@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,600;0,700;1,400&family=Source+Sans+3:wght@300;400;600;700&display=swap');

:root {
  --obs2-bg:        #ffffff;
  --obs2-surface:   #f8f9fa;
  --obs2-border:    #e4e7ec;
  --obs2-border-2:  #c9d0da;
  --obs2-text:      #1a1f2e;
  --obs2-muted:     #5a6478;
  --obs2-subtle:    #8e97a8;
  --obs2-accent:    #1a6b4a;
  --obs2-accent-l:  #e8f5ef;
  --obs2-accent-2:  #2d8a62;
  --obs2-red:       #c0392b;
  --obs2-orange:    #d4691a;
  --obs2-yellow:    #b07d1a;
  --obs2-green:     #1a6b4a;
  --obs2-red-bg:    #fdf3f2;
  --obs2-orange-bg: #fdf6ef;
  --obs2-yellow-bg: #fdfaef;
  --obs2-green-bg:  #eef8f3;
  --obs2-font-body: 'Source Sans 3', sans-serif;
  --obs2-font-head: 'Lora', serif;
  --obs2-max-w:     680px;
  --obs2-r:         6px;
}

#obs2 *, #obs2 *::before, #obs2 *::after { box-sizing: border-box; margin: 0; padding: 0; }

#obs2 {
  font-family: var(--obs2-font-body);
  background: var(--obs2-bg);
  color: var(--obs2-text);
  max-width: var(--obs2-max-w);
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.7;
}

/* Progress */
.obs2-progress {
  height: 3px;
  background: var(--obs2-border);
  position: relative;
  margin-bottom: 2.5rem;
}
.obs2-progress-fill {
  height: 100%;
  background: var(--obs2-accent);
  transition: width .45s ease;
  width: 0;
}
.obs2-progress-txt {
  position: absolute;
  right: 0;
  top: 8px;
  font-size: .72rem;
  color: var(--obs2-subtle);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
}

/* Steps */
.obs2-step { display: none; animation: obs2-in .3s ease both; }
.obs2-step.active { display: block; }
@keyframes obs2-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Typography */
.obs2-kicker {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--obs2-accent);
  display: block;
  margin-bottom: .75rem;
}
.obs2-h1 {
  font-family: var(--obs2-font-head);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--obs2-text);
  margin-bottom: 1.25rem;
}
.obs2-h2 {
  font-family: var(--obs2-font-head);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--obs2-text);
  margin-bottom: .5rem;
  line-height: 1.3;
}
.obs2-lead {
  font-size: 1rem;
  color: var(--obs2-muted);
  line-height: 1.75;
  margin-bottom: 1.1rem;
}
.obs2-desc {
  font-size: .95rem;
  color: var(--obs2-muted);
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

/* Intro checklist */
.obs2-intro-head { margin-bottom: 2rem; }
.obs2-checklist {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--obs2-border);
  border-radius: var(--obs2-r);
  overflow: hidden;
  margin-bottom: 1.75rem;
}
.obs2-check-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--obs2-border);
  background: #fff;
  transition: background .15s;
}
.obs2-check-item:last-child { border-bottom: none; }
.obs2-check-item--highlight { background: var(--obs2-accent-l); }
.obs2-check-item strong { font-weight: 700; color: var(--obs2-text); display: block; margin-bottom: .2rem; }
.obs2-check-item p { font-size: .87rem; color: var(--obs2-muted); line-height: 1.5; margin: 0; }
.obs2-check-num {
  width: 28px; height: 28px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--obs2-border-2);
  border-radius: 50%;
  font-size: .8rem; font-weight: 700;
  color: var(--obs2-muted);
  margin-top: .1rem;
}
.obs2-check-num--acc {
  border-color: var(--obs2-accent);
  color: var(--obs2-accent);
  background: var(--obs2-accent-l);
}

.obs2-disclaimer {
  font-size: .8rem;
  color: var(--obs2-subtle);
  border-left: 2px solid var(--obs2-border-2);
  padding-left: .875rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Form */
.obs2-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem 1.5rem;
  margin-bottom: 2rem;
}
.obs2-field { display: flex; flex-direction: column; gap: .4rem; }
.obs2-field--wide { grid-column: 1 / -1; }
.obs2-field--sub { margin-left: 1rem; border-left: 2px solid var(--obs2-border); padding-left: 1rem; }
.obs2-label {
  font-size: .82rem;
  font-weight: 700;
  color: var(--obs2-text);
}
.obs2-field-note { font-size: .77rem; color: var(--obs2-subtle); }

