/* ============================================
   WA Tracker — Design System
   Dark panel, WhatsApp green accent
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
/* fallback se Google Fonts não carregar */

:root {
  --bg-base:      #0d0f14;
  --bg-surface:   #151820;
  --bg-elevated:  #1c2030;
  --bg-hover:     #222840;
  --border:       #2a2e3d;
  --border-light: #343a4f;

  --green:        #25d366;
  --green-dim:    #1a9e4a;
  --green-glow:   rgba(37,211,102,0.12);
  --blue:         #4f8ef7;
  --orange:       #f7944f;
  --red:          #f74f4f;
  --purple:       #9b6dff;

  --text-primary:   #e8eaf0;
  --text-secondary: #8892a4;
  --text-muted:     #555f72;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --font-main: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-sm:  0 1px 4px rgba(0,0,0,.4);
  --shadow-md:  0 4px 16px rgba(0,0,0,.5);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.6);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-main);
  background: var(--bg-base);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--green); text-decoration: none; }
a:hover { color: var(--text-primary); }

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

/* Sidebar */
.sidebar {
  width: 230px;
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-logo .logo-icon {
  width: 34px; height: 34px;
  background: var(--green);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.sidebar-logo .logo-text {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -.3px;
  color: var(--text-primary);
  line-height: 1.2;
}
.sidebar-logo .logo-sub {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: .5px;
  text-transform: uppercase;
}

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

.nav-section {
  padding: 8px 12px 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px 9px 20px;
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  transition: all .15s;
  border-left: 3px solid transparent;
  cursor: pointer;
}
.nav-item:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.nav-item.active {
  color: var(--green);
  background: var(--green-glow);
  border-left-color: var(--green);
}
.nav-item .nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}
.nav-badge {
  margin-left: auto;
  background: var(--green);
  color: #000;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
}

.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}
.sidebar-footer a { color: var(--text-muted); }
.sidebar-footer a:hover { color: var(--red); }

/* Main content */
.main-content {
  margin-left: 230px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: 56px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}
.topbar-breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
}
.topbar-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }

.page-body {
  padding: 24px;
  flex: 1;
}

/* ============================================
   COMPONENTS
   ============================================ */

/* Cards */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}
.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Stat Cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}
.stat-card .stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -1px;
  line-height: 1;
}
.stat-card .stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}
.stat-card.accent-green { border-color: var(--green-dim); }
.stat-card.accent-green .stat-value { color: var(--green); }
.stat-card.accent-blue .stat-value { color: var(--blue); }
.stat-card.accent-orange .stat-value { color: var(--orange); }
.stat-card.accent-purple .stat-value { color: var(--purple); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-main);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s;
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: var(--green);
  color: #000;
  font-weight: 600;
}
.btn-primary:hover { background: #20c55e; color: #000; }
.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--border-light); background: var(--bg-hover); }
.btn-danger {
  background: transparent;
  color: var(--red);
  border-color: var(--red);
}
.btn-danger:hover { background: rgba(247,79,79,.1); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-icon { padding: 7px; }

/* Tables */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
thead th {
  background: var(--bg-elevated);
  padding: 11px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }
tbody td {
  padding: 11px 14px;
  color: var(--text-primary);
  vertical-align: middle;
}
.td-muted { color: var(--text-secondary) !important; }
.td-mono { font-family: var(--font-mono); font-size: 12px; }

/* Badges / Status */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
}
.badge-green  { background: rgba(37,211,102,.15); color: var(--green); }
.badge-red    { background: rgba(247,79,79,.12);  color: var(--red);  }
.badge-orange { background: rgba(247,148,79,.12); color: var(--orange); }
.badge-blue   { background: rgba(79,142,247,.12); color: var(--blue); }
.badge-purple { background: rgba(155,109,255,.12); color: var(--purple); }
.badge-gray   { background: var(--bg-elevated);  color: var(--text-muted); }

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}
.status-dot.green  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.status-dot.red    { background: var(--red); }
.status-dot.orange { background: var(--orange); }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: .3px;
}
.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}
.form-control {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 13.5px;
  padding: 9px 12px;
  transition: border-color .15s;
  outline: none;
}
.form-control:focus { border-color: var(--green); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control option { background: var(--bg-elevated); }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Flash messages */
.flash {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.flash-success { background: rgba(37,211,102,.1); border: 1px solid var(--green-dim); color: var(--green); }
.flash-error   { background: rgba(247,79,79,.1);  border: 1px solid var(--red);       color: var(--red); }
.flash-info    { background: rgba(79,142,247,.1);  border: 1px solid var(--blue);      color: var(--blue); }

/* Timeline de eventos */
.timeline { list-style: none; position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 15px; top: 4px; bottom: 0;
  width: 1px;
  background: var(--border);
}
.timeline-item {
  display: flex;
  gap: 14px;
  padding-bottom: 18px;
  position: relative;
}
.timeline-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 2px solid var(--bg-surface);
  flex-shrink: 0;
  margin-top: 4px;
  z-index: 1;
}
.timeline-dot.green  { background: var(--green); }
.timeline-dot.blue   { background: var(--blue); }
.timeline-dot.orange { background: var(--orange); }
.timeline-dot.red    { background: var(--red); }
.timeline-dot.gray   { background: var(--border-light); }
.timeline-content { flex: 1; }
.timeline-title { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.timeline-time  { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* QR Code modal */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.modal-sub   { color: var(--text-secondary); font-size: 13px; margin-bottom: 24px; }
.qr-container {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 16px;
  display: inline-block;
  margin-bottom: 20px;
}
.qr-container img { display: block; width: 220px; height: 220px; }

/* Pill tabs */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: 20px;
  width: fit-content;
}
.tab-btn {
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: var(--font-main);
  transition: all .15s;
}
.tab-btn.active {
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Search bar */
.search-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.search-bar .form-control { max-width: 240px; }

/* Connect page (pública) */
.connect-page {
  min-height: 100vh;
  background: var(--bg-base);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.connect-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.connect-logo {
  width: 56px; height: 56px;
  background: var(--green);
  border-radius: var(--radius-md);
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.connect-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.connect-sub {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 28px;
  line-height: 1.6;
}
.connect-step {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: left;
  margin-bottom: 8px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.step-num {
  width: 24px; height: 24px;
  background: var(--green);
  border-radius: 50%;
  color: #000;
  font-size: 12px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.step-text { font-size: 13px; color: var(--text-secondary); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; opacity: .4; }
.empty-state p { font-size: 14px; }

/* Misc */
.divider { height: 1px; background: var(--border); margin: 20px 0; }
.text-mono { font-family: var(--font-mono); }
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }
.text-orange { color: var(--orange); }
.text-blue   { color: var(--blue); }
.text-muted  { color: var(--text-muted); }
.text-sm     { font-size: 12px; }
.fw-600      { font-weight: 600; }
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-8       { gap: 8px; }
.gap-12      { gap: 12px; }
.mb-0        { margin-bottom: 0; }
.mb-16       { margin-bottom: 16px; }
.mb-24       { margin-bottom: 24px; }
.mt-8        { margin-top: 8px; }
.ml-auto     { margin-left: auto; }

/* Copy token */
.copy-field {
  display: flex;
  align-items: center;
  gap: 0;
}
.copy-field .form-control {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
}
.copy-field .btn {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  border: 1px solid var(--border);
  border-left: none;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }