/* Design System & Variables */
:root {
  --bg-primary: #0a0a0a;
  --bg-card: #151515;
  --bg-input: #202020;
  
  --color-red: #e50914;      /* Rojo Buenafuente */
  --color-yellow: #ffc107;   /* Amarillo Berto */
  --color-green: #25d366;    /* Verde WhatsApp / Éxito */
  --color-text-main: #ffffff;
  --color-text-sub: #a0a0a0;
  --color-border: #333333;
  
  --font-main: 'Outfit', sans-serif;
  --shadow-neon-red: 0 0 15px rgba(229, 9, 20, 0.4);
  --shadow-neon-yellow: 0 0 15px rgba(255, 193, 7, 0.4);
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: radial-gradient(circle at top, #1a080a 0%, #070707 100%);
  color: var(--color-text-main);
  font-family: var(--font-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 10px;
  overflow-x: hidden;
}

button,
.app-container {
  -webkit-user-select: none;
  user-select: none;
}

input,
textarea,
select,
.dev-dashboard-modal {
  -webkit-user-select: text;
  user-select: text;
}

/* App Container (Mobile First) */
.app-container {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 20px);
}

/* Header styling (Late Night Banner) */
.app-header {
  text-align: center;
  padding: 25px 10px 15px;
}

.logo {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -2px;
  color: var(--color-text-main);
  text-transform: uppercase;
  line-height: 1;
  text-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.logo-accent {
  color: var(--color-red);
  text-shadow: var(--shadow-neon-red);
  display: inline-block;
  transform: rotate(-2deg) scale(1.05);
  animation: neon-flicker 3s infinite alternate;
}

@keyframes neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    text-shadow: 0 0 4px #fff, 0 0 10px var(--color-red), 0 0 20px var(--color-red), 0 0 30px var(--color-red);
    opacity: 1;
  }
  20%, 24%, 55% {
    text-shadow: none;
    opacity: 0.7;
  }
}

.subtitle {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 8px;
  font-weight: 700;
}

/* Main Content */
.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hidden {
  display: none !important;
}

/* Screens / Layouts */
.screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
}

.screen-section {
  animation: slide-in var(--transition-normal);
}

.screen-enter {
  animation: screen-fade-up 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Card layout */
.card {
  background-color: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 24px 20px;
  margin-bottom: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(229, 9, 20, 0.05);
  backdrop-filter: blur(10px);
}

.challenge-notice {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
  padding: 12px 14px;
  border: 1px solid rgba(37, 211, 102, 0.3);
  border-radius: 8px;
  background: rgba(37, 211, 102, 0.08);
  text-align: left;
}

.challenge-notice strong {
  color: var(--color-green);
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
}

.challenge-notice span {
  color: var(--color-text-sub);
  font-size: 0.9rem;
  line-height: 1.35;
}

/* Section Badges */
.section-badge {
  display: inline-block;
  background-color: var(--color-red);
  color: var(--color-text-main);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 12px;
  text-transform: uppercase;
  box-shadow: var(--shadow-neon-red);
}

.section-badge.accent-badge {
  background-color: var(--color-yellow);
  color: #000;
  box-shadow: var(--shadow-neon-yellow);
}

.section-badge.ok-badge {
  background-color: var(--color-green);
  color: #000;
  box-shadow: 0 0 15px rgba(37, 211, 102, 0.4);
}

/* Typography & Subheadings */
.instruction-text {
  font-size: 1.05rem;
  color: var(--color-text-main);
  line-height: 1.4;
  margin-bottom: 20px;
  font-weight: 700;
}

.margin-top-medium {
  margin-top: 15px;
}

.margin-top-large {
  margin-top: 25px;
}

/* Word Comparison Display (Phase 1) */
.word-comparison-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 20px 10px;
  text-align: center;
  position: relative;
  margin-bottom: 24px;
}

.root-word-label, .candidate-word-label {
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--color-text-sub);
  display: block;
}

.candidate-word-label {
  margin-top: 10px;
}

.word-display {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-transform: uppercase;
  color: var(--color-text-main);
  margin: 5px 0;
}

.word-display.accent-display {
  color: var(--color-yellow);
  text-shadow: 0 0 10px rgba(255, 193, 7, 0.2);
}

.vs-divider {
  font-weight: 900;
  color: var(--color-red);
  font-size: 1.2rem;
  margin: 2px 0;
}

