/* ============================================
   STREAK TRACKER — STYLES
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0F0F1A;
  --bg-card: #1A1A2E;
  --bg-card-hover: #222240;
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0C0;
  --text-muted: #6B6B8D;

  --orange-start: #FF6B35;
  --orange-end: #F7931E;
  --teal-start: #4ECDC4;
  --teal-end: #44A08D;
  --purple-start: #667EEA;
  --purple-end: #764BA2;
  --red: #FF4757;
  --green: #2ED573;
  --gold: #FFD700;

  --gradient-fire: linear-gradient(135deg, var(--orange-start), var(--orange-end));
  --gradient-teal: linear-gradient(135deg, var(--teal-start), var(--teal-end));
  --gradient-purple: linear-gradient(135deg, var(--purple-start), var(--purple-end));

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 50%;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow-orange: 0 0 30px rgba(255,107,53,0.4);
  --shadow-glow-teal: 0 0 30px rgba(78,205,196,0.4);
  --shadow-glow-purple: 0 0 30px rgba(102,126,234,0.4);

  --font: 'Poppins', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(255,107,53,0.3), 0 0 60px rgba(255,107,53,0.1); }
  50% { box-shadow: 0 0 30px rgba(255,107,53,0.5), 0 0 80px rgba(255,107,53,0.2); }
}

@keyframes glowText {
  0%, 100% { text-shadow: 0 0 10px rgba(255,107,53,0.5), 0 0 30px rgba(255,107,53,0.3); }
  50% { text-shadow: 0 0 20px rgba(255,107,53,0.8), 0 0 50px rgba(255,107,53,0.4); }
}

@keyframes flameFlicker {
  0%, 100% { transform: scaleY(1) scaleX(1); opacity: 0.9; }
  25% { transform: scaleY(1.1) scaleX(0.95); opacity: 1; }
  50% { transform: scaleY(0.95) scaleX(1.05); opacity: 0.85; }
  75% { transform: scaleY(1.05) scaleX(0.98); opacity: 0.95; }
}

@keyframes flameFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-8px) rotate(3deg); }
  66% { transform: translateY(-4px) rotate(-2deg); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes bounceIn {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes rippleEffect {
  to { transform: scale(4); opacity: 0; }
}

@keyframes numberPop {
  0% { transform: scale(1); }
  30% { transform: scale(1.4); }
  60% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

@keyframes streakReset {
  0% { opacity: 1; transform: scale(1); }
  40% { opacity: 0; transform: scale(0.5) rotate(-10deg); filter: grayscale(1); }
  70% { opacity: 0; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1); filter: grayscale(0); }
}

@keyframes badgeUnlock {
  0% { transform: scale(0) rotate(-180deg); opacity: 0; }
  60% { transform: scale(1.2) rotate(10deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

@keyframes badgeGlow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(255,215,0,0.2), 0 0 30px rgba(255,215,0,0.1);
    border-color: rgba(255,215,0,0.3);
  }
  50% {
    box-shadow: 0 0 25px rgba(255,215,0,0.4), 0 0 50px rgba(255,215,0,0.2);
    border-color: rgba(255,215,0,0.5);
  }
}

@keyframes crackedBadge {
  0% { transform: scale(1); opacity: 1; filter: grayscale(0); }
  20% { transform: scale(1.1) rotate(2deg); }
  40% { transform: scale(0.95) rotate(-3deg); filter: grayscale(0.5); }
  60% { transform: scale(1.05) rotate(1deg); }
  80% { transform: scale(0.98) rotate(-1deg); filter: grayscale(0.8); }
  100% { transform: scale(1) rotate(0deg); opacity: 0.5; filter: grayscale(1); }
}

@keyframes flameFade {
  0% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.5; transform: scaleY(0.7); }
  100% { opacity: 0; transform: scaleY(0.3); }
}

@keyframes screenShake {
  0%, 100% { transform: translateX(0); }
  10% { transform: translateX(-5px); }
  20% { transform: translateX(5px); }
  30% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  50% { transform: translateX(-3px); }
  60% { transform: translateX(3px); }
  70% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
  90% { transform: translateX(-1px); }
}

@keyframes fireIntense {
  0%, 100% { transform: scaleY(1) scaleX(1); opacity: 1; }
  25% { transform: scaleY(1.3) scaleX(0.9); opacity: 0.95; }
  50% { transform: scaleY(0.9) scaleX(1.1); opacity: 0.85; }
  75% { transform: scaleY(1.2) scaleX(0.95); opacity: 0.95; }
}

