@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --bg:        #fdf6ec;
  --bg2:       #f5ede0;
  --card:      #ffffff;
  --sage:      #6ba882;
  --sage-light:#e8f5ee;
  --sage-mid:  #c2d9cb;
  --peach:     #e8845a;
  --peach-light:#fde9dc;
  --peach-mid: #f4bfa0;
  --sky:       #5ba8c4;
  --sky-light: #dff2fa;
  --gold:      #d4a017;
  --gold-light:#fef3d8;
  --text:      #3a2e22;
  --text2:     #6b4f35;
  --text3:     #9a7a5a;
  --border:    #e8d5b7;
  --shadow:    rgba(58,46,34,.08);
  --shadow2:   rgba(58,46,34,.16);
}

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

body {
  font-family: 'Nunito', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 20px;
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--sky); text-decoration: none; }
a:hover { text-decoration: none; }

/* ===== DECORATIVE BACKGROUND ===== */
.bg-deco {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}
.bg-blob {
  position: absolute; border-radius: 50%; filter: blur(60px); opacity: .30;
}
.blob1 { width: 500px; height: 500px; background: var(--sage-mid);  top: -120px; left: -120px; }
.blob2 { width: 420px; height: 420px; background: var(--peach-mid); bottom: -100px; right: -100px; }
.blob3 { width: 300px; height: 300px; background: var(--sky);       top: 40%; left: 52%; }

/* ===== HEADER / NAV ===== */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(253,246,236,.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px var(--shadow);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; gap: 16px;
}
.nav-logo {
  font-size: 1.4rem; font-weight: 900;
  background: linear-gradient(135deg, var(--sage), var(--peach));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none; flex-shrink: 0;
}
.nav-links {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.nav-links a {
  color: var(--text2); font-weight: 700; font-size: 1rem;
  padding: 8px 18px; border-radius: 12px;
  transition: .2s; text-decoration: none;
}
.nav-links a:hover { background: var(--sage-light); color: var(--sage); }
.nav-badge {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 20px; padding: 6px 16px;
  font-size: .95rem; font-weight: 800; color: var(--text2);
  box-shadow: 0 2px 6px var(--shadow);
}
.nav-hamburger {
  display: none; background: none; border: none;
  font-size: 1.4rem; cursor: pointer; color: var(--text2);
}

/* ===== BUTTONS ===== */
.btn, .btn-primary, .btn-secondary, .btn-sm {
  display: inline-block; border: none; border-radius: 16px;
  padding: 14px 28px; font-size: 1.05rem; font-weight: 800;
  cursor: pointer; font-family: 'Nunito', sans-serif;
  transition: .2s; text-decoration: none; text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--sage), #5a9e72);
  color: #fff;
  box-shadow: 0 4px 16px rgba(107,168,130,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(107,168,130,.45); color: #fff; }

.btn-secondary, .btn-ghost {
  background: var(--card); border: 1.5px solid var(--border);
  color: var(--text2);
  box-shadow: 0 2px 8px var(--shadow);
}
.btn-secondary:hover, .btn-ghost:hover {
  border-color: var(--sage); color: var(--sage); background: var(--sage-light);
  transform: translateY(-2px);
}

.btn-peach {
  background: linear-gradient(135deg, var(--peach), #d06840);
  color: #fff; border: none; border-radius: 16px;
  padding: 14px 28px; font-size: 1.05rem; font-weight: 800;
  cursor: pointer; font-family: 'Nunito', sans-serif;
  transition: .2s; text-decoration: none; display: inline-block;
  box-shadow: 0 4px 16px rgba(232,132,90,.35);
}
.btn-peach:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,132,90,.45); color: #fff; }

.btn-sm { padding: 10px 20px; font-size: .95rem; border-radius: 12px; }
.btn-large { padding: 16px 38px; font-size: 1.15rem; border-radius: 18px; }

/* ===== CONTAINER ===== */
.container {
  max-width: 960px; margin: 0 auto; padding: 0 20px;
  position: relative; z-index: 5;
}