/* Sliders */
.slider-container {
  margin-bottom: 30px;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-sub);
  margin-bottom: 8px;
  font-weight: 700;
}

.custom-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-input);
  outline: none;
  margin: 15px 0;
}

.custom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-red);
  border: 2px solid var(--color-text-main);
  cursor: pointer;
  box-shadow: var(--shadow-neon-red);
  transition: transform var(--transition-fast);
}

.custom-slider::-webkit-slider-thumb:active {
  transform: scale(1.2);
}

.custom-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-red);
  border: 2px solid var(--color-text-main);
  cursor: pointer;
  box-shadow: var(--shadow-neon-red);
  transition: transform var(--transition-fast);
}

.slider-value-display {
  font-size: 1.4rem;
  font-weight: 900;
  margin-top: 10px;
}

.slider-value-display span {
  color: var(--color-red);
}

.humor-text {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--color-yellow);
  margin-top: 8px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 10px;
}

/* Buttons */
.btn {
  font-family: var(--font-main);
  font-weight: 900;
  text-transform: uppercase;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  line-height: 1.15;
}

.btn-large {
  padding: 18px 24px;
  font-size: 1.1rem;
  letter-spacing: 1px;
}

.btn-red {
  background-color: var(--color-red);
  color: var(--color-text-main);
  box-shadow: var(--shadow-neon-red);
}

.btn-red:hover:not(:disabled) {
  background-color: #ff121c;
  transform: translateY(-2px);
}

.btn-red:active:not(:disabled) {
  transform: translateY(0);
}

.btn-yellow {
  background-color: var(--color-yellow);
  color: #000;
  box-shadow: var(--shadow-neon-yellow);
}

.btn-yellow:hover:not(:disabled) {
  background-color: #ffca28;
  transform: translateY(-2px);
}

.btn-yellow:active:not(:disabled) {
  transform: translateY(0);
}

.btn-green {
  background-color: var(--color-green);
  color: #000;
  box-shadow: 0 0 15px rgba(37, 211, 102, 0.3);
}

.btn-green:hover:not(:disabled) {
  background-color: #2fe671;
  transform: translateY(-2px);
}

.btn:disabled {
  background-color: #444;
  color: #777;
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

/* Dashed box for root word (Phase 2) */
.root-word-dashed-box {
  border: 3px dashed var(--color-yellow);
  border-radius: 8px;
  padding: 22px 10px;
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--color-yellow);
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0 0 10px rgba(255, 193, 7, 0.2);
  background-color: rgba(255, 193, 7, 0.03);
}

/* Inputs and containers */
.input-container {
  position: relative;
  width: 100%;
  margin-bottom: 12px;
}

#user-word-input {
  width: 100%;
  background-color: var(--bg-input);
  border: 2px solid var(--color-border);
  color: var(--color-text-main);
  border-radius: 8px;
  padding: 16px 70px 16px 16px;
  font-size: 1.3rem;
  font-family: var(--font-main);
  font-weight: 900;
  text-transform: uppercase;
  text-align: center;
  outline: none;
  letter-spacing: 0.5px;
  transition: border-color var(--transition-fast);
}

#user-word-input:focus {
  border-color: var(--color-yellow);
}

.char-counter {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
  color: var(--color-text-sub);
  font-weight: 700;
}

/* Custom error message */
.error-bubble {
  background-color: rgba(229, 9, 20, 0.15);
  border: 1px solid var(--color-red);
  color: #ff6b72;
  border-radius: 8px;
  padding: 12px 15px;
  font-size: 0.85rem;
  margin-bottom: 20px;
  text-align: center;
  line-height: 1.4;
  font-weight: 700;
  animation: shake 0.4s ease;
}

/* Captcha */
.captcha-card {
  border: 1px solid var(--color-border);
  background-color: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  padding: 15px;
  margin: 20px 0;
  text-align: left;
}

.captcha-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
  margin-bottom: 10px;
}

.captcha-title {
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 1.5px;
  color: var(--color-text-sub);
  text-transform: uppercase;
}

.captcha-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.captcha-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text-main);
  line-height: 1.4;
  font-weight: 700;
}

.captcha-checkbox-label input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.custom-checkbox {
  position: relative;
  display: inline-block;
  min-width: 22px;
  height: 22px;
  background-color: var(--bg-input);
  border: 2px solid var(--color-border);
  border-radius: 4px;
  flex-shrink: 0;
}

