/* Daada · دادة — modern children's picture book */
:root {
  --cream: #FFF8EE;
  --ink: #2D2A32;
  --ink-soft: #6B6672;
  --card: #FFFFFF;
  --gm: #FF6B57; --fm: #FFB627; --lang: #4EA8DE; --cog: #9B5DE5;
  --sens: #00BBB4; --se: #F15BB5; --pl: #06C270;
  --radius: 22px;
  --shadow: 0 6px 24px rgba(45, 42, 50, 0.08);
  --shadow-soft: 0 3px 12px rgba(45, 42, 50, 0.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { font-size: 17px; }
body {
  font-family: var(--font);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.45;
  min-height: 100dvh;
}
#app { max-width: 520px; margin: 0 auto; min-height: 100dvh; display: flex; flex-direction: column; }
.hidden { display: none !important; }
button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }
input, textarea { font-family: inherit; font-size: 1rem; color: var(--ink); }
a { color: inherit; text-decoration: none; }

/* ---------- header ---------- */
#header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px 10px;
  background: rgba(255, 248, 238, 0.92);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.wordmark { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; }
.wordmark .dot { color: var(--fm); }
.wordmark .ar { font-weight: 700; }
.icon-btn { font-size: 1.3rem; padding: 6px; border-radius: 12px; transition: transform .15s; }
.icon-btn:active { transform: scale(0.85); }

/* ---------- main ---------- */
#screen { flex: 1; padding: 6px 18px 110px; animation: screenIn .28s ease both; }
@keyframes screenIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
h1 { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; }
h2 { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.01em; }
.muted { color: var(--ink-soft); }
.small { font-size: 0.85rem; }

/* ---------- tab bar ---------- */
#tabbar {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 520px; z-index: 30;
  display: flex; justify-content: space-around;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(45, 42, 50, 0.07);
  padding: 8px 4px calc(10px + env(safe-area-inset-bottom));
}
#tabbar a {
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  font-size: 0.68rem; font-weight: 700; color: var(--ink-soft);
  padding: 4px 10px; border-radius: 14px; transition: transform .15s;
}
#tabbar a:active { transform: scale(0.9); }
#tabbar a.active { color: var(--ink); }
#tabbar a.active .tab-emoji { transform: scale(1.15); }
.tab-emoji { font-size: 1.35rem; transition: transform .2s cubic-bezier(.34,1.56,.64,1); filter: grayscale(0.6); opacity: .75; }
#tabbar a.active .tab-emoji { filter: none; opacity: 1; }

/* ---------- login ---------- */
.login-wrap { min-height: 100dvh; display: flex; flex-direction: column; justify-content: center; padding: 32px 26px 48px; text-align: center; }
.login-logo { font-size: 3.4rem; margin-bottom: 6px; animation: floaty 3.5s ease-in-out infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.login-wrap h1 { font-size: 2.2rem; margin-bottom: 2px; }
.login-sub { color: var(--ink-soft); margin-bottom: 34px; font-weight: 600; }
.who-row { display: flex; gap: 16px; justify-content: center; margin-bottom: 10px; }
.who-btn {
  flex: 1; max-width: 165px; background: var(--card); border-radius: var(--radius);
  padding: 22px 12px 18px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 1.15rem; font-weight: 800;
  border: 3px solid transparent;
  transition: transform .18s cubic-bezier(.34,1.56,.64,1), border-color .18s;
}
.who-btn:active { transform: scale(0.94); }
.who-btn.selected { border-color: var(--ink); transform: scale(1.03); }
.avatar {
  width: 58px; height: 58px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1.5rem;
}
.pin-area { margin-top: 26px; animation: screenIn .25s ease both; }
.pin-dots { display: flex; gap: 14px; justify-content: center; margin-bottom: 22px; }
.pin-dot { width: 16px; height: 16px; border-radius: 50%; border: 2.5px solid var(--ink-soft); transition: all .15s; }
.pin-dot.filled { background: var(--ink); border-color: var(--ink); transform: scale(1.1); }
.pin-pad { display: grid; grid-template-columns: repeat(3, 76px); gap: 12px; justify-content: center; }
.pin-key {
  width: 76px; height: 62px; border-radius: 20px; background: var(--card);
  font-size: 1.5rem; font-weight: 700; box-shadow: var(--shadow-soft);
  transition: transform .12s;
}
.pin-key:active { transform: scale(0.9); background: #F4EDE0; }
.pin-key.ghost { background: transparent; box-shadow: none; }
.pin-error { color: var(--gm); font-weight: 700; margin-top: 14px; min-height: 1.4em; }
.shake { animation: shake .4s; }
@keyframes shake { 20%,60% { transform: translateX(-8px); } 40%,80% { transform: translateX(8px); } }

