@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600&display=swap');

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

:root {
  --v50:  #f5f3ff;
  --v100: #ede9fe;
  --v200: #ddd6fe;
  --v300: #c4b5fd;
  --v400: #a78bfa;
  --v500: #8b5cf6;
  --v600: #7c3aed;
  --v700: #6d28d9;
  --v800: #5b21b6;
  --v900: #4c1d95;

  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --shadow-sm:  0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:  0 10px 25px rgba(0,0,0,.10), 0 4px 10px rgba(0,0,0,.06);
  --shadow-xl:  0 20px 50px rgba(0,0,0,.12), 0 8px 20px rgba(0,0,0,.07);

  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Accent padrão */
  --accent:       var(--v600);
  --accent-hover: var(--v700);
  --accent-bg:    var(--v50);
  --accent-border:var(--v200);
  --accent-text:  var(--v700);
}

/* ============================================
   MODO CLARO
   ============================================ */
.app.light {
  --bg:          var(--gray-50);
  --bg-card:     #ffffff;
  --bg-sidebar:  #ffffff;
  --bg-hover:    var(--gray-50);
  --border:      var(--gray-200);
  --border-focus:var(--v400);
  --text-primary:   var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted:     var(--gray-400);
  --input-bg:       #ffffff;
}

/* ============================================
   MODO ESCURO
   ============================================ */
.app.dark {
  --bg:          #0f0e17;
  --bg-card:     #1a1828;
  --bg-sidebar:  #13121f;
  --bg-hover:    #23213a;
  --border:      #2e2b45;
  --border-focus:var(--v500);
  --text-primary:   #f0eeff;
  --text-secondary: #a09cbd;
  --text-muted:     #645f80;
  --input-bg:       #1e1c30;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,.35);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.4);
}

/* ============================================
   BASE
   ============================================ */
.app {
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  transition: background .3s var(--ease), color .3s var(--ease);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   LOGIN SCREEN
   ============================================ */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: stretch;
}

.login-panel-left {
  flex: 1;
  background: linear-gradient(135deg, var(--v700) 0%, var(--v500) 60%, var(--v300) 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.login-panel-left::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  top: -150px;
  right: -150px;
}
.login-panel-left::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  bottom: -80px;
  left: 40px;
}

.login-brand {
  position: relative;
  z-index: 1;
}
.login-brand-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 28px;
  font-weight: 500;
  color: #fff;
  letter-spacing: -0.3px;
}
.login-brand-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-top: 6px;
  letter-spacing: 0.3px;
}

.login-panel-left-quote {
  position: relative;
  z-index: 1;
}
.login-panel-left-quote blockquote {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 26px;
  font-weight: 400;
  color: #fff;
  line-height: 1.4;
  font-style: italic;
  opacity: 0.92;
}
.login-panel-left-quote cite {
  display: block;
  font-style: normal;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-top: 14px;
  font-family: 'Inter', sans-serif;
}

.login-panel-right {
  width: 480px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 48px;
}

.dark .login-panel-right {
  background: var(--bg-card);
}

.login-form-wrap {
  width: 100%;
  max-width: 360px;
}

.login-form-wrap h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 30px;
  font-weight: 500;
  color: var(--gray-900);
  margin-bottom: 6px;
  letter-spacing: -0.4px;
  line-height: 1.2;
}

.dark .login-form-wrap h2 { color: var(--text-primary); }

.login-form-wrap > p {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 36px;
}
.dark .login-form-wrap > p { color: var(--text-muted); }

.login-field {
  margin-bottom: 18px;
}

.login-field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 7px;
}

.dark .login-field label { color: var(--text-secondary); }

.login-field input {
  width: 100%;
  padding: 11px 14px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  color: var(--gray-900);
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}

.dark .login-field input {
  background: var(--input-bg);
  border-color: var(--border);
  color: var(--text-primary);
}

.login-field input::placeholder { color: var(--gray-400); }
.login-field input:focus {
  border-color: var(--v400);
  box-shadow: 0 0 0 3px rgba(167,139,250,0.2);
}