/* ===== CARDS ===== */
.card {
  background: var(--card); border-radius: 20px;
  border: 1.5px solid var(--border);
  box-shadow: 0 4px 20px var(--shadow);
  transition: .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px var(--shadow2); }

/* ===== SECTION LABELS ===== */
.section-label {
  font-size: .75rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .8px; color: var(--text3); margin-bottom: 14px;
}
.section-title {
  font-size: 1.7rem; font-weight: 900; color: var(--text); margin-bottom: 8px;
}
.section-sub { font-size: 1rem; color: var(--text3); margin-bottom: 24px; }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes popIn { from { transform: scale(.5); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.fade-up { animation: fadeUp .45s ease both; }

/* ===== HERO ===== */
.hero {
  position: relative; z-index: 5;
  text-align: center; padding: 56px 24px 40px;
}
.hero-badge {
  display: inline-block;
  background: var(--sage-light); color: var(--sage);
  border: 1.5px solid var(--sage-mid); border-radius: 20px;
  padding: 6px 18px; font-size: .8rem; font-weight: 800;
  margin-bottom: 20px; letter-spacing: .3px;
  animation: fadeUp .5s ease both;
}
.hero h1 {
  font-size: clamp(2rem,6vw,3rem); font-weight: 900; color: var(--text);
  margin-bottom: 14px; line-height: 1.15;
  animation: fadeUp .5s .08s ease both;
}
.hero h1 span { color: var(--peach); }
.hero-sub {
  font-size: 1.05rem; color: var(--text2); max-width: 480px;
  margin: 0 auto 32px; line-height: 1.65;
  animation: fadeUp .5s .16s ease both;
}
.hero-btns {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  animation: fadeUp .5s .24s ease both;
}
.hero-inner { max-width: 700px; margin: 0 auto; }

/* ===== SUBJECTS STRIP ===== */
.subjects-strip-section {
  position: relative; z-index: 5;
  padding: 0 0 8px;
}
.subjects-strip-scroll {
  display: flex; gap: 14px;
  overflow-x: auto; padding: 4px 20px 16px;
  scrollbar-width: none;
}
.subjects-strip-scroll::-webkit-scrollbar { display: none; }

.subject-mini-card {
  flex-shrink: 0; width: 155px;
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 20px; padding: 22px 16px;
  text-align: center; text-decoration: none; color: var(--text);
  box-shadow: 0 4px 14px var(--shadow);
  transition: .2s; display: block;
}
.subject-mini-card:hover { transform: translateY(-5px); box-shadow: 0 10px 24px var(--shadow2); }
.subject-mini-emoji {
  font-size: 2.4rem; margin-bottom: 10px;
  display: block; transition: .2s;
}
.subject-mini-card:hover .subject-mini-emoji { transform: rotate(10deg) scale(1.15); }
.subject-mini-name { font-size: .95rem; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.subject-mini-char { font-size: .85rem; color: var(--text3); }

/* ===== STEPS SECTION ===== */
.steps-section {
  position: relative; z-index: 5;
  padding: 48px 20px 56px;
}
.steps-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 20px;
  max-width: 860px; margin: 0 auto;
}
.step-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 22px; padding: 28px 22px; text-align: center;
  box-shadow: 0 4px 20px var(--shadow);
  transition: .2s; position: relative;
}
.step-card:hover { transform: translateY(-5px); box-shadow: 0 10px 28px var(--shadow2); }
.step-num {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--sage), #5a9e72);
  color: #fff; font-size: .8rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(107,168,130,.4);
}
.step-icon { font-size: 2.8rem; margin-bottom: 14px; display: block; transition: .2s; }
.step-card:hover .step-icon { transform: rotate(10deg) scale(1.15); }
.step-card h3 { font-size: 1.15rem; font-weight: 800; color: var(--text); margin-bottom: 10px; }
.step-card p { font-size: 1rem; color: var(--text2); line-height: 1.55; }

