:root{
  --green:       #00653D;  /* logo green — primary */
  --green-dark:  #004E2F;  /* hover / pressed */
  --green-tint:  #E6F0EB;  /* selected option background */
  --orange:      #F69304;  /* logo orange — CTAs, timer ring, accents */
  --orange-dark: #D97F00;  /* hover */
  --ink:         #1A1A1A;
  --muted:       #6B7280;
  --line:        #E5E7EB;
  --bg:          #FFFFFF;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 "Cairo", system-ui, -apple-system, "Segoe UI", sans-serif;
}
html[lang="en"] body,
.question,
.chip,
.badge-sub { font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }

.topbar {
  display: flex;
  justify-content: flex-end;
  max-width: 480px;
  margin: 0 auto;
  padding: 12px 16px 0;
}
.lang-toggle {
  min-height: 44px;
  padding: 6px 14px;
  font: inherit;
  font-weight: 600;
  color: var(--green);
  background: var(--bg);
  border: 2px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}
/* The toggle is labelled in the other language, so it uses that language's font */
html[lang="ar"] .lang-toggle { font-family: "Inter", system-ui, sans-serif; }
html[lang="en"] .lang-toggle { font-family: "Cairo", system-ui, sans-serif; }

main {
  max-width: 480px;
  margin: 0 auto;
  padding: 8px 20px 40px;
}

/* Logo: always on white, clear space around it */
.logo {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: 16px auto 24px;
}

h1 {
  margin: 0 0 12px;
  font-size: 1.6rem;
  line-height: 1.35;
  text-align: center;
}

.bullets {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}
.bullets li {
  padding: 4px 14px;
  font-weight: 600;
  font-size: .95rem;
  color: var(--green);
  background: var(--green-tint);
  border-radius: 999px;
}

/* Register form */
.field { display: block; margin-bottom: 16px; }
.field span { display: block; margin-bottom: 6px; font-weight: 600; }
.field input {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 2px solid var(--line);
  border-radius: 10px;
}
.field input:focus { outline: none; border-color: var(--green); }
[dir="rtl"] .field input[dir="ltr"] { text-align: right; }

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 44px;
  margin: 4px 0 20px;
  cursor: pointer;
}
.consent input {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin: 4px 0 0;
  accent-color: var(--green);
}

.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.error {
  margin: 0 0 16px;
  padding: 6px 12px;
  font-weight: 600;
  border-inline-start: 4px solid var(--orange);
}

/* Buttons */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  padding: 12px 20px;
  font: inherit;
  font-weight: 700;
  font-size: 1.05rem;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 12px;
  cursor: pointer;
}
.btn + .btn { margin-top: 10px; }
.btn-primary { color: var(--ink); background: var(--orange); }
.btn-secondary { color: var(--green); background: var(--bg); border-color: var(--green); }
.btn-ghost { color: var(--muted); background: none; }
@media (hover: hover) {
  .btn-primary:hover { background: var(--orange-dark); }
  .btn-secondary:hover { background: var(--green-tint); }
  .btn-ghost:hover { color: var(--ink); }
}

.card {
  margin-bottom: 20px;
  padding: 16px;
  text-align: center;
  border: 2px solid var(--green);
  border-radius: 14px;
}
.card p { margin: 0 0 12px; font-weight: 600; }

/* Test screen */
.test-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 8px 0 14px;
  border-bottom: 1px solid var(--line);
}
.logo-small { width: auto; height: 32px; }
.chip {
  padding: 2px 12px;
  font-weight: 700;
  color: var(--bg);
  background: var(--green);
  border-radius: 999px;
}
.counter { font-weight: 600; color: var(--muted); }

.ring {
  position: relative;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  margin-inline-start: auto;
}
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
[dir="rtl"] .ring svg { transform: scaleX(-1) rotate(-90deg); }
.ring circle { fill: none; stroke-width: 4; }
.ring-track { stroke: var(--line); }
.ring-bar {
  stroke: var(--orange);
  stroke-dasharray: 125.66;
  transition: stroke-dashoffset .2s linear;
}
#timer-num {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: .95rem;
}

.passage {
  margin: 0 0 18px;
  padding: 12px 16px;
  font-size: .98rem;
  line-height: 1.65;
  white-space: pre-line;
  border: 1px solid var(--line);
  border-inline-start: 4px solid var(--green);
  border-radius: 10px;
}
#q-text {
  margin: 0 0 20px;
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.45;
}
.options { display: grid; gap: 12px; }
.option {
  min-height: 56px;
  padding: 12px 16px;
  font: inherit;
  font-size: 1.05rem;
  text-align: start;
  color: var(--ink);
  background: var(--bg);
  border: 2px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
}
@media (hover: hover) {
  .option:hover { border-color: var(--green); }
}
.option.selected { background: var(--green-tint); border-color: var(--green); }

.block-card { padding: 56px 16px; text-align: center; }
.block-card p { margin: 0 0 8px; }
.block-done { font-size: 1.4rem; font-weight: 700; color: var(--green); }