.captcha-checkbox-label:hover input ~ .custom-checkbox {
  border-color: var(--color-yellow);
}

.captcha-checkbox-label input:checked ~ .custom-checkbox {
  background-color: var(--color-yellow);
  border-color: var(--color-yellow);
}

.custom-checkbox::after {
  content: "";
  position: absolute;
  display: none;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid #000;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}

.captcha-checkbox-label input:checked ~ .custom-checkbox::after {
  display: block;
}

#captcha-spinner-container {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--color-yellow);
  font-weight: 700;
}

/* Live updates in Phase 3 */
.user-result-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px 15px;
  text-align: center;
}

.result-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--color-text-sub);
  letter-spacing: 1px;
  font-weight: 700;
}

.submitted-word-banner {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-yellow);
  margin: 10px 0 20px;
  text-transform: uppercase;
  letter-spacing: -0.5px;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 15px;
}

.stat-box {
  background-color: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 15px;
  min-width: 110px;
}

.stat-val {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-text-main);
}

.stat-lbl {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-sub);
  font-weight: 700;
  margin-top: 4px;
}

.streak-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 2px 0 14px;
  padding: 12px 14px;
  border: 1px solid rgba(37, 211, 102, 0.24);
  border-radius: 8px;
  background: rgba(37, 211, 102, 0.07);
  text-align: left;
}

.streak-label {
  display: block;
  color: var(--color-text-sub);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.streak-box strong {
  display: block;
  color: var(--color-green);
  font-size: 1.25rem;
  font-weight: 900;
  margin-top: 2px;
}

.streak-box > span {
  color: var(--color-text-sub);
  font-size: 0.82rem;
  line-height: 1.3;
  text-align: right;
}

.small-info {
  font-size: 0.75rem;
  color: var(--color-text-sub);
  font-style: italic;
}

.countdown-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 18px 0 12px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 193, 7, 0.22);
  border-radius: 8px;
  background: rgba(255, 193, 7, 0.05);
}

.countdown-label {
  color: var(--color-text-sub);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: left;
}

.countdown-value {
  color: var(--color-yellow);
  font-size: 1rem;
  font-weight: 900;
  white-space: nowrap;
}

.notify-box {
  margin-top: 12px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  text-align: left;
}

.notify-title {
  display: block;
  color: var(--color-text-main);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
}

.notify-row {
  display: grid;
  grid-template-columns: 1fr 96px;
  gap: 8px;
}

#notify-email,
#dev-word-date,
#dev-word-input {
  width: 100%;
  min-width: 0;
  background-color: var(--bg-input);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  border-radius: 8px;
  padding: 12px;
  font-family: var(--font-main);
  font-weight: 700;
  outline: none;
}

#notify-email:focus,
#dev-word-date:focus,
#dev-word-input:focus {
  border-color: var(--color-yellow);
}

.notify-btn {
  padding: 0 12px;
  font-size: 0.78rem;
  min-height: 44px;
}

.notify-status,
.dev-word-status {
  min-height: 18px;
  margin-top: 8px;
  color: #ff6b72;
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1.35;
}

.notify-status.success,
.dev-word-status.success {
  color: var(--color-green);
}

/* Yesterday Podium */
/* Today Podium (Prominent) */
.today-podium-container {
  border-top: 1px solid var(--color-border);
  padding-top: 25px;
  text-align: left;
  margin-bottom: 25px;
}

.today-podium-title {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.5px;
  color: var(--color-yellow);
  text-shadow: 0 0 15px rgba(255, 193, 7, 0.25);
}

.today-podium-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin-bottom: 15px;
  font-weight: 700;
}

.today-podium-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.today-podium-list li {
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(25, 25, 25, 0.9) 0%, rgba(18, 18, 18, 0.9) 100%);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.today-podium-list li:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* Specific ranks for today */
.today-podium-list li.rank-1 {
  border-color: rgba(255, 215, 0, 0.4);
  background: linear-gradient(135deg, rgba(40, 36, 15, 0.9) 0%, rgba(18, 18, 18, 0.9) 100%);
}
.today-podium-list li.rank-1::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: #ffd700;
}

.today-podium-list li.rank-2 {
  border-color: rgba(192, 192, 192, 0.3);
  background: linear-gradient(135deg, rgba(30, 30, 30, 0.9) 0%, rgba(18, 18, 18, 0.9) 100%);
}
.today-podium-list li.rank-2::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: #c0c0c0;
}

