/* =============================================
   ROX HEALTH · PRESENTATION THEME
   Faithful to roxhealth.com CI:
   Font: Poppins · Blue: hsl(225,100%,50%) · Red: hsl(348,100%,61%)
   ============================================= */

:root {
  /* Official RoxHealth brand palette */
  --rox-blue:        #0042ff;   /* primary blue */
  --rox-blue-dark:   #0035cc;   /* darker shade for headings */
  --rox-blue-xdark:  #002299;
  --rox-blue-mid:    #007dec;   /* official shade 1 */
  --rox-blue-soft:   #5ea3ec;   /* official shade 2 */
  --rox-blue-light:  #e8f3fd;   /* derived pale */
  --rox-blue-pale:   #f0f6ff;
  --rox-red:         #ff3a55;   /* primary red */
  --rox-red-mid:     #ff7168;   /* official shade 1 */
  --rox-red-light:   #fcaeaa;   /* official shade 2 */
  --rox-red-bg:      #fff0f2;
  --rox-red-border:  #fdbcc3;
  --rox-dark:        #333333;   /* official secondary */
  --rox-black:       #000000;
  --rox-text:        #333333;
  --rox-text-mid:    #555555;
  --rox-muted:       #888888;
  --rox-bg:          #ffffff;
  --rox-bg-subtle:   #f6f7fa;
  --rox-border:      #dde1ea;
  --rox-font:        'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --rox-hero:        linear-gradient(135deg, #0042ff 0%, #0035cc 100%);
}

/* ─── White theme base overrides ──────────────── */
.reveal-viewport { background: #fff !important; }
body              { background: #fff !important; }

/* Ensure all typed slides fill the full slide area so flex centering works */
.reveal .slides section.slide-title,
.reveal .slides section.slide-concept,
.reveal .slides section.slide-step,
.reveal .slides section.slide-closing,
.reveal .slides section.slide-section-divider {
  top: 0 !important;
  height: 100% !important;
  min-height: 100% !important;
  box-sizing: border-box;
}

.reveal {
  font-family: var(--rox-font);
  font-size: 1.45rem;
  color: var(--rox-text);
  line-height: 1.6;
}

.reveal h1, .reveal h2, .reveal h3 {
  font-family: var(--rox-font);
  font-weight: 700;
  color: var(--rox-blue-dark);
  text-transform: none;
  letter-spacing: -0.025em;
  line-height: 1.15;
  text-shadow: none;
  margin: 0 0 0.5em;
}

.reveal h1 { font-size: 2.5em; }
.reveal h2 { font-size: 1.75em; }
.reveal h3 { font-size: 1.15em; }
.reveal p  { color: var(--rox-text); font-size: 0.9em; margin: 0.35em 0; }
.reveal a  { color: var(--rox-blue); text-decoration: none; }

.reveal ul, .reveal ol {
  text-align: left;
  margin-left: 0;
  padding: 0;
  list-style: none;
}
.reveal li {
  margin: 0.45em 0;
  font-size: 0.86em;
  line-height: 1.5;
  color: var(--rox-text);
  padding-left: 1.8em;
  position: relative;
}
/* Arrow-right bullet — actual brand asset from roxhealth.com */
.reveal li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.28em;
  width: 1.1em;
  height: 0.9em;
  background-image: url('https://roxhealth.com/assets/arrow-right-lhkNxbrR.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: left center;
  opacity: 0.55;
}

.reveal strong { color: var(--rox-blue); font-weight: 700; }
.reveal em     { color: var(--rox-muted); font-style: italic; }

/* ─── Code ────────────────────────────────────── */
.reveal code {
  font-family: 'SF Mono', 'Menlo', 'Consolas', 'Courier New', monospace;
  background: var(--rox-blue-light);
  color: var(--rox-blue-dark);
  border: 1px solid var(--rox-blue-mid);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  font-size: 0.84em;
}
.reveal pre {
  position: relative;
  background: #0d1a40;
  border-left: 4px solid var(--rox-blue);
  border-radius: 8px;
  padding: 0.9em 1.3em;
  margin: 0.7em auto;
  width: 94%;
  text-align: left;
  box-shadow: 0 6px 24px rgba(0,66,255,0.14);
}
.reveal pre code {
  background: none; border: none; padding: 0;
  color: #b8d0ff;
  font-size: 0.93em;
  line-height: 1.7;
}

/* ─── Reveal UI ───────────────────────────────── */
.reveal .progress          { color: var(--rox-red); height: 3px; }
.reveal .controls          { color: var(--rox-blue); }
.reveal .slide-number      {
  background: transparent;
  color: var(--rox-muted);
  font-family: var(--rox-font);
  font-size: 0.58rem;
  font-weight: 500;
  right: 20px; bottom: 16px;
}

/* ─── Hero slide overrides (dark blue bg) ──────── */
/* Reveal.js adds .has-dark-background automatically when bg is dark */
.reveal .slides .has-dark-background h2,
.reveal .slides .has-dark-background h1 {
  color: #fff;
}
/* Explicit hero class for total control */
.reveal .slides section.slide-hero h2,
.reveal .slides section.slide-hero h1,
.reveal .slides section.slide-hero p,
.reveal .slides section.slide-hero li,
.reveal .slides section.slide-hero .deck-subtitle,
.reveal .slides section.slide-hero .presenter-info,
.reveal .slides section.slide-hero .next-steps li,
.reveal .slides section.slide-hero .contact {
  color: #fff !important;
}
.reveal .slides section.slide-hero strong { color: var(--rox-red) !important; }
.reveal .slides section.slide-hero li::before {
  filter: brightness(0) invert(1);
  opacity: 0.7;
}
.logo-img-dark  { filter: brightness(0) invert(1); }