.login-submit {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--v600), var(--v500));
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  margin-top: 8px;
  box-shadow: 0 4px 14px rgba(124,58,237,0.4);
  transition: all .2s var(--ease);
  letter-spacing: 0.1px;
}
.login-submit:hover {
  background: linear-gradient(135deg, var(--v700), var(--v600));
  box-shadow: 0 6px 20px rgba(124,58,237,0.5);
  transform: translateY(-1px);
}
.login-submit:active { transform: translateY(0); }

.form-error-msg {
  margin-top: 14px;
  font-size: 13px;
  color: #dc2626;
  background: #fef2f2;
  border: 1px solid #fecaca;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}

.form-switch-prompt a:hover {
  text-decoration: underline !important;
}

@media (max-width: 768px) {
  .login-panel-left { display: none; }
  .login-panel-right { width: 100%; }
}

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

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
  width: 232px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 24px 12px;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 20;
  transition: background .3s;
}

.logo-area {
  padding: 8px 10px 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 20px;
  font-weight: 500;
  color: var(--v600);
  letter-spacing: -0.3px;
}

.dark .logo { color: var(--v400); }

.logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
  letter-spacing: 0.2px;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background .15s, color .15s;
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--v50);
  color: var(--v700);
}

.dark .nav-item.active {
  background: rgba(139,92,246,.15);
  color: var(--v400);
}

.nav-item .icon { font-size: 15px; width: 18px; text-align: center; flex-shrink: 0; }

/* ============================================
   MAIN
   ============================================ */
.main-content {
  flex: 1;
  margin-left: 232px;
  padding: 32px 40px 48px;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 26px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.4px;
}

.header-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.icon-btn {
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all .15s var(--ease);
}
.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--v300);
  box-shadow: var(--shadow-md);
}

/* ============================================
   ALERTS
   ============================================ */
.alerts-container { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }

.alert-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: 13.5px;
}

.alert-card.info    { background:#eff6ff; border-color:#bfdbfe; color:#1d4ed8; }
.alert-card.warning { background:#fffbeb; border-color:#fde68a; color:#92400e; }
.alert-card.success { background:#f0fdf4; border-color:#bbf7d0; color:#166534; }

.dark .alert-card.info    { background:rgba(59,130,246,.1); border-color:rgba(96,165,250,.2); color:#93c5fd; }
.dark .alert-card.warning { background:rgba(245,158,11,.1); border-color:rgba(252,211,77,.2); color:#fcd34d; }
.dark .alert-card.success { background:rgba(16,185,129,.1); border-color:rgba(110,231,183,.2); color:#6ee7b7; }

.alert-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.alert-message { font-size: 13.5px; line-height: 1.5; }

/* ============================================
   HERO CARD
   ============================================ */
.hero-section { margin-bottom: 24px; }

.score-hero {
  background: linear-gradient(135deg, var(--v700) 0%, var(--v500) 100%);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(124,58,237,.35);
}

.score-hero::before {
  content: '';
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  top: -100px; right: -80px;
}
.score-hero::after {
  content: '';
  position: absolute;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  bottom: -50px; left: 200px;
}

.score-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  opacity: 0.7;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.score-value {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 80px;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -3px;
  position: relative;
  z-index: 1;
}

.score-message {
  font-size: 15px;
  opacity: 0.85;
  position: relative;
  z-index: 1;
}

.progress-bar {
  height: 5px;
  border-radius: 100px;
  background: rgba(255,255,255,.25);
  margin-top: 22px;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.progress-fill {
  height: 100%;
  background: rgba(255,255,255,0.75);
  border-radius: 100px;
  transition: width .5s var(--ease);
}

/* Cards normais */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, border-color .2s;
}
.glass-card:hover { box-shadow: var(--shadow-md); border-color: var(--v200); }
.dark .glass-card:hover { border-color: rgba(167,139,250,.25); }

.widgets-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 22px;
}

/* Progress no interior dos cards */
.glass-card .progress-bar {
  background: var(--gray-100);
  margin: 10px 0;
}
.dark .glass-card .progress-bar { background: rgba(255,255,255,.07); }
.glass-card .progress-fill { background: linear-gradient(90deg, var(--v500), var(--v400)); }

.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.card-title {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.metric-value {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 32px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

/* ============================================
   GRID PRIMARY
   ============================================ */
.grid-primary {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 18px;
  margin-bottom: 22px;
}