.today-podium-list li.rank-3 {
  border-color: rgba(205, 127, 50, 0.3);
  background: linear-gradient(135deg, rgba(35, 25, 20, 0.9) 0%, rgba(18, 18, 18, 0.9) 100%);
}
.today-podium-list li.rank-3::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: #cd7f32;
}

.today-podium-rank {
  font-size: 1.15rem;
  font-weight: 900;
  min-width: 45px;
}

.today-podium-list li.rank-1 .today-podium-rank {
  color: #ffd700;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}
.today-podium-list li.rank-2 .today-podium-rank {
  color: #c0c0c0;
}
.today-podium-list li.rank-3 .today-podium-rank {
  color: #cd7f32;
}

.today-podium-word {
  flex-grow: 1;
  font-weight: 900;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.today-podium-score {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-yellow);
  text-align: right;
  display: flex;
  flex-direction: column;
}

.today-podium-votes {
  font-size: 0.7rem;
  color: var(--color-text-sub);
  font-weight: 400;
  margin-top: 2px;
}

/* Yesterday Podium (Less prominent / Compact) */
.yesterday-podium-container {
  border-top: 1px dashed var(--color-border);
  padding-top: 20px;
  margin-top: 20px;
  text-align: left;
}

.yesterday-podium-title {
  font-size: 1.0rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--color-text-sub);
}

.yesterday-podium-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-sub);
  margin-bottom: 10px;
}

.yesterday-podium-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.yesterday-podium-list li {
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  padding: 8px 12px;
}

.yesterday-podium-rank {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-sub);
  min-width: 30px;
}

.yesterday-podium-word {
  flex-grow: 1;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--color-text-main);
}

.yesterday-podium-score {
  font-size: 0.8rem;
  color: var(--color-text-sub);
}

/* Toasts */
#toast-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 400px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background-color: #222;
  border: 2px solid var(--color-red);
  color: var(--color-text-main);
  padding: 16px;
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.5);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: toast-in 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.toast.success-toast {
  border-color: var(--color-green);
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 30px 10px 20px;
  font-size: 0.75rem;
  color: var(--color-text-sub);
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-weight: 700;
}

.footer-heart {
  color: var(--color-red);
}

/* Spinners */
.loader-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--bg-card);
  border-top: 4px solid var(--color-red);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

.micro-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--bg-card);
  border-top: 2px solid var(--color-yellow);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Animations */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes screen-fade-up {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-30px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes confetti-fall {
  0% {
    opacity: 1;
    transform: translate3d(0, -12vh, 0) rotate(0deg);
  }
  100% {
    opacity: 0;
    transform: translate3d(24px, 112vh, 0) rotate(720deg);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

/* Landing Onboarding Card & Styles */
.landing-card {
  padding: 28px 24px;
}

.landing-visual {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: cover;
  object-position: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
}

.landing-logo-img {
  width: 110px;
  height: 110px;
  border-radius: 14px;
  border: 2px solid var(--color-yellow);
  box-shadow: var(--shadow-neon-yellow);
  transition: transform var(--transition-normal);
}

.landing-logo-img:hover {
  transform: scale(1.05) rotate(2deg);
}

.landing-title {
  font-size: 1.55rem;
  font-weight: 900;
  text-align: center;
  color: var(--color-yellow);
  text-shadow: 0 0 10px rgba(255, 193, 7, 0.2);
  margin-bottom: 12px;
  letter-spacing: 0;
  line-height: 1.08;
  text-transform: uppercase;
}

.landing-intro {
  font-size: 1rem;
  text-align: center;
  line-height: 1.5;
  color: var(--color-text-sub);
  margin-bottom: 24px;
}

.rules-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 22px;
}

.rule-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 11px 12px;
}

.rule-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--color-red);
  color: #fff;
  font-weight: 900;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-neon-red);
}

.rule-content {
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--color-text-main);
  text-align: left;
}

.rule-content strong {
  color: var(--color-yellow);
}

/* Pulsating CTA button */
.pulsating-btn {
  animation: pulsate 2.5s infinite ease-in-out;
}

@keyframes pulsate {
  0% {
    box-shadow: 0 0 10px rgba(255, 193, 7, 0.4);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 25px rgba(255, 193, 7, 0.7);
    transform: scale(1.02);
  }
  100% {
    box-shadow: 0 0 10px rgba(255, 193, 7, 0.4);
    transform: scale(1);
  }
}