/* ===== SECTION ALT ===== */
.section-alt { background: var(--bg2); }
.section { padding: 48px 0; }

/* ===== FOOTER ===== */
.footer {
  position: relative; z-index: 5;
  border-top: 1px solid var(--border);
  padding: 24px 20px; text-align: center;
  color: var(--text3); font-size: .85rem; font-weight: 600;
}
.footer::before {
  content: ''; display: block; height: 3px;
  background: linear-gradient(90deg, var(--sage), var(--peach), var(--sky));
  margin-bottom: 24px; border-radius: 2px;
}

/* ===== GRADE TABS ===== */
.grade-tabs {
  display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px;
}
.grade-btn {
  background: var(--card); border: 1.5px solid var(--border);
  color: var(--text2); border-radius: 22px; padding: 10px 26px;
  font-size: 1rem; font-weight: 800; cursor: pointer;
  font-family: 'Nunito', sans-serif; transition: .2s;
  box-shadow: 0 2px 8px var(--shadow);
}
.grade-btn:hover, .grade-btn.active {
  background: linear-gradient(135deg, var(--sage), #5a9e72);
  color: #fff; border-color: var(--sage);
  box-shadow: 0 4px 14px rgba(107,168,130,.4);
  transform: translateY(-1px);
}

/* ===== SUBJECTS GRID (subjects.html) ===== */
.subjects-page-header {
  position: relative; z-index: 5;
  padding: 40px 20px 0;
  max-width: 960px; margin: 0 auto;
}
.subjects-page-header h1 {
  font-size: clamp(1.6rem,5vw,2.2rem); font-weight: 900; color: var(--text);
  margin-bottom: 6px;
}
.subjects-page-header p { color: var(--text2); margin-bottom: 24px; }

.subjects-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr));
  gap: 20px; margin-top: 4px;
}
.subject-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 22px; padding: 24px 20px;
  box-shadow: 0 4px 20px var(--shadow);
  transition: .2s; text-align: center;
}
.subject-card:hover { transform: translateY(-5px); box-shadow: 0 10px 28px var(--shadow2); }
.subject-card-emoji {
  font-size: 3.2rem; margin-bottom: 12px; display: block;
  transition: .2s;
}
.subject-card:hover .subject-card-emoji { transform: rotate(12deg) scale(1.15); }
.subject-card-name { font-size: 1.15rem; font-weight: 900; color: var(--text); margin-bottom: 6px; }
.subject-card-char { font-size: .9rem; color: var(--text3); margin-bottom: 14px; }

/* ===== PROGRESS BAR ===== */
.progress-bar-wrap, .pbar-wrap {
  height: 8px; background: var(--bg2); border-radius: 4px; overflow: hidden;
}
.progress-bar-fill, .pbar-fill {
  height: 100%; border-radius: 4px;
  transition: width .6s cubic-bezier(.34,1.2,.64,1);
}
.progress-label {
  font-size: .78rem; color: var(--text3); font-weight: 700; margin-bottom: 4px;
}

/* ===== TEST PAGE ===== */
.test-container {
  position: relative; z-index: 5;
  max-width: 680px; margin: 40px auto 0; padding: 0 20px 60px;
}
.test-header {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 20px; padding: 20px 24px; margin-bottom: 24px;
  box-shadow: 0 4px 20px var(--shadow);
}
.phase-label {
  font-size: .75rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .8px; color: var(--text3); margin-bottom: 10px;
}
.progress-text {
  font-size: .82rem; color: var(--text3); font-weight: 700;
  text-align: right; margin-top: 8px;
}

.question-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 24px; padding: 32px 28px;
  box-shadow: 0 6px 28px var(--shadow);
  transition: opacity .3s;
  animation: fadeUp .4s ease both;
}
.question-text {
  font-size: 1.35rem; font-weight: 800; color: var(--text);
  line-height: 1.5; margin-bottom: 28px;
}