/* ============================================
   CHART
   ============================================ */
.chart-container {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  height: 170px;
  margin-top: 12px;
  padding: 0 2px;
}
.chart-bar-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
}
.chart-bar {
  width: 100%;
  border-radius: 5px 5px 3px 3px;
  background: var(--v100);
  border: 1.5px solid var(--v200);
  transition: all .3s var(--ease);
  min-height: 4px;
}
.dark .chart-bar {
  background: rgba(139,92,246,.15);
  border-color: rgba(139,92,246,.35);
}
.chart-bar:hover { background: var(--v500); border-color: var(--v500); }
.chart-label { font-size: 11px; color: var(--text-muted); margin-top: 7px; font-weight: 500; }
.chart-value { font-size: 10.5px; color: var(--v600); margin-top: 2px; font-weight: 600; }
.dark .chart-value { color: var(--v400); }

/* ============================================
   TASK LIST
   ============================================ */
.task-list { display: flex; flex-direction: column; gap: 1px; }

.task-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .13s;
}
.task-item:hover { background: var(--bg-hover); }

.task-check {
  width: 17px;
  height: 17px;
  border-radius: 50%;
  border: 1.5px solid var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .18s;
}
.dark .task-check { border-color: var(--border); }
.task-check.done { background: var(--v500); border-color: var(--v500); }

.task-text { flex: 1; font-size: 14px; color: var(--text-primary); line-height: 1.4; }
.task-text.done { text-decoration: line-through; color: var(--text-muted); }

.add-task {
  display: flex;
  gap: 7px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.add-task input {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  background: var(--input-bg, #fff);
  color: var(--text-primary);
  font-size: 13.5px;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.add-task input::placeholder { color: var(--text-muted); }
.add-task input:focus {
  border-color: var(--v400);
  box-shadow: 0 0 0 3px rgba(167,139,250,.18);
}

/* ============================================
   FOCUS CARD
   ============================================ */
.focus-card { text-align: center; padding: 48px 36px; }

.focus-timer {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 76px;
  font-weight: 500;
  color: var(--v600);
  letter-spacing: -3px;
  margin: 24px 0;
  line-height: 1;
  font-feature-settings: 'tnum';
}
.dark .focus-timer { color: var(--v400); }

.focus-btn {
  width: 100%;
  padding: 13px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  border: none;
  transition: all .2s var(--ease);
}
.focus-btn.start {
  background: linear-gradient(135deg, var(--v600), var(--v500));
  color: #fff;
  box-shadow: 0 4px 14px rgba(124,58,237,.4);
}
.focus-btn.start:hover {
  box-shadow: 0 6px 20px rgba(124,58,237,.5);
  transform: translateY(-1px);
}
.focus-btn.stop { background: #dc2626; color: #fff; box-shadow: 0 4px 12px rgba(220,38,38,.3); }
.focus-btn.stop:hover { background: #b91c1c; transform: translateY(-1px); }

/* ============================================
   TOAST
   ============================================ */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--v500);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  max-width: 300px;
  animation: toastIn .28s var(--ease);
}
.toast strong { font-size: 14px; font-weight: 600; }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)   scale(1);    }
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  padding: 24px;
  text-align: center;
  gap: 8px;
}

.empty-state-icon {
  font-size: 36px;
  opacity: 0.5;
  margin-bottom: 4px;
  line-height: 1;
}

.empty-state-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.empty-state-msg {
  font-size: 12.5px;
  color: var(--text-muted);
  max-width: 240px;
  line-height: 1.5;
}

/* ============================================
   UTILITÁRIOS DE CARDS
   ============================================ */
.card-goal {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

/* ============================================
   FOCUS CARD EXTRAS
   ============================================ */
.focus-card-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.focus-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 20px;
}

/* ============================================
   INSIGHTS
   ============================================ */
.insight-msg {
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 14px;
  line-height: 1.6;
}
.insight-tip-box {
  padding: 14px 16px;
  background: var(--v50);
  border: 1px solid var(--v100);
  border-radius: var(--radius-md);
  font-size: 13.5px;
  color: var(--v700);
}
.dark .insight-tip-box {
  background: rgba(139,92,246,.1);
  border-color: rgba(139,92,246,.2);
  color: var(--v300);
}