@keyframes progressFillAnim {
  from { stroke-dashoffset: 326.73; }
}

@keyframes bgPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,15,26,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header__inner {
  max-width: 600px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

/* Sound Toggle */
.sound-toggle {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.sound-toggle:hover {
  background: rgba(255,107,53,0.15);
  border-color: var(--orange-start);
  transform: scale(1.1);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header__logo-img {
  width: 36px;
  height: 36px;
  animation: flameFloat 2s ease-in-out infinite;
}

.header__title {
  font-size: 1.1rem;
  font-weight: 700;
  background: var(--gradient-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header__level {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  padding: 6px 14px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,0.08);
}

.header__level-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.header__level-value {
  font-size: 1rem;
  font-weight: 800;
  color: var(--gold);
}

/* --- Hero / Streak Counter --- */
.hero {
  position: relative;
  padding: 60px 20px 50px;
  text-align: center;
  overflow: hidden;
}

.hero__bg-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,107,53,0.15) 0%, transparent 70%);
  pointer-events: none;
  animation: bgPulse 4s ease-in-out infinite;
}

.hero__content {
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s ease-out;
}

.hero__subtitle {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 20px;
}

.streak-counter {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 50px;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,107,53,0.2);
  animation: glow 3s ease-in-out infinite;
  margin-bottom: 24px;
}

.streak-counter__number {
  font-size: 5rem;
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glowText 3s ease-in-out infinite;
  transition: var(--transition);
}

.streak-counter__number.pop {
  animation: numberPop 0.5s ease-out;
}

.streak-counter__label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.streak-counter.resetting {
  animation: streakReset 1.2s ease-in-out;
}

/* Flames */
.streak-counter__fire {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 60px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s;
}

.streak-counter__fire.active {
  opacity: 1;
}

.flame {
  position: absolute;
  bottom: 0;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  animation: flameFlicker 0.8s ease-in-out infinite alternate;
}

.flame--1 {
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  background: radial-gradient(ellipse, #FFD700 0%, #FF6B35 50%, transparent 70%);
  animation-delay: 0s;
}

.flame--2 {
  left: 30%;
  width: 16px;
  height: 30px;
  background: radial-gradient(ellipse, #FFA500 0%, #FF4500 60%, transparent 70%);
  animation-delay: 0.15s;
  animation-duration: 0.9s;
}

.flame--3 {
  right: 30%;
  width: 16px;
  height: 30px;
  background: radial-gradient(ellipse, #FFA500 0%, #FF4500 60%, transparent 70%);
  animation-delay: 0.3s;
  animation-duration: 0.7s;
}

.flame--4 {
  left: 15%;
  width: 10px;
  height: 20px;
  background: radial-gradient(ellipse, #FF6347 0%, #FF6B35 60%, transparent 70%);
  animation-delay: 0.2s;
  animation-duration: 1s;
}

.flame--5 {
  right: 15%;
  width: 10px;
  height: 20px;
  background: radial-gradient(ellipse, #FF6347 0%, #FF6B35 60%, transparent 70%);
  animation-delay: 0.4s;
  animation-duration: 0.85s;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  max-width: 300px;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  margin: 0 auto 12px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-fire);
  border-radius: 3px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px rgba(255,107,53,0.5);
}

.hero__longest {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Section --- */
.section {
  max-width: 600px;
  margin: 0 auto;
  padding: 40px 20px;
}

.section__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: var(--gradient-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* --- Habit Cards --- */
.habits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.habit-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 8px;
  background: var(--bg-card);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
  color: var(--text-primary);
}

.habit-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.habit-card.active {
  border-color: var(--orange-start);
  background: rgba(255,107,53,0.1);
  box-shadow: var(--shadow-glow-orange);
}

.habit-card__icon {
  font-size: 1.6rem;
}

.habit-card__name {
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
}

/* --- Check-In Button --- */
.checkin-section {
  text-align: center;
}

.checkin-btn {
  position: relative;
  overflow: hidden;
  padding: 18px 48px;
  font-family: var(--font);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-fire);
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-glow-orange);
  animation: pulse 2s ease-in-out infinite;
}

.checkin-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(255,107,53,0.6), 0 0 80px rgba(255,107,53,0.2);
}