/* Answer buttons — always 1 column, full width */
.answers-grid {
  display: flex; flex-direction: column; gap: 14px;
}
.answer-btn {
  width: 100%; background: var(--bg2); border: 2px solid var(--border);
  color: var(--text); border-radius: 16px; padding: 18px 22px;
  font-size: 1.1rem; font-weight: 700; cursor: pointer; text-align: left;
  font-family: 'Nunito', sans-serif; transition: .2s; line-height: 1.4;
}
.answer-btn:hover:not(:disabled) {
  border-color: var(--sage); background: var(--sage-light);
  transform: translateX(4px);
}
.answer-btn.selected { border-color: var(--sky); background: var(--sky-light); }
.answer-btn.correct  { border-color: var(--sage); background: var(--sage-light); color: #3a7a55; }
.answer-btn.wrong    { border-color: var(--peach); background: var(--peach-light); color: #a04030; }
.answer-btn:disabled { cursor: default; }

/* Phase badge */
.phase-badge {
  display: inline-block; background: var(--sage-light); color: var(--sage);
  border: 1.5px solid var(--sage-mid); border-radius: 20px;
  padding: 4px 14px; font-size: .75rem; font-weight: 800;
  letter-spacing: .3px; margin-bottom: 10px;
}

/* ===== SUBJECT HEADER BANNER ===== */
.subject-header-banner {
  position: relative; z-index: 5;
}
.subject-banner-inner {
  display: flex; align-items: center; gap: 20px;
  padding: 28px 28px 24px; max-width: 960px; margin: 0 auto;
}
.subject-banner-emoji {
  font-size: 3rem; flex-shrink: 0;
  animation: float 3s ease-in-out infinite;
}

/* ===== TOPIC ROWS ===== */
.topics-header {
  position: relative; z-index: 5;
  max-width: 960px; margin: 0 auto; padding: 24px 20px 0;
}
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text2); font-weight: 700; font-size: .9rem;
  text-decoration: none; padding: 8px 16px;
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 12px; box-shadow: 0 2px 8px var(--shadow);
  transition: .2s;
}
.back-link:hover { border-color: var(--sage); color: var(--sage); background: var(--sage-light); }

.topic-row {
  display: flex; align-items: center; gap: 16px;
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 16px; padding: 16px 20px; margin-bottom: 12px;
  box-shadow: 0 2px 12px var(--shadow); transition: .2s;
}
.topic-row:hover:not(.topic-locked) { transform: translateX(4px); box-shadow: 0 4px 18px var(--shadow2); }
.topic-row.topic-done { border-color: var(--sage-mid); background: var(--sage-light); }
.topic-row.topic-locked { opacity: .55; }
.topic-status { font-size: 1.3rem; flex-shrink: 0; }
.topic-info { flex: 1; }
.topic-title { font-size: 1.1rem; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.topic-meta { display: flex; align-items: center; gap: 10px; }
.topic-xp {
  font-size: .88rem; font-weight: 800; color: var(--sage);
  background: var(--sage-light); border-radius: 10px; padding: 3px 10px;
}
.topic-locked-label {
  font-size: .88rem; color: var(--text3); font-weight: 700;
}

/* ===== TOPIC LAYOUT (2 columns) ===== */
.breadcrumb {
  position: relative; z-index: 5;
  padding: 16px 24px; font-size: .85rem; color: var(--text3);
  font-weight: 700; max-width: 960px; margin: 0 auto;
}
.breadcrumb a { color: var(--text2); text-decoration: none; }
.breadcrumb a:hover { color: var(--sage); }

.topic-layout {
  display: grid; grid-template-columns: 1fr 360px;
  gap: 24px; padding-top: 8px; padding-bottom: 40px;
  align-items: start;
}

/* Theory Panel */
.theory-panel {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 22px; padding: 28px 26px;
  box-shadow: 0 4px 20px var(--shadow);
}
.theory-panel h2 {
  font-size: 1.3rem; font-weight: 900; color: var(--text); margin-bottom: 18px;
}
.theory-panel p, .theory-panel li {
  font-size: .95rem; line-height: 1.7; color: var(--text2); margin-bottom: 12px;
}

