/* ============================================================
   Event Tracker — Main Stylesheet
   Xfinity Purple palette + Dark mode toggle + Mobile-first
   ============================================================ */

/* ─── CSS Variables: Light Mode (Default) ─────────────────── */
:root {
  /* Xfinity Brand */
  --xfinity-purple:     #7B2FBE;
  --xfinity-purple-dk:  #5C1F96;
  --xfinity-black:   #1A1A1A;

  /* Surface */
  --bg-page:         #F4F2F8;
  --bg-card:         #FFFFFF;
  --bg-sidebar:      #1A0933;
  --bg-input:        #FFFFFF;
  --bg-hover:        #F0EBF8;
  --bg-badge:        #F3EEFF;

  /* Text */
  --text-primary:    #1A0933;
  --text-secondary:  #4A3F5C;
  --text-muted:      #8A7A9B;
  --text-inverse:    #FFFFFF;
  --text-link:       #7B2FBE;

  /* Borders */
  --border:          #DDD5EB;
  --border-focus:    #7B2FBE;

  /* Status colors */
  --status-interested:       #2563EB;
  --status-already-customer: #7C3AED;
  --status-not-interested:   #6B7280;
  --status-needs-followup:   #D97706;
  --status-sold:             #059669;
  --status-dnc:              #DC2626;

  /* Alerts */
  --alert-error-bg:   #FFF3F3;
  --alert-error-text: #B91C1C;
  --alert-warn-bg:    #FFFBEB;
  --alert-warn-text:  #92400E;
  --alert-ok-bg:      #ECFDF5;
  --alert-ok-text:    #065F46;
  --alert-info-bg:    #F3EEFF;
  --alert-info-text:  #5C1F96;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg:  0 8px 24px rgba(0,0,0,0.12);

  /* Layout */
  --sidebar-width:  240px;
  --topbar-height:  60px;
  --radius:         8px;
  --radius-sm:      4px;
  --radius-lg:      12px;
}

/* ─── Dark Mode Variables ──────────────────────────────────── */
[data-theme="dark"] {
  --bg-page:        #0A0514;
  --bg-card:        #160D2B;
  --bg-sidebar:     #0D0820;
  --bg-input:       #1F1040;
  --bg-hover:       #2A1650;
  --bg-badge:       #2A1650;

  --text-primary:   #EDE8F8;
  --text-secondary: #A892C8;
  --text-muted:     #6B5A85;
  --text-inverse:   #FFFFFF;
  --text-link:      #C084FC;

  --border:         #3D2466;
  --border-focus:   #7B2FBE;

  --alert-error-bg:   #2A0D0D;
  --alert-error-text: #FCA5A5;
  --alert-warn-bg:    #2A1F00;
  --alert-warn-text:  #FCD34D;
  --alert-ok-bg:      #022C22;
  --alert-ok-text:    #6EE7B7;
  --alert-info-bg:    #1E0A3C;
  --alert-info-text:  #C084FC;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg:  0 8px 24px rgba(0,0,0,0.5);
}

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

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  transition: background 0.2s, color 0.2s;
}

a { color: var(--text-link); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, #1A0933 0%, #2D1060 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo h1 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.sidebar-logo span {
  font-size: 12px;
  color: #C084FC;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  position: relative;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  text-decoration: none;
}

.sidebar-nav a.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--xfinity-purple);
  border-radius: 0 2px 2px 0;
}

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

.sidebar-nav .badge {
  margin-left: auto;
  background: var(--xfinity-purple);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.sidebar-nav .nav-section {
  padding: 16px 20px 4px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.35);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.sidebar-footer strong { color: #fff; display: block; margin-bottom: 2px; }

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

/* Topbar */
.topbar {
  height: var(--topbar-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }

.topbar-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Check-in badge in topbar */
.checkin-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--alert-ok-bg);
  color: var(--alert-ok-text);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.checkin-badge.not-checked-in {
  background: var(--alert-warn-bg);
  color: var(--alert-warn-text);
}

/* Page content */
.page-content {
  padding: 24px;
  flex: 1;
}

/* ─── Dark Mode Toggle ─────────────────────────────────────── */
.dark-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  user-select: none;
}

.toggle-track {
  width: 36px;
  height: 20px;
  background: var(--border);
  border-radius: 10px;
  position: relative;
  transition: background 0.2s;
}

.toggle-thumb {
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  position: absolute;
  top: 2px; left: 2px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

[data-theme="dark"] .toggle-track { background: #7B2FBE; }
[data-theme="dark"] .toggle-thumb { transform: translateX(16px); }

/* ─── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

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

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body { padding: 20px; }

/* ─── Stats Grid ───────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-number.red   { color: var(--xfinity-purple); }
.stat-number.green { color: #059669; }
.stat-number.blue  { color: #2563EB; }

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ─── Forms ────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.form-label .required { color: var(--xfinity-purple); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text-primary);
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(227, 0, 15, 0.12);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 80px; }

select.form-control { cursor: pointer; }

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.char-counter {
  font-size: 12px;
  color: var(--text-muted);
  text-align: right;
  margin-top: 2px;
}

.char-counter.warn { color: var(--status-needs-followup); }
.char-counter.over { color: var(--xfinity-purple); font-weight: 600; }

/* Checkboxes / Products */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.checkbox-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.15s;
  user-select: none;
}

.checkbox-pill input[type="checkbox"] { display: none; }

.checkbox-pill:hover {
  border-color: var(--xfinity-purple);
  color: var(--xfinity-purple);
}

