/* ====== ActiviKids - Estilo Niños ====== */
:root {
  --pink: #FF6B9D;
  --purple: #6C5CE7;
  --teal: #4ECDC4;
  --yellow: #FFD93D;
  --coral: #FF8C42;
  --green: #38C172;
  --sky: #74C0FC;
  --peach: #FFB5A7;
  --cream: #FFF5E4;
  --dark: #2D3436;
  --shadow-hard: 4px 4px 0 #2D3436;
  --shadow-softer: 0 10px 30px rgba(0,0,0,0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Nunito', 'Plus Jakarta Sans', sans-serif;
  background: #FFF5E4;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(255,107,157,0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(108,92,231,0.15) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(78,205,196,0.1) 0%, transparent 50%);
  min-height: 100vh;
  color: var(--dark);
  overflow-x: hidden;
}

/* ====== Header ====== */
.k-header {
  background: white;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 4px solid var(--dark);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 0 rgba(0,0,0,0.1);
}

.k-avatar {
  width: 56px; height: 56px;
  background: var(--bg-color, var(--pink));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  border: 3px solid var(--dark);
  box-shadow: var(--shadow-hard);
  flex-shrink: 0;
}

.k-greeting { flex: 1; min-width: 0; }
.k-greeting .hi { font-size: 0.8rem; color: #666; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.k-greeting .name { font-family: 'Fredoka', 'Fraunces', serif; font-size: 1.4rem; font-weight: 700; line-height: 1.1; }

.k-coins {
  background: linear-gradient(135deg, var(--yellow), var(--coral));
  color: var(--dark);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 3px solid var(--dark);
  box-shadow: var(--shadow-hard);
  white-space: nowrap;
}

.k-logout {
  background: white;
  border: 3px solid var(--dark);
  width: 44px; height: 44px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-hard);
  transition: transform 0.15s;
  text-decoration: none;
  display: flex; align-items: center; justify-content: center;
  color: var(--dark);
}
.k-logout:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--dark); }

/* ====== Main content ====== */
.k-main { padding: 20px 16px 100px; max-width: 720px; margin: 0 auto; }

/* ====== Tabs ====== */
.k-tabs {
  display: flex;
  gap: 8px;
  background: white;
  padding: 6px;
  border-radius: 999px;
  border: 3px solid var(--dark);
  margin-bottom: 24px;
  box-shadow: var(--shadow-hard);
  overflow-x: auto;
  scrollbar-width: none;
}
.k-tabs::-webkit-scrollbar { display: none; }
.k-tab {
  flex: 1;
  padding: 10px 14px;
  border: none;
  background: transparent;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  color: #666;
  text-decoration: none;
  text-align: center;
}
.k-tab.active {
  background: var(--dark);
  color: white;
}

/* ====== Section title ====== */
.k-section-title {
  font-family: 'Fredoka', 'Fraunces', serif;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.k-section-title .line {
  flex: 1;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
}

/* ====== Category group ====== */
.k-cat-group { margin-bottom: 28px; }
.k-cat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  padding: 8px 14px;
  background: var(--cat-color, var(--teal));
  border-radius: 14px;
  border: 3px solid var(--dark);
  box-shadow: 3px 3px 0 var(--dark);
}
.k-cat-header .cat-icon { font-size: 1.4rem; }
.k-cat-header .cat-name { font-weight: 800; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.5px; }

/* ====== Activity cards ====== */
.k-activities { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

.k-activity {
  background: white;
  border: 3px solid var(--dark);
  border-radius: 18px;
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: center;
  box-shadow: var(--shadow-hard);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative;
  overflow: hidden;
}
.k-activity:hover { transform: translate(-1px,-1px); box-shadow: 5px 5px 0 var(--dark); }
.k-activity:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--dark); }

.k-activity.done {
  background: #f1f3f5;
  opacity: 0.7;
}
.k-activity.done::after {
  content: '✅';
  position: absolute;
  top: 10px; right: 10px;
  font-size: 1.2rem;
}
.k-activity.pending {
  background: linear-gradient(135deg, #fff3bf, white);
}
.k-activity.pending::after {
  content: '⏳';
  position: absolute;
  top: 10px; right: 10px;
  font-size: 1.2rem;
}
.k-activity.rejected {
  background: #ffe3e3;
}
.k-activity.rejected::after {
  content: '❌';
  position: absolute;
  top: 10px; right: 10px;
  font-size: 1.2rem;
}

.k-activity.awaiting_after {
  background: linear-gradient(135deg, #FFE3B0, white);
  border-color: #FF8C42;
}
.k-activity.awaiting_after::after {
  content: '📸';
  position: absolute;
  top: 10px; right: 10px;
  font-size: 1.3rem;
  animation: pulseCam 1.5s ease-in-out infinite;
}
@keyframes pulseCam {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.k-cam-badge {
  position: absolute;
  top: 8px; right: 8px;
  background: white;
  border: 2px solid var(--dark);
  border-radius: 6px;
  padding: 1px 5px;
  font-size: 0.7rem;
  font-weight: 800;
}

.k-activity .ai {
  width: 52px; height: 52px;
  background: var(--cat-color, var(--teal));
  border: 3px solid var(--dark);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.k-activity .body { flex: 1; min-width: 0; }
.k-activity .title { font-weight: 700; font-size: 0.95rem; line-height: 1.2; margin-bottom: 4px; }
.k-activity .points {
  font-size: 0.8rem;
  font-weight: 700;
  color: #888;
  display: flex; align-items: center; gap: 3px;
}