/* Formula box */
.formula-box {
  background: var(--gold-light); border-left: 4px solid var(--gold);
  border-radius: 0 12px 12px 0; padding: 14px 18px; margin: 16px 0;
  font-size: .95rem; font-weight: 700; color: var(--text);
}
/* Example box */
.example-box {
  background: var(--sky-light); border-left: 4px solid var(--sky);
  border-radius: 0 12px 12px 0; padding: 14px 18px; margin: 16px 0;
  font-size: .9rem; color: var(--text2);
}

/* Chat Panel */
.chat-panel {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 22px; padding: 20px;
  box-shadow: 0 4px 20px var(--shadow);
  position: sticky; top: 90px;
  display: flex; flex-direction: column; gap: 12px;
}
.chat-char-header {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.chat-messages {
  min-height: 220px; max-height: 360px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 12px;
  padding: 4px 0;
}
.chat-message, .chat-msg {
  max-width: 88%; padding: 13px 18px; font-size: 1rem; line-height: 1.55;
}
.chat-message.from-char, .chat-msg.char {
  background: var(--bg2); border: 1.5px solid var(--border);
  border-radius: 6px 18px 18px 18px; align-self: flex-start; color: var(--text);
}
.chat-message.from-user, .chat-msg.user {
  background: linear-gradient(135deg, var(--sage), #5a9e72);
  color: #fff; border-radius: 18px 6px 18px 18px; align-self: flex-end;
}
.chat-typing {
  display: flex; gap: 4px; align-self: flex-start; padding: 12px 16px;
  background: var(--bg2); border: 1.5px solid var(--border);
  border-radius: 6px 18px 18px 18px;
}
.chat-typing span {
  width: 8px; height: 8px; background: var(--text3); border-radius: 50%;
  animation: typing 1.2s infinite;
}
.chat-typing span:nth-child(2) { animation-delay: .2s; }
.chat-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes typing { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-8px)} }
.chat-input-row { display: flex; gap: 8px; }
.chat-input {
  flex: 1; border: 1.5px solid var(--border); border-radius: 14px;
  padding: 13px 18px; font-size: 1.05rem; font-family: 'Nunito', sans-serif;
  background: var(--bg2); color: var(--text); outline: none;
  transition: .2s;
}
.chat-input:focus { border-color: var(--sage); background: var(--card); }

/* ===== EXERCISES ===== */
.exercises-section {
  position: relative; z-index: 5;
  padding: 8px 0 48px;
}
.exercises-section h2 {
  font-size: 1.2rem; font-weight: 900; color: var(--text); margin-bottom: 16px;
}
.ex-tabs {
  display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap;
}
.ex-tab {
  background: var(--card); border: 1.5px solid var(--border);
  color: var(--text2); border-radius: 16px; padding: 11px 26px;
  font-size: .98rem; font-weight: 800; cursor: pointer;
  font-family: 'Nunito', sans-serif; transition: .2s;
}
.ex-tab.active, .ex-tab:hover {
  background: linear-gradient(135deg, var(--sage), #5a9e72);
  color: #fff; border-color: var(--sage);
  box-shadow: 0 4px 14px rgba(107,168,130,.35);
}
.ex-panel { display: none; }
.ex-panel.active { display: block; }

/* Exercise items */
.ex-item {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 16px; padding: 18px 20px; margin-bottom: 14px;
  box-shadow: 0 2px 12px var(--shadow);
}
.ex-num { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .5px; color: var(--text3); margin-bottom: 6px; }
.ex-text { font-size: 1.1rem; line-height: 1.6; color: var(--text); margin-bottom: 14px; }
.ex-type {
  display: inline-block; font-size: .72rem; padding: 3px 10px; border-radius: 8px;
  margin-bottom: 10px; font-weight: 700; background: var(--bg2); color: var(--text3);
}
.done-badge { font-size: .85rem; color: var(--sage); font-weight: 800; }

