/* ==========================================================================
   Tapitt Talks Companion — components.css
   Cards, buttons, inputs, badges, modals, and all screen-specific components.
   ========================================================================== */

/* ---------------------------------------------------------------------- */
/* Logo mark                                                                */
/* ---------------------------------------------------------------------- */

.tapitt-mark {
  display: block;
  fill: #7F5AF0;
}

.tapitt-mark--lg {
  width: 132px;
  height: 87px;
}

.tapitt-mark--sm {
  width: 56px;
  height: 37px;
}

/* ---------------------------------------------------------------------- */
/* Buttons                                                                  */
/* ---------------------------------------------------------------------- */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: 44px;
  padding: 0 var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), opacity var(--transition-fast);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn--block {
  width: 100%;
}

.btn--lg {
  min-height: 52px;
  font-size: 1.0625rem;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn--primary:not(:disabled):hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
}

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

.btn--secondary:not(:disabled):hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn__arrow {
  transition: transform var(--transition-fast);
}

.btn:not(:disabled):hover .btn__arrow {
  transform: translateX(3px);
}

.btn__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
}

.btn.is-loading .btn__label,
.btn.is-loading .btn__arrow {
  visibility: hidden;
}

.btn.is-loading .btn__spinner {
  display: block;
  position: absolute;
  animation: spin 700ms linear infinite;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}

.icon-link:hover {
  background: var(--color-surface);
  color: var(--color-accent);
}

/* ---------------------------------------------------------------------- */
/* Form fields                                                              */
/* ---------------------------------------------------------------------- */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.field__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.field__optional {
  font-weight: 400;
  color: var(--color-text-muted);
}

.field__input {
  min-height: 48px;
  padding: 0 var(--spacing-md);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

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

.field__input:focus {
  border-color: var(--color-accent);
  background: var(--color-bg);
}

.field__input.is-invalid {
  border-color: var(--color-error);
  background: var(--color-error-light);
}

.field__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B6B6B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-md) center;
  padding-right: var(--spacing-2xl);
}

.field__error {
  min-height: 1.1em;
  font-size: 0.8125rem;
  color: var(--color-error);
  font-weight: 500;
}

.form-banner {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
}

.form-banner--error {
  background: var(--color-error-light);
  color: var(--color-error);
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  min-height: 44px;
}

.checkbox-field input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.checkbox-field__box {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 6px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  position: relative;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.checkbox-field__box::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.checkbox-field input:checked + .checkbox-field__box {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.checkbox-field input:checked + .checkbox-field__box::after {
  opacity: 1;
  transform: scale(1);
}

.checkbox-field input:focus-visible + .checkbox-field__box {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.checkbox-field__label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* ---------------------------------------------------------------------- */
/* Cards                                                                    */
/* ---------------------------------------------------------------------- */

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* ---------------------------------------------------------------------- */
/* Badges                                                                   */
/* ---------------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.badge--accent {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.badge--success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge--warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

/* ---------------------------------------------------------------------- */
/* Dashboard header + progress                                             */
/* ---------------------------------------------------------------------- */

.dashboard-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding-top: var(--spacing-xl);
  gap: var(--spacing-md);
}

.dashboard-header__greeting {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.dashboard-header__id {
  margin-top: var(--spacing-xs);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.progress-block {
  margin-top: var(--spacing-xl);
}

.progress-block__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

#progress-percent {
  color: var(--color-accent);
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* ---------------------------------------------------------------------- */
/* Challenge card                                                           */
/* ---------------------------------------------------------------------- */

.challenge-container {
  margin-top: var(--spacing-xl);
}

.challenge-card {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.challenge-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.challenge-card__title {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.challenge-card__description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.challenge-card__question-label {
  margin-top: var(--spacing-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.challenge-card__question-type-label {
  display: inline-block;
  margin-bottom: var(--spacing-xs);
}

/* Option cards (single/multiple choice, poll) */

.option-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.option-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  min-height: 52px;
  padding: var(--spacing-md);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.option-card:hover {
  border-color: var(--color-accent);
}

.option-card input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.option-card__indicator {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  transition: background var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.option-card--radio .option-card__indicator {
  border-radius: 50%;
}

.option-card--checkbox .option-card__indicator {
  border-radius: 6px;
}

.option-card--radio .option-card__indicator::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: #fff;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.option-card--checkbox .option-card__indicator::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.option-card.is-selected {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.option-card.is-selected .option-card__indicator {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.option-card.is-selected .option-card__indicator::after {
  opacity: 1;
  transform: scale(1);
}

.option-card__label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

/* Text inputs for questions */

.question-textinput {
  min-height: 48px;
  padding: 0 var(--spacing-md);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  width: 100%;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.question-textinput:focus {
  border-color: var(--color-accent);
  background: var(--color-bg);
}