/* ============================================
   SETTINGS
   ============================================ */
.settings-field {
  margin-bottom: 18px;
}
.settings-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 7px;
}
.settings-select {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--text-primary);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color .15s;
  cursor: pointer;
}
.settings-select:focus { border-color: var(--v400); }

/* ============================================
   MOBILE BOTTOM NAV
   ============================================ */
.mobile-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom, 0);
  box-shadow: 0 -4px 20px rgba(0,0,0,.08);
}

.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 4px 8px;
  cursor: pointer;
  transition: all .15s;
  gap: 3px;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2px;
  border-radius: 0;
}

.mobile-nav-item span:first-child { font-size: 20px; }

.mobile-nav-item.active {
  color: var(--v600);
}

.mobile-nav-item:active { background: var(--bg-hover); }

/* ============================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .sidebar { width: 62px; padding: 20px 8px; }
  .sidebar .logo-sub, .sidebar .nav-item span:not(.icon) { display: none; }
  .logo { font-size: 16px; text-align: center; }
  .main-content { margin-left: 62px; padding: 24px 20px; }
  .grid-primary { grid-template-columns: 1fr; }
  .widgets-row { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

/* ============================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================ */
@media (max-width: 768px) {
  /* Login: empilha em coluna */
  .login-screen { flex-direction: column; }
  .login-panel-left {
    min-height: 200px;
    padding: 32px 28px;
    flex: none;
  }
  .login-panel-left-quote blockquote { font-size: 18px; }
  .login-panel-right { width: 100%; padding: 36px 24px; flex: 1; }

  /* Dashboard: sem sidebar, nav inferior */
  .sidebar { display: none; }
  .main-content {
    margin-left: 0;
    padding: 20px 16px 90px; /* espaço para nav inferior */
  }

  /* Widgets em coluna */
  .widgets-row { grid-template-columns: 1fr; gap: 12px; }
  .grid-primary { grid-template-columns: 1fr; gap: 12px; }

  /* Score hero menor */
  .score-hero { padding: 28px 24px; }
  .score-value { font-size: 60px; }
  .score-message { font-size: 14px; }

  /* Focus timer menor */
  .focus-card { padding: 36px 20px; }
  .focus-timer { font-size: 60px; }

  /* Top bar mais compacta */
  .top-bar { margin-bottom: 20px; }
  .page-title { font-size: 22px; }
  .header-actions { gap: 6px; }
  .icon-btn { padding: 7px 11px; font-size: 12px; }
}

/* ============================================
   RESPONSIVE — PEQUENO (≤ 400px)
   ============================================ */
@media (max-width: 400px) {
  .main-content { padding: 16px 12px 90px; }
  .glass-card { padding: 16px; }
  .score-value { font-size: 52px; }
  .focus-timer { font-size: 52px; }
}

/* ============================================
   LANDING PAGE STYLES
   ============================================ */
.landing-page {
  width: 100%;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background 0.3s;
}

.landing-header {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.landing-logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--v600);
}
.dark .landing-logo {
  color: var(--v400);
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.landing-nav a {
  text-decoration: none;
  font-size: 14.5px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}

.landing-nav a:hover {
  color: var(--v600);
}

.landing-cta-btn {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
}

.landing-cta-btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.landing-cta-btn.secondary:hover {
  background: var(--bg-hover);
  border-color: var(--v300);
}

.landing-cta-btn.primary {
  background: linear-gradient(135deg, var(--v600), var(--v500));
  color: #fff;
  border: none;
  box-shadow: 0 4px 12px rgba(124,58,237,0.25);
}

.landing-cta-btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(124,58,237,0.35);
}

/* Hero Section */
.landing-hero {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 32px 100px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--v600);
  background: var(--v50);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
  border: 1px solid var(--v100);
}
.dark .hero-tag {
  color: var(--v300);
  background: rgba(139,92,246,0.1);
  border-color: rgba(139,92,246,0.2);
}

.hero-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--v600), var(--v400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 16.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
}

.landing-btn-primary {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--v600), var(--v500));
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(124,58,237,0.3);
  transition: all 0.2s;
}