.checkbox-pill.checked {
  background: var(--xfinity-purple);
  border-color: var(--xfinity-purple);
  color: #fff;
}

/* Toggle (Yes/No) */
.toggle-group {
  display: flex;
  gap: 0;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
}

.toggle-btn {
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: var(--bg-input);
  color: var(--text-secondary);
  transition: all 0.15s;
}

.toggle-btn.active-yes { background: var(--alert-ok-bg); color: var(--alert-ok-text); font-weight: 600; }
.toggle-btn.active-no  { background: var(--alert-error-bg); color: var(--alert-error-text); font-weight: 600; }

/* Form grid */
.form-grid { display: grid; gap: 0 16px; }
.form-grid-2 { grid-template-columns: 1fr 1fr; }
.form-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-grid-4 { grid-template-columns: 2fr 1fr 1fr 1fr; }

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--xfinity-purple);
  border-color: var(--xfinity-purple);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--xfinity-purple-dk); border-color: var(--xfinity-purple-dk); text-decoration: none; }

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-primary);
}
.btn-secondary:hover:not(:disabled) { background: var(--bg-hover); text-decoration: none; }

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover:not(:disabled) { background: var(--bg-hover); color: var(--text-primary); text-decoration: none; }

.btn-danger {
  background: transparent;
  border-color: var(--xfinity-purple);
  color: var(--xfinity-purple);
}
.btn-danger:hover:not(:disabled) { background: var(--xfinity-purple); color: #fff; text-decoration: none; }

.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 16px; }
.btn-block { width: 100%; }

/* ─── Status Badges ────────────────────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: capitalize;
}

.status-interested       { background: #DBEAFE; color: var(--status-interested); }
.status-already_customer { background: #EDE9FE; color: var(--status-already-customer); }
.status-not_interested   { background: #F3F4F6; color: var(--status-not-interested); }
.status-needs_followup   { background: #FEF3C7; color: var(--status-needs-followup); }
.status-sold             { background: #D1FAE5; color: var(--status-sold); }
.status-dnc              { background: #FEE2E2; color: var(--status-dnc); }

[data-theme="dark"] .status-interested       { background: #1E3A5F; }
[data-theme="dark"] .status-already_customer { background: #2E1A5F; }
[data-theme="dark"] .status-not_interested   { background: #2A2A2A; }
[data-theme="dark"] .status-needs_followup   { background: #3A2A00; }
[data-theme="dark"] .status-sold             { background: #022C22; }
[data-theme="dark"] .status-dnc              { background: #3A0D0D; }

/* Product tags */
.product-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  background: var(--bg-hover);
  color: var(--text-secondary);
  margin: 1px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border);
  background: var(--bg-page);
}

tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

tbody tr:hover { background: var(--bg-hover); }
tbody tr:last-child td { border-bottom: none; }

.row-pastdue td { border-left: 3px solid var(--xfinity-purple); }

/* ─── Alerts ───────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}

.alert-error { background: var(--alert-error-bg); color: var(--alert-error-text); }
.alert-warn  { background: var(--alert-warn-bg);  color: var(--alert-warn-text); }
.alert-ok    { background: var(--alert-ok-bg);    color: var(--alert-ok-text); }
.alert-info  { background: var(--alert-info-bg);  color: var(--alert-info-text); }

/* Duplicate warning */
.duplicate-warning {
  padding: 10px 14px;
  background: var(--alert-warn-bg);
  color: var(--alert-warn-text);
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: none;
  margin-top: 6px;
}

.duplicate-warning.visible { display: block; }

.duplicate-warning a { color: inherit; font-weight: 700; text-decoration: underline; }

/* ─── Login Page ───────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #2D0A5E 0%, #1A0933 60%, #0D0520 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--xfinity-purple);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--xfinity-purple);
}

.auth-logo .logo-xfinity {
  font-size: 13px;
  color: var(--xfinity-purple);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

.otp-input {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 24px 0;
}

.otp-digit {
  width: 48px;
  height: 56px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  transition: border-color 0.15s;
}

.otp-digit:focus {
  outline: none;
  border-color: var(--xfinity-purple);
  box-shadow: 0 0 0 3px rgba(227, 0, 15, 0.12);
}

/* ─── Mobile hamburger ─────────────────────────────────────── */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--text-primary);
  font-size: 22px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 90;
}

/* ─── Pagination ───────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 16px 0;
}

.page-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.page-btn:hover, .page-btn.active {
  background: var(--xfinity-purple);
  border-color: var(--xfinity-purple);
  color: #fff;
}

/* ─── Utility ──────────────────────────────────────────────── */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: 16px; }
.text-muted { color: var(--text-muted); font-size: 13px; }
.text-red { color: var(--xfinity-purple); }
.text-sm { font-size: 13px; }
.fw-bold { font-weight: 700; }
.d-none { display: none; }

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

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

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

  .hamburger { display: block; }

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

  .page-content { padding: 16px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .form-grid-2,
  .form-grid-3,
  .form-grid-4 { grid-template-columns: 1fr; }

  .topbar { padding: 0 16px; }

  .topbar-title { font-size: 15px; }

  .checkin-badge { font-size: 11px; padding: 4px 8px; }

  .auth-card { padding: 28px 20px; }

  table { font-size: 13px; }
  thead th, tbody td { padding: 10px 10px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .otp-input { gap: 6px; }
  .otp-digit { width: 42px; height: 50px; font-size: 20px; }
  .checkbox-group { gap: 6px; }
}