.obs2-input {
  border: 1px solid var(--obs2-border-2);
  background: #fff;
  color: var(--obs2-text);
  padding: .6rem .75rem;
  border-radius: var(--obs2-r);
  font-family: var(--obs2-font-body);
  font-size: .95rem;
  font-weight: 600;
  outline: none;
  width: 100%;
  -moz-appearance: textfield;
  transition: border-color .15s;
}
.obs2-input::-webkit-outer-spin-button,
.obs2-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.obs2-input:focus {
  border-color: var(--obs2-accent);
  box-shadow: 0 0 0 3px rgba(26,107,74,.12);
}
.obs2-input::placeholder { color: #c5cad4; font-weight: 400; }

.obs2-radio-row { display: flex; gap: .75rem; }
.obs2-radio-card {
  flex: 1; display: flex; align-items: center; gap: .5rem;
  padding: .6rem .75rem;
  border: 1px solid var(--obs2-border-2);
  border-radius: var(--obs2-r);
  cursor: pointer;
  font-size: .9rem; font-weight: 600;
  color: var(--obs2-muted);
  transition: all .15s;
}
.obs2-radio-card input { accent-color: var(--obs2-accent); }
.obs2-radio-card:has(input:checked) { border-color: var(--obs2-accent); color: var(--obs2-accent); background: var(--obs2-accent-l); }

/* STOP-BANG */
.obs2-sb-list {
  border: 1px solid var(--obs2-border);
  border-radius: var(--obs2-r);
  overflow: hidden;
  margin-bottom: 2rem;
}
.obs2-sb-row {
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: .75rem 1rem;
  align-items: start;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--obs2-border);
  background: #fff;
}
.obs2-sb-row:last-child { border-bottom: none; }
.obs2-sb-row:has(input:checked) { background: var(--obs2-surface); }
.obs2-sb-letter { font-family: var(--obs2-font-head); font-size: 1.15rem; font-weight: 700; color: var(--obs2-accent); padding-top: .15rem; }
.obs2-sb-label  { font-size: .88rem; font-weight: 700; color: var(--obs2-text); margin-bottom: .2rem; }
.obs2-sb-desc   { font-size: .82rem; color: var(--obs2-muted); line-height: 1.5; }
.obs2-sb-auto   { font-size: .78rem; color: var(--obs2-accent-2); font-style: italic; margin-top: .3rem; min-height: 1rem; }

.obs2-yn { display: flex; gap: .4rem; flex-shrink: 0; align-self: center; }
.obs2-yn-btn {
  padding: .35rem .9rem;
  border: 1px solid var(--obs2-border-2);
  border-radius: var(--obs2-r);
  cursor: pointer;
  font-size: .82rem; font-weight: 700;
  background: #fff; color: var(--obs2-muted);
  transition: all .15s; white-space: nowrap;
  font-family: var(--obs2-font-body);
}
.obs2-yn-btn input { display: none; }
.obs2-yn-btn:has(input[value="1"]:checked) { border-color: var(--obs2-red); color: var(--obs2-red); background: var(--obs2-red-bg); }
.obs2-yn-btn:has(input[value="0"]:checked) { border-color: var(--obs2-accent); color: var(--obs2-accent); background: var(--obs2-accent-l); }

/* Epworth */
.obs2-ep-scale-legend {
  display: flex; justify-content: space-between;
  font-size: .71rem; color: var(--obs2-subtle);
  text-transform: uppercase; letter-spacing: .05em; font-weight: 700;
  margin-bottom: .5rem;
}
.obs2-ep-list {
  border: 1px solid var(--obs2-border);
  border-radius: var(--obs2-r);
  overflow: hidden;
  margin-bottom: 2rem;
}
.obs2-ep-row {
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 1rem;
  padding: .875rem 1.25rem;
  border-bottom: 1px solid var(--obs2-border);
  background: #fff;
  transition: background .15s;
}
.obs2-ep-row:last-child { border-bottom: none; }
.obs2-ep-row:has(input:checked) { background: var(--obs2-surface); }
.obs2-ep-label { font-size: .88rem; color: var(--obs2-text); line-height: 1.45; font-weight: 500; }
.obs2-ep-opts  { display: flex; gap: .3rem; flex-shrink: 0; }
.obs2-ep-opt   { cursor: pointer; }
.obs2-ep-opt input { display: none; }
.obs2-ep-opt span {
  width: 38px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--obs2-border-2);
  border-radius: var(--obs2-r);
  font-size: .88rem; font-weight: 700;
  background: #fff; color: var(--obs2-muted);
  transition: all .15s;
}
.obs2-ep-opt:has(input:checked) span {
  border-color: var(--obs2-accent);
  background: var(--obs2-accent);
  color: #fff;
}