/* MCQ options — full width 1 col */
.opt-btn {
  background: var(--bg2); border: 2px solid var(--border);
  color: var(--text); border-radius: 16px; padding: 16px 20px;
  font-size: 1.05rem; font-weight: 700; cursor: pointer; text-align: left;
  font-family: 'Nunito', sans-serif; transition: .2s; line-height: 1.45;
  width: 100%; margin-bottom: 10px; display: block;
}
.opt-btn:hover:not(:disabled) { border-color: var(--sage); background: var(--sage-light); }
.opt-btn.correct  { background: var(--sage-light);  border-color: var(--sage);  color: #3a7a55; }
.opt-btn.partial  { background: var(--gold-light);  border-color: var(--gold);  color: #8a6a10; }
.opt-btn.wrong    { background: var(--peach-light); border-color: var(--peach); color: #a04030; }
.opt-btn:disabled { cursor: default; }

/* Feedback */
.feedback {
  margin-top: 12px; padding: 12px 16px; border-radius: 12px;
  font-size: .88rem; line-height: 1.5;
  background: var(--bg2); border-left: 3px solid var(--sage);
  color: var(--text2);
}

/* Fill-blank */
.fill-input {
  border: 2px solid var(--border); border-radius: 10px;
  padding: 8px 12px; font-family: 'Nunito', sans-serif;
  font-size: .9rem; color: var(--text);
  background: var(--bg2); outline: none; transition: .2s;
  min-width: 120px;
}
.fill-input:focus { border-color: var(--sage); background: var(--card); }
.fill-input.correct { border-color: var(--sage); background: var(--sage-light); }
.fill-input.wrong   { border-color: var(--peach); background: var(--peach-light); }

/* Match grid */
.match-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.match-item {
  background: var(--bg2); border: 2px solid var(--border);
  border-radius: 12px; padding: 10px 14px;
  font-size: .88rem; font-weight: 700; cursor: pointer;
  transition: .2s; text-align: center;
}
.match-item:hover { border-color: var(--sage); background: var(--sage-light); }
.match-item.selected { border-color: var(--sky); background: var(--sky-light); }
.match-item.matched  { border-color: var(--sage); background: var(--sage-light); color: #3a7a55; cursor: default; }

/* Ex completion */
.ex-completion {
  background: linear-gradient(135deg, var(--sage-light), var(--peach-light));
  border: 1.5px solid var(--sage-mid); border-radius: 20px;
  padding: 28px 24px; text-align: center;
  box-shadow: 0 4px 20px var(--shadow);
}

/* ===== RESULT PAGE ===== */
.result-hero {
  position: relative; z-index: 5;
  text-align: center; padding: 48px 20px 32px;
}
.result-hero h1 {
  font-size: clamp(1.6rem,5vw,2.4rem); font-weight: 900; color: var(--text);
  margin-bottom: 8px; animation: fadeUp .5s ease both;
}
.result-hero p { color: var(--text2); animation: fadeUp .5s .1s ease both; }

.result-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 22px; padding: 24px 22px;
  box-shadow: 0 4px 20px var(--shadow); margin-bottom: 20px;
  animation: fadeUp .5s ease both;
}
.result-card-emoji { font-size: 2.5rem; margin-bottom: 12px; display: block; }
.result-strong { border-top: 4px solid var(--sage); }
.result-weak   { border-top: 4px solid var(--peach); }

.results-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px;
}
.score-bar-wrap { height: 8px; background: var(--bg2); border-radius: 4px; overflow: hidden; margin: 8px 0; }
.score-bar-fill { height: 100%; border-radius: 4px; transition: width .8s cubic-bezier(.34,1.2,.64,1); }

.recs-section {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 22px; padding: 24px 22px;
  box-shadow: 0 4px 20px var(--shadow); margin-bottom: 28px;
}
.rec-link {
  display: block; padding: 12px 16px; margin-bottom: 10px;
  background: var(--bg2); border: 1.5px solid var(--border);
  border-radius: 12px; color: var(--text2); font-weight: 700; font-size: .9rem;
  text-decoration: none; transition: .2s;
}
.rec-link:hover {
  border-color: var(--sage); background: var(--sage-light); color: var(--sage);
  transform: translateX(4px);
}

