-zone p { font-size: 0.9rem; color: var(--color-text-secondary); }
.upload-zone span { font-size: 0.82rem; color: var(--color-text-secondary); }
.upload-accepted { font-size: 0.75rem !important; color: #bbb !important; }
.upload-browse-btn { cursor: pointer; }
.hidden-input { display: none; }
.upload-file-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--color-success-bg);
  border-radius: 8px;
  margin: 12px 20px 0;
  font-size: 0.875rem;
  color: var(--color-success);
}
.upload-file-info i { font-size: 1.2rem; }
.upload-file-info span { flex: 1; font-weight: 500; }
.upload-result {
  margin: 16px 20px;
  padding: 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
}
.upload-result.success { background: var(--color-success-bg); color: #166534; border: 1px solid #bbf7d0; }
.upload-result.error   { background: var(--color-error-bg);   color: #991b1b; border: 1px solid #fecaca; }


/* ============================================================
   ANALYTICS
============================================================ */
.period-selector { display: flex; gap: 6px; }
.period-btn {
  padding: 7px 16px;
  border-radius: 20px;
  border: 1.5px solid var(--color-border);
  background: #fff;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.period-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.period-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.chart-card { padding: 0 0 16px; }
.chart-card canvas { max-height: 260px; padding: 0 16px; }
.chart-card-sm { grid-column: span 1; }
.analytics-tables { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }


/* ============================================================
   REWARDS
============================================================ */
.rewards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.reward-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.reward-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.reward-thumb {
  width: 100%;
  height: 140px;
  object-fit: cover;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ddd;
  font-size: 2rem;
}
.reward-thumb-placeholder { width: 100%; height: 140px; display: flex; align-items: center; justify-content: center; background: var(--color-bg); color: #ccc; font-size: 2.5rem; }
.reward-body { padding: 14px; }
.reward-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; }
.reward-meta { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--color-text-secondary); flex-wrap: wrap; }
.reward-points { font-weight: 700; color: var(--color-primary); }


/* ============================================================
   SETTINGS PLACEHOLDER
============================================================ */
.settings-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 60px 20px;
  color: var(--color-text-secondary);
  text-align: center;
}
.settings-icon { font-size: 3rem; color: var(--color-border); }
.settings-placeholder h3 { font-size: 1.1rem; color: var(--color-text); }
.settings-placeholder p { font-size: 0.875rem; }


/* ============================================================
   TOAST NOTIFICATIONS
============================================================ */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 340px;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  animation: toast-in 0.3s ease;
  cursor: pointer;
}
.toast.toast-success { background: #fff; border-left: 4px solid var(--color-success); color: var(--color-text); }
.toast.toast-error   { background: #fff; border-left: 4px solid var(--color-error);   color: var(--color-text); }
.toast.toast-warning { background: #fff; border-left: 4px solid var(--color-warning); color: var(--color-text); }
.toast.toast-info    { background: #fff; border-left: 4px solid var(--color-info);    color: var(--color-text); }
.toast-icon  { margin-top: 1px; font-size: 1rem; }
.toast-success .toast-icon { color: var(--color-success); }
.toast-error   .toast-icon { color: var(--color-error); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-info    .toast-icon { color: var(--color-info); }
.toast-msg { flex: 1; line-height: 1.4; }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(100%); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); max-height: 80px; }
  to   { opacity: 0; transform: translateX(100%); max-height: 0; padding: 0; margin: 0; }
}
.toast.hiding { animation: toast-out 0.3s ease forwards; }


/* ============================================================
   MODAL
============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 8000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.modal-icon { font-size: 2.5rem; color: var(--color-warning); margin-bottom: 12px; }
.modal-box h3 { font-size: 1.1rem; margin-bottom: 8px; }
.modal-box p  { font-size: 0.875rem; color: var(--color-text-secondary); margin-bottom: 24px; }
.modal-actions { display: flex; gap: 10px; justify-content: center; }


/* ============================================================
   LOADING OVERLAY / SPINNER
============================================================ */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.55);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}
.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }


/* ============================================================
   RESPONSIVE — MOBILE (< 768px)
============================================================ */
@media (max-width: 768px) {

  /* Sidebar off-canvas */
  .sidebar {
    transform: translateX(calc(-1 * var(--sidebar-width)));
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-close-btn { display: block; }
  .sidebar-overlay { display: block; }

  /* Main area full width */
  .main-area { margin-left: 0; }

  /* Header: show hamburger, hide brand */
  .hamburger { display: flex; }
  .header-brand { display: none; }
  #header-username { display: none; }
  .hide-xs { display: none; }

  /* Main content */
  .main-content { padding: 16px; }

  /* Stat grid: 2 col */
  .stat-grid { grid-template-columns: repeat(2, 1fr); }

  /* Dashboard grid: 1 col */
  .dashboard-grid { grid-template-columns: 1fr; }
  .analytics-tables { grid-template-columns: 1fr; }
  .charts-grid { grid-template-columns: 1fr; }

  /* Form grid: 1 col */
  .form-grid { grid-template-columns: 1fr; }
  .form-full { grid-column: auto; }

  /* Period selector: smaller */
  .period-selector { flex-wrap: wrap; }
  .period-btn { padding: 5px 12px; font-size: 0.78rem; }

  /* Page header wrap */
  .page-header { flex-direction: column; align-items: flex-start; }

  /* Rewards grid: 2 col */
  .rewards-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }

  /* FAB: lower on mobile */
  .fab { bottom: 20px; right: 16px; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .login-card { padding: 28px 20px; }
  .otp-grid { gap: 6px; }
  .stat-card-value { font-size: 1.3rem; }
}