/* Berlin */
.obs2-berlin-section {
  border: 1px solid var(--obs2-border);
  border-radius: var(--obs2-r);
  padding: 1.25rem;
  margin-bottom: 1rem;
  display: flex; flex-direction: column; gap: 1rem;
}
.obs2-berlin-heading {
  font-size: .78rem; font-weight: 700;
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--obs2-accent);
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--obs2-border);
  margin-bottom: 0;
}
.obs2-radio-col { display: flex; flex-direction: column; gap: .25rem; margin-top: .35rem; }
.obs2-rc {
  display: flex; align-items: center; gap: .6rem;
  font-size: .88rem; cursor: pointer;
  padding: .4rem .6rem;
  border-radius: var(--obs2-r);
  border: 1px solid transparent;
  transition: all .15s; font-weight: 500; color: var(--obs2-muted);
}
.obs2-rc:hover { background: var(--obs2-surface); }
.obs2-rc:has(input:checked) { background: var(--obs2-accent-l); border-color: var(--obs2-accent); color: var(--obs2-accent); }
.obs2-rc input { accent-color: var(--obs2-accent); flex-shrink: 0; }

/* ── Reakcja ── */
.obs2-rt-wrap {
  border: 1px solid var(--obs2-border);
  border-radius: var(--obs2-r);
  padding: 1.5rem;
  margin-bottom: 2rem;
  text-align: center;
}
.obs2-rt-status p { font-size: .95rem; color: var(--obs2-muted); margin-bottom: 1rem; }
.obs2-rt-scores { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: center; margin-bottom: 1rem; min-height: 1.5rem; }
.obs2-rt-score-chip {
  padding: .2rem .75rem;
  border-radius: 99px;
  font-size: .8rem; font-weight: 700;
  background: var(--obs2-surface);
  border: 1px solid var(--obs2-border);
  color: var(--obs2-muted);
}
.obs2-rt-score-chip.fast   { background: var(--obs2-accent-l); border-color: var(--obs2-accent); color: var(--obs2-accent); }
.obs2-rt-score-chip.medium { background: var(--obs2-yellow-bg); border-color: var(--obs2-yellow); color: var(--obs2-yellow); }
.obs2-rt-score-chip.slow   { background: var(--obs2-red-bg); border-color: var(--obs2-red); color: var(--obs2-red); }

.obs2-rt-arena {
  min-height: 220px;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 1rem;
  background: var(--obs2-surface);
  border-radius: var(--obs2-r);
  border: 1px dashed var(--obs2-border-2);
  margin-bottom: 1rem; cursor: default; user-select: none;
  position: relative;
}
.obs2-rt-target {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: var(--obs2-border);
  transition: background .1s, transform .1s;
  cursor: pointer;
}
.obs2-rt-target.wait { background: var(--obs2-border); animation: obs2-pulse 1.2s ease-in-out infinite; }
.obs2-rt-target.ready { background: var(--obs2-accent); transform: scale(1.08); cursor: pointer; box-shadow: 0 0 0 6px var(--obs2-accent-l); }
.obs2-rt-target.hit   { background: var(--obs2-border-2); transform: scale(.9); }
@keyframes obs2-pulse { 0%,100%{opacity:.4} 50%{opacity:.8} }
.obs2-rt-trial { font-size: .78rem; color: var(--obs2-subtle); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }

.obs2-rt-results { margin-bottom: 1rem; }
.obs2-rt-avg { font-family: var(--obs2-font-head); font-size: 1.75rem; font-weight: 700; margin-bottom: .3rem; color: var(--obs2-text); }
.obs2-rt-interp { font-size: .9rem; color: var(--obs2-muted); margin-bottom: 1.25rem; line-height: 1.6; }
.obs2-rt-bar-wrap { max-width: 360px; margin: 0 auto; }
.obs2-rt-bar-bg {
  height: 10px; background: var(--obs2-border);
  border-radius: 99px; overflow: hidden;
  position: relative; margin-bottom: .75rem;
}
.obs2-rt-bar-fill { height: 100%; border-radius: 99px; transition: width 1.2s ease; width: 0; }
.obs2-rt-bar-label { font-size: .72rem; color: var(--obs2-subtle); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.obs2-rt-bar-label--l { float: left; }
.obs2-rt-bar-label--r { float: right; }