.checkin-btn:active {
  transform: scale(0.97);
}

.checkin-btn.done {
  background: var(--gradient-teal);
  box-shadow: var(--shadow-glow-teal);
  animation: none;
  cursor: default;
}

.checkin-btn.done:hover {
  transform: none;
}

.checkin-btn__ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  width: 20px;
  height: 20px;
  transform: scale(0);
  pointer-events: none;
}

.checkin-btn__ripple.animate {
  animation: rippleEffect 0.6s ease-out;
}

.checkin-status {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--teal-start);
  min-height: 1.4em;
}

/* --- Log Form --- */
.log-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.log-form__input {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  resize: vertical;
  transition: var(--transition);
}

.log-form__input::placeholder {
  color: var(--text-muted);
}

.log-form__input:focus {
  outline: none;
  border-color: var(--orange-start);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.15);
}

.log-form__btn {
  align-self: flex-start;
  padding: 12px 28px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--red), #FF6B6B);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.log-form__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(255,71,87,0.4);
}

.log-form__btn:active {
  transform: scale(0.97);
}

.log-history {
  margin-top: 16px;
}

.log-entry {
  display: flex;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  animation: slideInLeft 0.4s ease-out;
  border-left: 3px solid var(--red);
}

.log-entry__date {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 70px;
}

.log-entry__text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- Dashboard: Quote --- */
.quote-card {
  position: relative;
  padding: 24px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--purple-start);
  margin-bottom: 24px;
  animation: fadeIn 0.6s ease-out;
}

.quote-card__text {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-right: 30px;
}

.quote-card__refresh {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  font-size: 1rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.quote-card__refresh:hover {
  color: var(--purple-start);
  background: rgba(102,126,234,0.15);
  transform: rotate(180deg);
}

/* --- Dashboard: Stats --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 12px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.1);
}

.stat-card__value {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card__label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* --- Dashboard: Progress Rings --- */
.rings-row {
  display: flex;
  justify-content: center;
  gap: 30px;
}

.ring-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.ring-svg {
  width: 120px;
  height: 120px;
  transform: rotate(-90deg);
}

.ring-svg__bg {
  fill: none;
  stroke: rgba(255,255,255,0.06);
  stroke-width: 8;
}

.ring-svg__fill {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 326.73;
  stroke-dashoffset: 326.73;
  transition: stroke-dashoffset 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.ring-svg__fill--weekly {
  stroke: url(#gradWeekly);
}

.ring-svg__fill--monthly {
  stroke: url(#gradMonthly);
}

.ring-card__label {
  position: relative;
  margin-top: -78px;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}

.ring-card__value {
  font-size: 1.6rem;
  font-weight: 800;
}

.ring-card__desc {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.ring-card__title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 10px;
}

/* --- Badges --- */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.badge-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 8px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
  opacity: 0.4;
  filter: grayscale(1);
}

.badge-card.unlocked {
  opacity: 1;
  filter: grayscale(0);
  border-color: rgba(255,215,0,0.3);
  animation: badgeUnlock 0.6s ease-out, badgeGlow 3s ease-in-out infinite;
}

.badge-card.unlocked:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 8px 30px rgba(255,215,0,0.3), 0 0 60px rgba(255,215,0,0.15);
  animation: none;
}

.badge-card.cracked {
  animation: crackedBadge 1s ease-in-out;
  opacity: 0.5;
  filter: grayscale(1);
}

.badge-card__icon {
  font-size: 2rem;
}

.badge-card__name {
  font-size: 0.7rem;
  font-weight: 700;
  text-align: center;
  color: var(--text-secondary);
}

.badge-card.unlocked .badge-card__name {
  color: var(--gold);
}

.badge-card__req {
  font-size: 0.6rem;
  color: var(--text-muted);
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 40px 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer__install {
  color: var(--orange-start);
  text-decoration: none;
  font-weight: 600;
  margin-left: 8px;
  transition: var(--transition);
}

.footer__install:hover {
  color: var(--gold);
  text-decoration: underline;
}

/* --- Responsive --- */
@media (min-width: 480px) {
  .habits-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
  .badges-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
}

@media (min-width: 768px) {
  .section {
    padding: 50px 20px;
  }
  .streak-counter__number {
    font-size: 6rem;
  }
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .badges-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .habits-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* --- SVG Gradient Definitions (injected via JS) --- */
/* These will be added as inline SVG defs in app.js */