/* ====== Reward cards ====== */
.k-rewards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }

.k-reward {
  background: white;
  border: 3px solid var(--dark);
  border-radius: 18px;
  padding: 16px 12px;
  text-align: center;
  box-shadow: var(--shadow-hard);
  cursor: pointer;
  transition: transform 0.15s;
  position: relative;
}
.k-reward:hover { transform: translate(-1px,-1px); box-shadow: 5px 5px 0 var(--dark); }
.k-reward:active { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--dark); }

.k-reward.locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.k-reward .ri { font-size: 2.8rem; margin-bottom: 8px; display: block; }
.k-reward .rname { font-weight: 700; font-size: 0.9rem; margin-bottom: 8px; line-height: 1.2; min-height: 2.2em; }
.k-reward .rcost {
  background: var(--yellow);
  color: var(--dark);
  border: 2px solid var(--dark);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* ====== Stats cards ====== */
.k-stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); margin-bottom: 24px; }
.k-stat {
  background: white;
  border: 3px solid var(--dark);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-hard);
  text-align: center;
}
.k-stat .sval { font-family: 'Fredoka', serif; font-size: 2rem; font-weight: 800; line-height: 1; }
.k-stat .slabel { font-size: 0.75rem; color: #666; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; font-weight: 700; }

/* ====== Login screen ====== */
.k-login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.k-login-card {
  background: white;
  border: 4px solid var(--dark);
  border-radius: 28px;
  padding: 30px;
  box-shadow: 8px 8px 0 var(--dark);
  max-width: 420px;
  width: 100%;
  text-align: center;
}
.k-login-title {
  font-family: 'Fredoka', 'Fraunces', serif;
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 6px;
}
.k-login-sub { color: #666; margin-bottom: 24px; font-weight: 600; }

.kids-selector { display: flex; gap: 14px; justify-content: center; margin-bottom: 24px; flex-wrap: wrap; }
.kid-chip {
  background: white;
  border: 3px solid var(--dark);
  border-radius: 20px;
  padding: 14px 10px;
  cursor: pointer;
  transition: all 0.2s;
  min-width: 100px;
  box-shadow: 4px 4px 0 var(--dark);
}
.kid-chip:hover { transform: translate(-1px,-1px); box-shadow: 5px 5px 0 var(--dark); }
.kid-chip.selected { background: var(--chip-color, var(--pink)); color: white; }
.kid-chip .kc-av { font-size: 2.5rem; display: block; margin-bottom: 6px; }
.kid-chip .kc-name { font-weight: 800; }

.pin-display {
  display: flex; justify-content: center; gap: 10px; margin-bottom: 18px;
}
.pin-dot {
  width: 20px; height: 20px; border-radius: 50%;
  border: 3px solid var(--dark); background: white;
}
.pin-dot.filled { background: var(--purple); }

.pin-pad {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-width: 280px; margin: 0 auto;
}
.pin-btn {
  background: white;
  border: 3px solid var(--dark);
  border-radius: 14px;
  padding: 16px;
  font-size: 1.4rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--dark);
  font-family: inherit;
}
.pin-btn:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--dark); }
.pin-btn.pink { background: var(--pink); color: white; }

/* ====== Modal ====== */
.k-modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 20px;
  animation: fadeIn 0.2s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.k-modal {
  background: white; border: 4px solid var(--dark); border-radius: 24px;
  padding: 28px; max-width: 400px; width: 100%; text-align: center;
  box-shadow: 8px 8px 0 var(--dark);
  animation: pop 0.3s;
}
@keyframes pop { 0% { transform: scale(0.8); } 100% { transform: scale(1); } }
.k-modal .emoji-big { font-size: 4rem; margin-bottom: 10px; }
.k-modal h3 { font-family: 'Fredoka', serif; font-size: 1.5rem; margin-bottom: 10px; }
.k-modal p { color: #666; margin-bottom: 20px; }
.k-modal-actions { display: flex; gap: 10px; }
.k-btn {
  flex: 1; padding: 12px 18px; border-radius: 14px; border: 3px solid var(--dark);
  font-weight: 800; font-size: 0.95rem; cursor: pointer; font-family: inherit;
  box-shadow: 3px 3px 0 var(--dark); transition: transform 0.15s;
}
.k-btn:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--dark); }
.k-btn.primary { background: var(--purple); color: white; }
.k-btn.secondary { background: white; color: var(--dark); }
.k-btn.danger { background: var(--pink); color: white; }

/* ====== Alerta ====== */
.k-alert {
  padding: 14px 18px;
  background: var(--yellow);
  border: 3px solid var(--dark);
  border-radius: 14px;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 3px 3px 0 var(--dark);
}
.k-alert.error { background: var(--pink); color: white; }
.k-alert.ok { background: var(--green); color: white; }

/* ====== Confetti ====== */
.confetti {
  position: fixed; top: -20px; width: 10px; height: 10px;
  z-index: 9999; pointer-events: none;
  animation: confettiFall 3s linear forwards;
}
@keyframes confettiFall {
  to { transform: translateY(110vh) rotate(720deg); opacity: 0; }
}

/* ====== Mobile tweaks ====== */
@media (max-width: 480px) {
  .k-activities { grid-template-columns: 1fr; }
  .k-rewards { grid-template-columns: repeat(2, 1fr); }
  .k-greeting .name { font-size: 1.2rem; }
  .k-coins { font-size: 0.95rem; padding: 8px 12px; }
}