.obs2-rt-start { margin-top: .5rem; }

/* Buttons */
.obs2-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--obs2-border); gap: 1rem; }
.obs2-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .65rem 1.6rem; border-radius: var(--obs2-r);
  font-family: var(--obs2-font-body); font-size: .92rem; font-weight: 700;
  cursor: pointer; border: none; transition: all .15s; outline: none;
}
.obs2-btn--primary { background: var(--obs2-accent); color: #fff; }
.obs2-btn--primary:hover:not(:disabled) { background: var(--obs2-accent-2); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(26,107,74,.25); }
.obs2-btn--primary:disabled { opacity: .45; cursor: not-allowed; }
.obs2-btn--ghost { background: #fff; color: var(--obs2-muted); border: 1px solid var(--obs2-border-2); }
.obs2-btn--ghost:hover { color: var(--obs2-text); border-color: var(--obs2-accent); }

.obs2-error { background: var(--obs2-red-bg); border: 1px solid #f5c6c2; color: var(--obs2-red); border-radius: var(--obs2-r); padding: .65rem .875rem; font-size: .85rem; font-weight: 600; margin-bottom: 1rem; display: none; }
.obs2-error.show { display: block; }

/* ── WYNIK ── */
.obs2-result {}
.obs2-result-banner {
  padding: 1.5rem 1.5rem 1.25rem;
  border-radius: var(--obs2-r);
  border-left: 4px solid;
  margin-bottom: 2rem;
}
.obs2-result-banner.green  { background: var(--obs2-green-bg);  border-color: var(--obs2-green); }
.obs2-result-banner.yellow { background: var(--obs2-yellow-bg); border-color: var(--obs2-yellow); }
.obs2-result-banner.orange { background: var(--obs2-orange-bg); border-color: var(--obs2-orange); }
.obs2-result-banner.red    { background: var(--obs2-red-bg);    border-color: var(--obs2-red); }

.obs2-result-banner-title { font-family: var(--obs2-font-head); font-size: 1.45rem; font-weight: 700; margin-bottom: .4rem; }
.obs2-result-banner-desc  { font-size: .93rem; line-height: 1.7; color: var(--obs2-text); }

.obs2-scores-table {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--obs2-border);
  border-radius: var(--obs2-r);
  overflow: hidden;
  margin-bottom: 2rem;
  font-size: .88rem;
}
.obs2-scores-table th { background: var(--obs2-surface); font-weight: 700; font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--obs2-subtle); padding: .6rem 1rem; text-align: left; border-bottom: 1px solid var(--obs2-border); }
.obs2-scores-table td { padding: .75rem 1rem; border-bottom: 1px solid var(--obs2-border); vertical-align: middle; }
.obs2-scores-table tr:last-child td { border-bottom: none; }
.obs2-scores-table tr:nth-child(even) td { background: var(--obs2-surface); }
.obs2-score-val { font-family: var(--obs2-font-head); font-size: 1.3rem; font-weight: 700; }

.obs2-risk-bar-wrap { margin: .75rem 0 0; }
.obs2-risk-bar-bg { height: 6px; background: var(--obs2-border); border-radius: 99px; overflow: hidden; }
.obs2-risk-bar-fill { height: 100%; border-radius: 99px; transition: width 1.2s ease; width: 0; }

.obs2-section-title { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--obs2-subtle); padding-bottom: .5rem; border-bottom: 1px solid var(--obs2-border); margin-bottom: 1rem; margin-top: 2rem; }
.obs2-recs { display: flex; flex-direction: column; gap: .7rem; margin-bottom: 2rem; }
.obs2-rec-item { font-size: .9rem; line-height: 1.65; color: var(--obs2-text); padding-left: 1.2rem; position: relative; }
.obs2-rec-item::before { content: '→'; position: absolute; left: 0; color: var(--obs2-accent); font-weight: 700; }

.obs2-result-footer { font-size: .78rem; color: var(--obs2-subtle); border-top: 1px solid var(--obs2-border); padding-top: 1.25rem; margin-top: 2rem; line-height: 1.65; }

/* Color helpers */
.obs2-c-green  { color: var(--obs2-green); }
.obs2-c-yellow { color: var(--obs2-yellow); }
.obs2-c-orange { color: var(--obs2-orange); }
.obs2-c-red    { color: var(--obs2-red); }

/* Mobile */
@media (max-width: 560px) {
  .obs2-grid-2     { grid-template-columns: 1fr; }
  .obs2-sb-row     { grid-template-columns: 1.5rem 1fr; }
  .obs2-yn         { grid-column: 1 / -1; }
  .obs2-ep-row     { grid-template-columns: 1fr; }
  .obs2-ep-opts    { margin-top: .4rem; }
  .obs2-ep-scale-legend { display: none; }
  .obs2-h1         { font-size: 1.45rem; }
  .obs2-progress-txt { display: none; }
}