.question-textarea {
  min-height: 110px;
  padding: var(--spacing-md);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  width: 100%;
  resize: none;
  line-height: 1.5;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.question-textarea:focus {
  border-color: var(--color-accent);
  background: var(--color-bg);
}

.question-textarea--reflection {
  background: var(--color-accent-light);
  border-color: transparent;
}

.question-textarea--reflection:focus {
  border-color: var(--color-accent);
  background: var(--color-bg);
}

.question-reflection-icon {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.char-counter {
  align-self: flex-end;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.char-counter.is-near-limit {
  color: var(--color-warning);
}

.char-counter.is-at-limit {
  color: var(--color-error);
}

/* ---------------------------------------------------------------------- */
/* Waiting / founder code state                                            */
/* ---------------------------------------------------------------------- */

.waiting-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.waiting-state__check {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-success-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-xs);
}

.waiting-state__title {
  font-size: 1.125rem;
  font-weight: 700;
}

.waiting-state__subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.founder-code {
  margin-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
}

.founder-code__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.founder-code__digits {
  display: flex;
  gap: var(--spacing-sm);
}

.founder-code__digit {
  width: 48px;
  height: 56px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.founder-code__digit:focus {
  border-color: var(--color-accent);
  background: var(--color-bg);
}

.founder-code__digits.is-error .founder-code__digit {
  border-color: var(--color-error);
  background: var(--color-error-light);
}

.founder-code__error {
  min-height: 1.1em;
  font-size: 0.8125rem;
  color: var(--color-error);
  font-weight: 500;
}

.founder-code__hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------------------- */
/* Completion screen                                                        */
/* ---------------------------------------------------------------------- */

.confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.completion-container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: var(--spacing-3xl);
}

.completion-check {
  margin-bottom: var(--spacing-md);
}

.checkmark-path {
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: checkmarkDraw 500ms ease-out 200ms forwards;
}

.completion-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.completion-name {
  margin-top: var(--spacing-xs);
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.completion-percent {
  margin-top: var(--spacing-sm);
  display: inline-flex;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-success-light);
  color: var(--color-success);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
}

.builder-badge {
  margin-top: var(--spacing-2xl);
  width: 100%;
  max-width: 320px;
  padding: var(--spacing-xl) var(--spacing-lg);
  background: linear-gradient(160deg, var(--color-bg) 0%, var(--color-accent-light) 130%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.builder-badge__mark {
  margin-bottom: var(--spacing-sm);
}

.builder-badge__label {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.builder-badge__event {
  margin-top: 2px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
}

.builder-badge__tagline {
  margin-top: 2px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.builder-badge__divider {
  width: 40%;
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-md) 0;
}

.builder-badge__name {
  font-size: 1rem;
  font-weight: 700;
}

.builder-badge__date {
  margin-top: 2px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.completion-thanks {
  margin-top: var(--spacing-xl);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.completion-share {
  margin-top: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

#completion-leaderboard-btn {
  margin-top: var(--spacing-xl);
  max-width: 320px;
}

/* ---------------------------------------------------------------------- */
/* Leaderboard                                                              */
/* ---------------------------------------------------------------------- */

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.leaderboard-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.leaderboard-row__rank {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.leaderboard-row__info {
  flex: 1;
  min-width: 0;
}

.leaderboard-row__name {
  font-size: 0.9375rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.leaderboard-row__meta {
  margin-top: 2px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.leaderboard-row__badge {
  flex-shrink: 0;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
}

.leaderboard-row.is-winner {
  background: var(--color-warning-light);
  border-color: var(--color-warning);
  transform: scale(1.02);
}

.leaderboard-empty {
  text-align: center;
  padding: var(--spacing-2xl) 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.lucky-draw-result {
  margin-top: var(--spacing-md);
  padding: var(--spacing-lg);
  text-align: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
}

.lucky-draw-result__label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.lucky-draw-result__name {
  margin-top: var(--spacing-xs);
  font-size: 1.375rem;
  font-weight: 800;
}

/* ---------------------------------------------------------------------- */
/* Empty / error states                                                     */
/* ---------------------------------------------------------------------- */

.state-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-2xl) var(--spacing-lg);
  color: var(--color-text-secondary);
}

.state-message__icon {
  font-size: 2rem;
}

.state-message__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.state-message__body {
  font-size: 0.9375rem;
}

/* ---------------------------------------------------------------------- */
/* Desktop scale-up                                                         */
/* ---------------------------------------------------------------------- */

@media (min-width: 640px) {
  .challenge-card {
    padding: var(--spacing-xl);
  }

  .founder-code__digit {
    width: 52px;
    height: 60px;
  }
}