/* ---------- onboarding ---------- */
.ob-header { padding: 26px 4px 14px; }
.ob-header .big-emoji { font-size: 2.6rem; }
.ob-domain { margin-bottom: 20px; }
.ob-domain-title { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.05rem; margin: 0 4px 10px; }
.ob-domain-title .swatch { width: 12px; height: 12px; border-radius: 4px; }
.ob-topic {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  background: var(--card); border-radius: 18px; padding: 13px 14px; margin-bottom: 8px;
  box-shadow: var(--shadow-soft); border: 2.5px solid transparent;
  transition: transform .15s cubic-bezier(.34,1.56,.64,1), border-color .15s, background .15s;
  font-size: 0.98rem; font-weight: 600;
}
.ob-topic:active { transform: scale(0.97); }
.ob-check {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  border: 2.5px solid rgba(45,42,50,.2);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.95rem; font-weight: 800; transition: all .15s;
}
.ob-topic.on { border-color: var(--dcolor); background: color-mix(in srgb, var(--dcolor) 8%, white); }
.ob-topic.on .ob-check { background: var(--dcolor); border-color: var(--dcolor); }
.ob-finish-bar {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 520px; padding: 12px 18px calc(16px + env(safe-area-inset-bottom));
  background: linear-gradient(transparent, var(--cream) 35%);
  z-index: 25;
}
.btn-primary {
  display: block; width: 100%; padding: 17px; border-radius: 22px;
  background: var(--ink); color: #fff; font-size: 1.1rem; font-weight: 800;
  box-shadow: var(--shadow); transition: transform .15s;
}
.btn-primary:active { transform: scale(0.97); }

/* ---------- today ---------- */
.today-hero { padding: 20px 4px 6px; }
.sun { display: inline-block; font-size: 1.6rem; animation: sunSpin 14s linear infinite; transform-origin: center; }
@keyframes sunSpin { to { transform: rotate(360deg); } }
.age-line { color: var(--ink-soft); font-weight: 700; margin-top: 4px; }
.section-label { font-size: 0.8rem; font-weight: 800; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-soft); margin: 22px 6px 10px; }
.topic-card {
  display: flex; width: 100%; text-align: left; background: var(--card);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
  margin-bottom: 14px; transition: transform .18s cubic-bezier(.34,1.56,.64,1);
}
.topic-card:active { transform: scale(0.965); }
.card-strip { width: 10px; flex-shrink: 0; }
.card-body { padding: 16px 16px 14px; flex: 1; min-width: 0; }
.card-top { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }
.card-emoji { font-size: 1.5rem; }
.card-domain { font-size: 0.72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.card-mins { margin-left: auto; font-size: 0.75rem; font-weight: 700; color: var(--ink-soft); background: var(--cream); border-radius: 999px; padding: 3px 10px; white-space: nowrap; }
.card-title { font-size: 1.12rem; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 3px; }
.card-desc { font-size: 0.88rem; color: var(--ink-soft); }
.why-line {
  margin-top: 6px; padding: 14px 16px; background: rgba(255, 182, 39, 0.13);
  border-radius: 18px; font-size: 0.88rem; color: #7A5A12; font-weight: 600;
}
.status-pill { font-size: 0.68rem; font-weight: 800; padding: 3px 9px; border-radius: 999px; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
.st-mastered { background: rgba(6,194,112,.14); color: #047947; }
.st-emerging { background: rgba(255,182,39,.18); color: #8a6206; }
.st-frontier { background: rgba(78,168,222,.15); color: #1d6ea8; }
.st-stepped_back { background: rgba(255,107,87,.14); color: #b13a2a; }
.st-not_started { background: rgba(45,42,50,.07); color: var(--ink-soft); }