/* ===== PROFILE PAGE ===== */
.profile-header {
  display: flex; align-items: center; gap: 24px;
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 22px; padding: 24px;
  box-shadow: 0 4px 20px var(--shadow); margin-bottom: 24px;
  animation: fadeUp .5s ease both;
}
.profile-avatar-big {
  font-size: 4rem; flex-shrink: 0;
  width: 80px; height: 80px; display: flex; align-items: center; justify-content: center;
  background: var(--bg2); border-radius: 50%; border: 2.5px solid var(--border);
}
.profile-info { flex: 1; }
.nickname-input {
  font-family: 'Nunito', sans-serif; font-size: 1.2rem; font-weight: 800;
  border: none; border-bottom: 2px solid var(--border); background: transparent;
  color: var(--text); outline: none; width: 100%; padding: 4px 0; margin-bottom: 8px;
  transition: .2s;
}
.nickname-input:focus { border-color: var(--sage); }
.level-label {
  font-size: .78rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .5px; color: var(--text3); margin-bottom: 6px;
}
.level-bar-wrap { height: 8px; background: var(--bg2); border-radius: 4px; overflow: hidden; }
.level-bar-fill {
  height: 100%; border-radius: 4px;
  background: linear-gradient(90deg, var(--sage), #5a9e72);
  transition: width .8s cubic-bezier(.34,1.2,.64,1);
}

.section-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 22px; padding: 22px 22px;
  box-shadow: 0 4px 20px var(--shadow); margin-bottom: 20px;
}
.section-card h3 { font-size: 1rem; font-weight: 900; color: var(--text); margin-bottom: 14px; }

.avatar-grid {
  display: flex; flex-wrap: wrap; gap: 10px; font-size: 1.8rem; cursor: pointer;
}
.avatar-grid span {
  padding: 6px; border-radius: 10px; border: 2px solid transparent;
  transition: .2s; display: inline-flex;
}
.avatar-grid span:hover, .avatar-grid span.selected {
  border-color: var(--sage); background: var(--sage-light);
  transform: scale(1.15);
}

.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fill,minmax(140px,1fr));
  gap: 14px; margin-bottom: 20px;
}
.stat-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 18px; padding: 18px 14px; text-align: center;
  box-shadow: 0 4px 14px var(--shadow);
}
.stat-val { font-size: 2.2rem; font-weight: 900; color: var(--sage); }
.stat-label { font-size: .9rem; color: var(--text3); font-weight: 700; margin-top: 4px; }

.badges-grid {
  display: grid; grid-template-columns: repeat(auto-fill,minmax(110px,1fr));
  gap: 14px;
}
.badge-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 18px; padding: 18px 12px; text-align: center;
  box-shadow: 0 3px 12px var(--shadow); transition: .2s;
}
.badge-card:hover { transform: translateY(-4px); box-shadow: 0 8px 20px var(--shadow2); }
.badge-card.locked { opacity: .45; filter: grayscale(.8); }
.badge-icon { font-size: 2.8rem; display: block; margin-bottom: 10px; }
.badge-name { font-size: .9rem; font-weight: 800; color: var(--text); }
.badge-desc { font-size: .8rem; color: var(--text3); margin-top: 4px; }

/* ===== CHARACTER BUBBLE ===== */
.char-bubble {
  display: flex; align-items: flex-start; gap: 12px; margin-bottom: 18px;
}
.char-avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; border: 2px solid var(--border);
  background: var(--bg2); box-shadow: 0 2px 8px var(--shadow);
}
.bubble-text {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 4px 18px 18px 18px; padding: 12px 16px;
  font-size: .9rem; line-height: 1.5; color: var(--text);
  max-width: calc(100% - 56px);
  box-shadow: 0 2px 10px var(--shadow);
}