/* Debug Reset Button styling */
.btn-debug-reset {
  margin-top: 15px;
  background-color: rgba(229, 9, 20, 0.15);
  border: 1px dashed var(--color-red);
  color: var(--color-red);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
}

.btn-debug-reset:hover {
  background-color: var(--color-red);
  color: #fff;
  box-shadow: var(--shadow-neon-red);
}

.dev-dashboard-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  width: 100vw;
  height: 100vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 20px;
  background: rgba(0, 0, 0, 0.92);
  font-family: var(--font-main);
  text-align: left;
}

.dev-dashboard-panel {
  width: min(800px, 100%);
  margin: 20px auto 60px;
  background: #121212;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 30px;
  position: relative;
  box-shadow: 0 0 30px rgba(0,0,0,0.5);
}

.dev-dashboard-close {
  position: sticky;
  top: 0;
  float: right;
  z-index: 1;
  background: #121212;
  border: 1px solid var(--color-border);
  color: var(--color-text-sub);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 6px;
}

.dev-dashboard-title {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-yellow);
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
  padding: 0 44px 10px 0;
  text-transform: uppercase;
}

.dev-dashboard-content {
  color: var(--color-text-main);
}

.dev-dashboard-filters {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #161616;
}

.dev-filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dev-filter-btn {
  min-height: 34px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text-sub);
  border-radius: 4px;
  padding: 6px 10px;
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
}

.dev-filter-btn.active {
  border-color: var(--color-yellow);
  color: #000;
  background: var(--color-yellow);
}

.dev-filter-summary {
  color: var(--color-text-sub);
  font-size: 0.78rem;
  line-height: 1.35;
}

.dev-delete-btn {
  background: rgba(229, 9, 20, 0.15);
  border: 1px solid var(--color-red);
  color: var(--color-red);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  font-weight: 700;
  transition: all 0.2s;
}

.dev-delete-btn:hover:not(:disabled) {
  background: var(--color-red);
  color: #fff;
}

.dev-delete-btn:disabled {
  cursor: wait;
  opacity: 0.65;
}

.dev-word-form {
  margin-bottom: 22px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #161616;
}

.dev-word-form label {
  display: block;
  color: var(--color-yellow);
  font-size: 0.85rem;
  font-weight: 900;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.dev-word-row {
  display: grid;
  grid-template-columns: 150px 1fr 110px;
  gap: 8px;
}

.dev-word-row .btn {
  min-height: 42px;
  font-size: 0.78rem;
}

.confetti-layer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 900;
  pointer-events: none;
  overflow: hidden;
}

.confetti-layer.active {
  display: block;
}

.confetti-piece {
  position: absolute;
  top: -24px;
  width: 9px;
  height: 16px;
  border-radius: 2px;
  animation-name: confetti-fall;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-fill-mode: forwards;
}

@media (max-width: 430px) {
  .streak-box {
    align-items: flex-start;
    flex-direction: column;
  }

  .streak-box > span {
    text-align: left;
  }

  .notify-row {
    grid-template-columns: 1fr;
  }

  .dev-word-row {
    grid-template-columns: 1fr;
  }

  .dev-dashboard-modal {
    padding: 10px;
  }

  .dev-dashboard-panel {
    margin: 10px auto 40px;
    padding: 18px;
  }

  .dev-dashboard-title {
    font-size: 1.45rem;
  }
}

@media (max-width: 360px) {
  body {
    padding: 8px;
  }

  .app-container {
    min-height: calc(100vh - 16px);
  }

  .app-header {
    padding: 20px 8px 12px;
  }

  .logo {
    font-size: 2.35rem;
    letter-spacing: -1px;
  }

  .subtitle {
    font-size: 0.72rem;
    letter-spacing: 1.4px;
  }

  .card {
    padding: 20px 16px;
  }

  .landing-visual {
    height: 118px;
    margin-bottom: 16px;
  }

  .btn-large {
    padding: 14px 16px;
    font-size: 0.98rem;
    min-height: 56px;
  }

  .section-badge {
    font-size: 0.72rem;
    letter-spacing: 1px;
  }

  .root-word-dashed-box {
    font-size: 2rem;
    padding: 18px 8px;
  }

  .word-display {
    font-size: 1.7rem;
  }

  .stats-row {
    gap: 10px;
  }

  .stat-box {
    min-width: 96px;
    padding: 12px 10px;
  }
}