/* ---------- topic detail ---------- */
.back-btn { font-weight: 800; color: var(--ink-soft); padding: 12px 4px; font-size: 0.95rem; }
.detail-hero { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; margin-bottom: 16px; }
.detail-strip { height: 12px; }
.detail-pad { padding: 18px 20px 20px; }
.detail-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.age-chip { font-size: 0.75rem; font-weight: 700; color: var(--ink-soft); background: var(--cream); padding: 3px 10px; border-radius: 999px; }
.detail-desc { margin-top: 8px; font-size: 0.97rem; }
.info-box { border-radius: 20px; padding: 16px 18px; margin-bottom: 14px; box-shadow: var(--shadow-soft); background: var(--card); }
.info-box .box-label { font-size: 0.75rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; margin-bottom: 7px; display: flex; gap: 6px; align-items: center; }
.info-box ul { margin: 4px 0 0 20px; }
.info-box li { margin-bottom: 5px; font-size: 0.92rem; }
.verdict-row { display: flex; flex-direction: column; gap: 10px; margin: 20px 0 8px; }
.verdict-btn {
  padding: 16px; border-radius: 20px; font-size: 1.05rem; font-weight: 800;
  box-shadow: var(--shadow-soft); transition: transform .15s cubic-bezier(.34,1.56,.64,1);
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.verdict-btn:active { transform: scale(0.95); }
.v-got { background: var(--pl); color: #fff; }
.v-emerging { background: rgba(255,182,39,.22); color: #7A5A12; }
.v-notyet { background: rgba(45,42,50,.08); color: var(--ink); }
.tell-dada { margin-top: 20px; }
.tell-row { display: flex; gap: 8px; margin-top: 8px; }
.tell-row input {
  flex: 1; min-width: 0; border: none; background: var(--card); border-radius: 18px;
  padding: 14px 16px; box-shadow: var(--shadow-soft); outline: none;
}
.mic-btn, .send-btn {
  width: 50px; height: 50px; border-radius: 16px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
  background: var(--card); box-shadow: var(--shadow-soft); transition: transform .12s;
}
.mic-btn:active, .send-btn:active { transform: scale(0.88); }
.mic-btn.listening { background: var(--gm); animation: pulse 1.2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(255,107,87,.45); } 50% { box-shadow: 0 0 0 12px rgba(255,107,87,0); } }
.send-btn { background: var(--ink); color: #fff; }

/* ---------- backward walk ---------- */
.walk-wrap { padding-top: 8px; }
.walk-failed { position: relative; }
.walk-badge {
  position: absolute; top: -9px; right: 14px; background: var(--gm); color: #fff;
  font-size: 0.7rem; font-weight: 800; padding: 4px 12px; border-radius: 999px;
  box-shadow: var(--shadow-soft); letter-spacing: .04em;
}
.walk-line-wrap { display: flex; justify-content: center; height: 64px; position: relative; }
.walk-line-wrap svg { display: block; height: 100%; }
.walk-line-wrap path { stroke: var(--ink-soft); stroke-width: 3.5; stroke-dasharray: 8 9; fill: none; animation: dashDraw 1s ease-out both; }
@keyframes dashDraw { from { stroke-dashoffset: 140; opacity: 0; } to { stroke-dashoffset: 0; opacity: 1; } }
.walk-step-label { text-align: center; font-weight: 800; color: var(--ink-soft); font-size: .85rem; margin: 2px 0 14px; }
.walk-prereq { animation: screenIn .4s ease both; }
.walk-prereq:nth-child(2) { animation-delay: .25s; }
.walk-prereq:nth-child(3) { animation-delay: .45s; }
.walk-reason {
  margin: -6px 8px 16px; padding: 12px 16px; border-left: 4px dashed rgba(45,42,50,.25);
  font-size: 0.86rem; color: var(--ink-soft); font-style: italic;
}
.dep-strength { font-size: .65rem; font-weight: 800; letter-spacing: .05em; padding: 2px 8px; border-radius: 999px; text-transform: uppercase; }
.dep-hard { background: rgba(255,107,87,.15); color: #b13a2a; }
.dep-soft { background: rgba(78,168,222,.15); color: #1d6ea8; }