/* Result screen */
.hello { margin: 0 0 12px; font-weight: 600; text-align: center; }
.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 0 20px;
  padding: 20px;
  background: var(--green-tint);
  border-radius: 20px;
}
.badge-sub {
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--green);
}
.badge-name { font-size: 1.15rem; font-weight: 700; }
.note {
  padding: 6px 12px;
  font-weight: 600;
  border-inline-start: 4px solid var(--orange);
}
.muted { font-size: .92rem; color: var(--muted); }
.course { padding-top: 12px; border-top: 1px solid var(--line); }
.actions { margin-top: 24px; }

/* Result screen — 4 skill bars + Writing/Speaking feedback (spec §11 items 5-6) */
.skill-bars {
  display: grid;
  gap: 10px;
  margin: 4px 0 20px;
}
.skill-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  min-width: 0;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.skill-bar-label { font-weight: 600; }
.skill-bar-chip {
  padding: 4px 12px;
  font-weight: 700;
  color: var(--green);
  white-space: nowrap;
  background: var(--green-tint);
  border-radius: 999px;
}
.skill-bar-chip--na {
  font-weight: 600;
  color: var(--muted);
  background: var(--line);
  white-space: normal;
}
.feedback {
  margin: 0 0 12px;
  padding: 12px 14px;
  font-size: .95rem;
  line-height: 1.6;
  background: var(--green-tint);
  border-inline-start: 4px solid var(--green);
  border-radius: 10px;
}
.feedback strong { display: block; margin-bottom: 4px; }

/* Sound check / Analyzing */
.spinner {
  width: 40px;
  height: 40px;
  margin: 24px auto;
  border: 4px solid var(--line);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* part:listening */
.listen-card { margin-bottom: 20px; text-align: center; }
.listen-card .btn { margin-top: 4px; }
.listen-plays-left { margin: 10px 0 0; font-weight: 600; color: var(--muted); }

.listen-timer { margin: 0 0 20px; }
.listen-timer-bar {
  width: 100%;
  height: 8px;
  overflow: hidden;
  background: var(--line);
  border-radius: 999px;
}
.listen-timer-fill {
  width: 100%;
  height: 100%;
  background: var(--orange);
  transition: width .2s linear;
}
.listen-timer-num {
  display: block;
  margin-top: 6px;
  font-weight: 700;
  color: var(--muted);
  text-align: center;
}
/* /part:listening */

/* part:writing */
.writing-prompt {
  margin: 4px 0 20px;
  padding: 16px;
  overflow-wrap: anywhere;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  text-align: left;
  white-space: pre-line;
  border: 1px solid var(--line);
  border-inline-start: 4px solid var(--green);
  border-radius: 10px;
}
.writing-textarea {
  display: block;
  width: 100%;
  min-height: 200px;
  margin-bottom: 8px;
  padding: 12px 14px;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  border: 2px solid var(--line);
  border-radius: 10px;
  resize: vertical;
}
.writing-textarea:focus { outline: none; border-color: var(--green); }
.writing-counter {
  margin: 0 0 20px;
  font-weight: 600;
  color: var(--muted);
  text-align: start;
}
#writing-submit:disabled { opacity: .5; cursor: not-allowed; }
/* /part:writing */

/* part:speaking */
#screen-speaking { min-width: 0; }
.speaking-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding: 8px 0 14px;
  border-bottom: 1px solid var(--line);
}
.speaking-step {
  min-width: 0;
  margin-inline-start: auto;
  overflow-wrap: anywhere;
  font-weight: 600;
  color: var(--muted);
  text-align: end;
}
.speaking-prompt {
  margin: 18px 0 24px;
  padding: 18px;
  overflow-wrap: anywhere;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.15rem;
  line-height: 1.55;
  text-align: left;
  white-space: pre-line;
  border: 2px solid var(--green);
  border-radius: 14px;
}
.speaking-meter {
  width: 100%;
  height: 16px;
  margin: 22px 0;
  overflow: hidden;
  background: var(--line);
  border-radius: 999px;
}
.speaking-meter-fill {
  display: block;
  width: 0;
  height: 100%;
  background: var(--green);
  border-radius: inherit;
  transition: width .08s linear;
}
.speaking-status,
.speaking-message {
  min-height: 52px;
  margin: 0 0 18px;
  text-align: center;
}
.speaking-message {
  padding: 10px 12px;
  font-weight: 600;
  border-inline-start: 4px solid var(--orange);
  text-align: start;
}
.speaking-countdown {
  margin: 28px 0;
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  color: var(--green);
}
.speaking-recording { color: var(--orange-dark); }
/* /part:speaking */

@media print {
  .topbar, .actions { display: none !important; }
  main { max-width: none; padding: 0; }
  .badge,
  .skill-bar-chip,
  .skill-bar-chip--na,
  .feedback {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .skill-bar { break-inside: avoid; }
  .feedback { break-inside: avoid; }
}