/* ===== CONFETTI ===== */
.confetti-piece {
  position: fixed; top: -20px; border-radius: 3px;
  animation: confettiFall linear forwards; pointer-events: none; z-index: 999;
}
@keyframes confettiFall { to { transform: translateY(110vh) rotate(720deg); opacity: 0; } }

/* ===== BADGE POPUP ===== */
.badge-popup {
  position: fixed; bottom: 20px; left: 50%;
  transform: translateX(-50%) translateY(150px);
  background: white; border-radius: 20px; padding: 16px 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
  display: flex; align-items: center; gap: 12px;
  z-index: 9999; transition: transform .4s ease;
  border: 1.5px solid var(--border);
}
.badge-popup.show { transform: translateX(-50%) translateY(0); }
.badge-popup .badge-icon { font-size: 32px; }
.badge-popup .badge-title { font-weight: 800; font-size: 15px; color: var(--text); }
.badge-popup .badge-desc { font-size: 13px; color: var(--text3); }

/* ===== LOADING ===== */
.loading-text {
  text-align: center; color: var(--text3); font-size: 1rem;
  font-weight: 700; padding: 40px 20px;
}

/* ===== EXTRA FEATURES ===== */
.extra-features { margin-top: 40px; padding: 0 0 20px; }
.features-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.feature-card {
  background: var(--card); border-radius: 18px; padding: 18px 14px;
  text-align: center; text-decoration: none; color: inherit;
  box-shadow: 0 4px 16px var(--shadow);
  transition: .2s; display: block;
  border: 1.5px solid var(--border);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px var(--shadow2); }
.feature-icon { font-size: 2.2rem; margin-bottom: 8px; display: block; transition: .2s; }
.feature-card:hover .feature-icon { transform: rotate(10deg) scale(1.15); }
.feature-name { font-weight: 900; font-size: .9rem; margin-bottom: 4px; color: var(--sage); }
.feature-desc { font-size: .72rem; color: var(--text3); }

/* Faculty system */
.faculty-banner {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border-radius: 18px; padding: 16px 20px;
  margin: 0 0 20px; border: 1.5px solid var(--border);
  box-shadow: 0 2px 12px var(--shadow);
}
.faculty-card {
  border: 2px solid var(--border); border-radius: 18px; padding: 20px;
  cursor: pointer; transition: .2s; background: var(--card); text-align: center;
}
.faculty-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px var(--shadow); }
.faculty-card.selected { border-width: 3px; }
.faculty-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media(min-width:600px){ .faculty-grid { grid-template-columns: repeat(3,1fr); } }
.dean-bubble {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--card); border-radius: 16px; padding: 16px;
  margin-bottom: 16px; border: 1.5px solid var(--border);
}
.dean-avatar { font-size: 2.5rem; flex-shrink: 0; }
.dean-quote { font-style: italic; font-size: .9rem; color: var(--text3); margin-top: 4px; }
.faculty-task-card {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--card); border-radius: 14px; padding: 14px; margin-bottom: 8px;
  border: 1.5px solid var(--border); cursor: pointer; transition: .15s;
}
.faculty-task-card.done { opacity: .55; text-decoration: line-through; }
.task-check {
  width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid var(--border); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: .8rem;
}
.task-check.checked { background: var(--sage); border-color: var(--sage); color: white; }

/* Stars */
.stars { color: var(--gold); font-size: .9rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .topic-layout { grid-template-columns: 1fr; }
  .chat-panel { position: static; }
  .steps-grid { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .subjects-grid { grid-template-columns: repeat(auto-fill,minmax(160px,1fr)); }
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(253,246,236,.96); padding: 16px; border-bottom: 1px solid var(--border); z-index: 200; backdrop-filter: blur(12px); }
  .nav-hamburger { display: block; }
  .profile-header { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .hero { padding: 36px 16px 24px; }
  .subjects-strip-scroll { padding: 4px 16px 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .badges-grid { grid-template-columns: repeat(2,1fr); }
  .match-grid { grid-template-columns: 1fr; }
}