/* ---------- chat ---------- */
.chat-wrap { display: flex; flex-direction: column; min-height: calc(100dvh - 210px); }
.chat-thread { flex: 1; padding: 8px 0 84px; }
.chat-day { text-align: center; font-size: 0.72rem; font-weight: 800; color: var(--ink-soft); margin: 16px 0 10px; letter-spacing: .05em; }
.msg { display: flex; gap: 9px; margin-bottom: 12px; align-items: flex-end; }
.msg.mine { flex-direction: row-reverse; }
.msg .avatar { width: 34px; height: 34px; font-size: 0.95rem; flex-shrink: 0; }
.bubble {
  max-width: 76%; padding: 11px 15px; border-radius: 20px;
  background: var(--card); box-shadow: var(--shadow-soft); font-size: 0.95rem;
}
.msg.mine .bubble { background: var(--ink); color: #fff; border-bottom-right-radius: 6px; }
.msg:not(.mine) .bubble { border-bottom-left-radius: 6px; }
.msg.dada .bubble { background: #FFF3DC; border: 1.5px solid rgba(255,182,39,.35); }
.bubble .author { font-size: 0.7rem; font-weight: 800; margin-bottom: 3px; opacity: .75; letter-spacing: .03em; }
.topic-tag { display: inline-block; font-size: 0.7rem; font-weight: 700; background: rgba(78,168,222,.15); color: #1d6ea8; border-radius: 999px; padding: 2px 9px; margin-bottom: 5px; }
.update-chip {
  display: inline-flex; align-items: center; gap: 5px; margin-top: 8px; margin-right: 6px;
  background: rgba(6,194,112,.13); color: #047947; font-size: 0.78rem; font-weight: 800;
  padding: 5px 11px; border-radius: 999px; animation: chipPop .4s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes chipPop { from { transform: scale(0); } to { transform: scale(1); } }
.typing { display: inline-flex; gap: 5px; padding: 14px 18px; }
.typing span { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-soft); animation: blink 1.2s infinite; }
.typing span:nth-child(2) { animation-delay: .2s; }
.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,60%,100% { opacity: .25; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-4px); } }
.composer {
  position: fixed; bottom: 78px; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 520px; padding: 8px 14px;
  display: flex; gap: 8px; align-items: center; z-index: 24;
  background: linear-gradient(transparent, var(--cream) 30%);
}
.composer input {
  flex: 1; min-width: 0; border: none; background: var(--card); border-radius: 999px;
  padding: 14px 18px; box-shadow: var(--shadow); outline: none;
}
.lang-btn {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 14px; font-size: 0.8rem; font-weight: 800;
  background: var(--card); box-shadow: var(--shadow-soft);
}
.speech-note { text-align: center; font-size: .72rem; color: var(--ink-soft); padding-bottom: 4px; }

/* ---------- map ---------- */
.domain-card {
  display: block; width: 100%; text-align: left; background: var(--card);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px;
  margin-bottom: 13px; transition: transform .15s cubic-bezier(.34,1.56,.64,1);
}
.domain-card:active { transform: scale(0.97); }
.domain-head { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; }
.domain-emoji { font-size: 1.7rem; }
.domain-name { font-weight: 800; font-size: 1.08rem; }
.domain-count { margin-left: auto; font-weight: 800; font-size: 0.85rem; color: var(--ink-soft); }
.progress-track { height: 10px; border-radius: 999px; background: rgba(45,42,50,.07); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 999px; transition: width .6s cubic-bezier(.2,.8,.2,1); }
.domain-frontier { margin-top: 9px; font-size: 0.85rem; font-weight: 600; }
.domain-source { margin-top: 3px; font-size: 0.76rem; color: var(--ink-soft); }
.topic-row {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  background: var(--card); border-radius: 18px; padding: 14px 16px; margin-bottom: 9px;
  box-shadow: var(--shadow-soft); transition: transform .13s;
}
.topic-row:active { transform: scale(0.97); }
.topic-row .name { font-weight: 700; font-size: 0.95rem; flex: 1; }
.topic-row .range { font-size: 0.72rem; color: var(--ink-soft); font-weight: 700; }

