@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&display=swap');

:root {
  --primary-navy: #152638;
  --secondary-navy: #263B4C;
  --accent-gold: #ffd700;
  --accent-maroon: #800000;
  --bg-light: #f8fafc;
  --text-dark: #1e293b;
  --text-gray: #64748b;
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: #e2e8f0;
  --mario-squish: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition: all 0.3s var(--mario-squish);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Montserrat', 'Inter', sans-serif;
}

body {
  background-color: var(--bg-light);
  color: var(--text-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

.brand-text {
  font-size: 1.5rem;
  /* Bigger brand */
  font-weight: 900;
  color: var(--accent-gold);
  line-height: 1.1;
  letter-spacing: -1px;
}

.glass-card {
  background: #ffffff;
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.glass-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.btn-primary {
  background-color: var(--primary-navy);
  color: white;
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.8rem;
}

.btn-primary:hover {
  background-color: var(--secondary-navy);
}

input,
textarea {
  background: white;
  border: 1px solid var(--glass-border);
  color: var(--text-dark);
  padding: 0.8rem;
  border-radius: 0.8rem;
  width: 100%;
}

input:focus {
  outline: none;
  border-color: var(--primary-navy);
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(180px, auto);
  /* Flexible height to prevent overflow */
  gap: 1.5rem;
  margin-top: 0;
  align-items: stretch;
}

.bento-2x2 {
  grid-column: span 2;
  grid-row: span 2;
}

.bento-2x1 {
  grid-column: span 2;
  grid-row: span 1;
}

.bento-1x2 {
  grid-column: span 1;
  grid-row: span 2;
}

/* Dashboard Big Numbers */
.big-number {
  font-size: 3.5rem;
  /* Bigger timer/score */
  font-weight: 800;
  color: var(--primary-navy);
  line-height: 1;
}

/* Sticky Footer for Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  padding: 2.5rem 2rem 5rem;
  /* Extra bottom padding */
  overflow-y: auto;
}

.nav-links {
  margin-top: 3.5rem;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 1rem;
  color: #cbd5e1;
  text-decoration: none;
  border-radius: 1rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  transition: var(--transition);
}

.nav-item i {
  margin-right: 1rem;
  width: 20px;
}

.nav-item.active,
.nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent-gold);
}

.logout-container {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
}

/* Sidebar Dropdown */
.nav-dropdown {
  position: relative;
  margin-bottom: 0.5rem;
}

.dropdown-trigger {
  cursor: pointer;
}

.dropdown-content {
  display: block;
  max-height: 0;
  opacity: 0;
  transform: translateY(-10px);
  transition: max-height 0.4s ease, opacity 0.3s ease, transform 0.3s ease;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 1rem;
  margin-left: 1rem;
  margin-top: 0.2rem;
  overflow: hidden;
  pointer-events: none;
}

.nav-dropdown.active .dropdown-content {
  max-height: 200px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-item {
  padding: 0.8rem 1rem;
  font-size: 0.85rem;
  color: #cbd5e1;
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.dropdown-item i {
  margin-right: 1rem;
  width: 15px;
}

.dropdown-item:hover,
.dropdown-item.active {
  color: var(--accent-gold);
  background: rgba(255, 255, 255, 0.05);
}

/* Streak Meter */
.streak-meter {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: white;
  padding: 0.8rem 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: var(--transition);
}

.streak-meter:hover {
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.streak-flame {
  font-size: 1.8rem;
  color: #ff4b2b;
  /* Duolingo flame color */
  animation: flicker 2s infinite alternate;
}

@keyframes flicker {
  0% {
    transform: scale(1);
    filter: drop-shadow(0 0 2px rgba(255, 75, 43, 0.4));
  }

  100% {
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px rgba(255, 75, 43, 0.8));
  }
}

.streak-count {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-navy);
}

/* Tab/Slider Buttons for Rankings */
.provider-slider {
  display: flex;
  background: #f1f5f9;
  padding: 0.4rem;
  border-radius: 1rem;
  gap: 0.5rem;
}

.tab-btn {
  padding: 0.6rem 1.2rem;
  border-radius: 0.8rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--text-gray);
  transition: var(--transition);
}

.tab-btn.active {
  background: white;
  color: var(--primary-navy);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* Calendar Styles */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition);
}

.calendar-day:hover {
  background: #f1f5f9;
}

.calendar-day.has-event {
  background: var(--bg-light);
  border: 1px solid var(--accent-gold);
}

.calendar-day.has-event:hover {
  background: var(--accent-gold);
  color: var(--primary-navy);
}

.calendar-day.today {
  background: var(--accent-gold);
  color: var(--primary-navy);
  font-weight: 800;
}