.landing-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124,58,237,0.4);
}

.landing-btn-secondary {
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}

.landing-btn-secondary:hover {
  color: var(--v600);
}

/* Mockup Visual */
.hero-preview-wrapper {
  display: flex;
  justify-content: center;
  perspective: 1000px;
}

.hero-preview-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: rotateY(-6deg) rotateX(4deg);
  transition: transform 0.5s;
}

.hero-preview-card:hover {
  transform: rotateY(0deg) rotateX(0deg) scale(1.02);
}

.preview-header {
  background: var(--bg-hover);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.preview-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.preview-dot.red { background: #ef4444; }
.preview-dot.yellow { background: #f59e0b; }
.preview-dot.green { background: #10b981; }

.preview-title {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  margin-left: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.preview-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.preview-widget {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
}

.preview-widget-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.preview-widget-value {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 4px;
}

.preview-progress {
  height: 4px;
  background: var(--border);
  border-radius: 10px;
  margin-top: 10px;
  overflow: hidden;
}

.preview-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--v500), var(--v400));
}

.preview-insight {
  font-size: 12px;
  color: var(--v700);
  background: var(--v50);
  padding: 10px;
  border-radius: var(--radius-md);
  margin-top: 6px;
  font-style: italic;
}
.dark .preview-insight {
  color: var(--v300);
  background: rgba(139,92,246,0.1);
}

/* Features section */
.landing-features {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.features-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.features-subtitle {
  font-size: 15.5px;
  color: var(--text-secondary);
  margin-bottom: 54px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: left;
  transition: all 0.25s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--v300);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 20px;
  background: var(--v50);
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dark .feature-icon {
  background: rgba(139,92,246,0.1);
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Landing Footer */
.landing-footer {
  width: 100%;
  max-width: 1200px;
  margin: auto auto 0 auto;
  padding: 40px 32px;
  text-align: center;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

/* Responsive Landing Page */
@media (max-width: 1024px) {
  .landing-hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-bottom: 60px;
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-title {
    font-size: 40px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .landing-header {
    padding: 16px 20px;
  }
  
  .landing-logo {
    font-size: 20px;
  }
  
  .landing-hero {
    padding: 30px 20px 48px;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .landing-btn-primary {
    width: 100%;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-card {
    padding: 24px 20px;
  }
}

/* ============================================
   CHAT IA STYLES
   ============================================ */
.chat-card {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 180px);
  min-height: 520px;
}

.chat-history-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  margin: 12px 0;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-message {
  display: flex;
  gap: 12px;
  max-width: 85%;
  align-items: flex-start;
  animation: fadeIn 0.25s var(--ease);
}

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-message.assistant {
  align-self: flex-start;
}

.chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--v100);
  color: var(--v700);
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.chat-message.user .chat-avatar {
  background: var(--gray-200);
  color: var(--gray-700);
}

.chat-content-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: calc(100% - 50px);
}

.chat-msg-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  white-space: pre-wrap;
}

.chat-message.user .chat-msg-bubble {
  background: linear-gradient(135deg, var(--v600), var(--v500));
  color: #fff;
  border: none;
  border-radius: 16px 4px 16px 16px;
  box-shadow: 0 4px 12px rgba(124,58,237,0.2);
}

.chat-message.assistant .chat-msg-bubble {
  border-radius: 4px 16px 16px 16px;
}

.reasoning-box {
  background: rgba(139, 92, 246, 0.05);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: var(--radius-md);
  font-size: 12.5px;
  color: var(--v800);
  overflow: hidden;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.dark .reasoning-box {
  background: rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.25);
  color: var(--v200);
}

.reasoning-header {
  padding: 8px 12px;
  font-weight: 600;
  border-bottom: 1px dashed rgba(139, 92, 246, 0.15);
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(139, 92, 246, 0.03);
}

.reasoning-body {
  padding: 10px 12px;
  white-space: pre-wrap;
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  opacity: 0.85;
}

.chat-input-area {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.chat-input-area textarea {
  flex: 1;
  height: 48px;
  min-height: 48px;
  max-height: 120px;
  padding: 12px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
  resize: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.chat-input-area textarea:focus {
  border-color: var(--v400);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.18);
}

.chat-input-area button {
  height: 48px;
  margin: 0;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}