/* ---------- journal ---------- */
.filter-row { display: flex; gap: 8px; overflow-x: auto; padding: 4px 2px 12px; scrollbar-width: none; }
.filter-row::-webkit-scrollbar { display: none; }
.filter-chip {
  flex-shrink: 0; padding: 8px 15px; border-radius: 999px; font-size: 0.82rem; font-weight: 800;
  background: var(--card); box-shadow: var(--shadow-soft); color: var(--ink-soft);
  border: 2px solid transparent; transition: all .15s;
}
.filter-chip.active { color: var(--ink); border-color: var(--ink); }
.journal-entry {
  display: flex; gap: 12px; background: var(--card); border-radius: 20px;
  padding: 14px 16px; margin-bottom: 10px; box-shadow: var(--shadow-soft);
}
.journal-entry.health { background: #FFF0EE; border: 1.5px solid rgba(255,107,87,.25); }
.j-icon { font-size: 1.35rem; flex-shrink: 0; padding-top: 2px; }
.j-body { flex: 1; min-width: 0; }
.j-meta { font-size: 0.73rem; font-weight: 800; color: var(--ink-soft); margin-bottom: 2px; }
.j-title { font-weight: 700; font-size: 0.94rem; }
.j-note { font-size: 0.86rem; color: var(--ink-soft); margin-top: 3px; }
.empty-state { text-align: center; padding: 48px 20px; color: var(--ink-soft); }
.empty-state .big-emoji { font-size: 3rem; display: block; margin-bottom: 10px; }

/* ---------- letters ---------- */
.letter-card {
  background: #FFFDF7; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px 22px 20px; margin-bottom: 16px; position: relative; overflow: hidden;
  border: 1.5px solid rgba(255,182,39,.25);
}
.letter-card::before { content: "💌"; position: absolute; top: 14px; right: 16px; font-size: 1.3rem; opacity: .8; }
.letter-week { font-size: 0.75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: #8a6206; margin-bottom: 10px; }
.letter-body { white-space: pre-wrap; font-size: 0.95rem; line-height: 1.6; }
.sample-note { background: rgba(78,168,222,.12); color: #1d6ea8; border-radius: 12px; padding: 8px 12px; font-size: 0.78rem; font-weight: 700; margin-bottom: 12px; }

/* ---------- settings ---------- */
.settings-group { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow-soft); margin-bottom: 16px; overflow: hidden; }
.settings-item {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 16px 18px; font-weight: 700; font-size: 0.97rem;
  border-bottom: 1px solid rgba(45,42,50,.06);
}
.settings-item:last-child { border-bottom: none; }
.settings-item .chev { margin-left: auto; color: var(--ink-soft); }
.settings-item.danger { color: #b13a2a; }
.key-pill { margin-left: auto; }

/* ---------- toast ---------- */
#toast-wrap { position: fixed; bottom: 96px; left: 50%; transform: translateX(-50%); z-index: 60; width: calc(100% - 40px); max-width: 460px; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast {
  background: var(--ink); color: #fff; border-radius: 18px; padding: 13px 18px;
  font-weight: 700; font-size: 0.9rem; box-shadow: 0 10px 30px rgba(45,42,50,.3);
  animation: toastIn .35s cubic-bezier(.34,1.56,.64,1) both; text-align: center;
}
@keyframes toastIn { from { opacity: 0; transform: translateY(20px) scale(.9); } to { opacity: 1; transform: none; } }
.toast.out { transition: opacity .3s, transform .3s; opacity: 0; transform: translateY(10px); }

/* ---------- confetti ---------- */
.confetti-piece {
  position: fixed; width: 10px; height: 14px; z-index: 100; pointer-events: none;
  border-radius: 3px; will-change: transform, opacity;
}

/* ---------- desktop ---------- */
@media (min-width: 700px) {
  body { background: #F6EDDD; }
  #app { background: var(--cream); min-height: 100vh; box-shadow: 0 0 60px rgba(45,42,50,.12); }
}