/* =============================================
   SLIDE TYPE: TITLE
   ============================================= */
.reveal .slides section.slide-title {
  display: flex !important;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  height: 100%;
  padding: 3rem 5rem;
  position: relative;
}
.slide-title .logo-wrap    { margin-bottom: 2.8rem; }
.slide-title .logo-img     { height: 34px; width: auto; }

.slide-title .deck-eyebrow {
  font-size: 0.55em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.55);
  margin: 0 0 0.7em;
}
.slide-title .deck-title {
  font-family: var(--rox-font);
  font-size: 4.2em;
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: #fff;
  text-transform: uppercase;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.06em;
}
/* "VIBE" label above the main title word */
.deck-title-top {
  font-size: 0.32em;
  font-weight: 700;
  letter-spacing: 0.28em;
  opacity: 0.55;
  color: #fff;
  display: block;
  line-height: 1;
  text-transform: uppercase;
}
.slide-title .deck-title em {
  font-style: normal;
  color: var(--rox-red);
  line-height: 0.88;
}
.slide-title .accent-rule {
  width: 56px; height: 4px;
  background: var(--rox-red);
  margin: 1.1em 0 1.0em;
}
.slide-title .deck-subtitle {
  font-size: 0.88em;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  line-height: 1.5;
  margin: 0;
  max-width: 580px;
}
.slide-title .presenter-info {
  margin-top: 2.2rem;
  font-size: 0.6em;
  font-weight: 500;
  color: rgba(255,255,255,0.42);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* =============================================
   SLIDE TYPE: SECTION DIVIDER  (split panel)
   ============================================= */
.reveal .slides section.slide-section-divider {
  display: flex !important;
  flex-direction: row;
  align-items: stretch;
  height: 100%;
  padding: 0;
  overflow: hidden;
}
.slide-section-divider .sd-left {
  width: 42%;
  background: var(--rox-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
/* Decorative circle behind number */
.slide-section-divider .sd-left::after {
  content: '';
  position: absolute;
  width: 140%;
  height: 140%;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  top: -20%;
  left: -20%;
}
.slide-section-divider .section-number {
  font-size: 7.5em;
  font-weight: 900;
  color: rgba(255,255,255,0.9);
  line-height: 1;
  letter-spacing: -0.05em;
  position: relative;
  z-index: 1;
}
.slide-section-divider .sd-right {
  flex: 1;
  padding: 3rem 3rem 3rem 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #fff;
}
.slide-section-divider .section-label {
  font-size: 0.52em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--rox-blue);
  margin: 0 0 0.6em;
}
.slide-section-divider .section-title {
  font-size: 1.85em;
  font-weight: 800;
  color: var(--rox-dark);
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}
.slide-section-divider .section-rule {
  width: 40px; height: 3px;
  background: var(--rox-red);
  margin-top: 1.2rem;
}

/* =============================================
   SLIDE TYPE: CONCEPT
   ============================================= */
.reveal .slides section.slide-concept {
  display: flex !important;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  height: 100%;
  padding: 2.5rem 4rem;
  text-align: left;
}
.slide-concept h2  { text-align: left; margin-bottom: 0.65em; }

.slide-concept .big-statement {
  font-size: 2.6em;
  font-weight: 900;
  color: var(--rox-blue-dark);
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  width: 100%;
  margin-bottom: 0.4em;
}

.slide-concept .callout {
  background: var(--rox-blue-light);
  border-left: 4px solid var(--rox-blue);
  border-radius: 0 6px 6px 0;
  padding: 0.7em 1.1em;
  margin: 0.7em 0;
  font-size: 0.78em;
  color: var(--rox-text);
  line-height: 1.55;
}

/* Intro line under heading */
.slide-intro {
  font-size: 0.75em !important;
  color: var(--rox-blue) !important;
  font-weight: 600;
  margin: -0.3em 0 0.55em !important;
}

/* Limits box */
.limits-box {
  background: #fff8f0;
  border: 1px solid #ffdcb8;
  border-left: 4px solid #ff9a3c;
  border-radius: 0 6px 6px 0;
  padding: 0.6em 1.1em 0.65em;
  margin-top: 0.65em;
  width: 100%;
}
.limits-label {
  font-size: 0.64em !important;
  font-weight: 700 !important;
  color: #cc5500 !important;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 0.3em !important;
}
.limits-box ul { margin: 0; padding: 0; }
.limits-box li {
  font-size: 0.73em;
  color: #5a3a1a;
  margin: 0.18em 0;
  padding-left: 1.3em;
}
.limits-box li::before {
  background-image: none;
  content: '—';
  color: #ff9a3c;
  font-weight: 700;
  font-size: 0.9em;
  width: auto;
  height: auto;
  top: 0;
}

/* Two-column */
.slide-concept .two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  width: 100%;
  margin-top: 0.5em;
}
.slide-concept .col-label {
  font-size: 0.56em;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--rox-blue);
  font-weight: 700;
  margin-bottom: 0.35em;
}
.slide-concept .col-box {
  background: var(--rox-bg-subtle);
  border: 1px solid var(--rox-border);
  border-radius: 8px;
  padding: 0.8em 1em;
  font-size: 0.75em;
}
.slide-concept .col-box ul { margin: 0; padding: 0; }
.slide-concept .col-box li { font-size: 1em; margin: 0.3em 0; color: var(--rox-text-mid); }
.slide-concept .col-box li::before { opacity: 0.3; }

.slide-concept .col-box.accent-box {
  background: var(--rox-blue-light);
  border-color: var(--rox-blue-mid);
}
.slide-concept .col-box.accent-box li           { color: var(--rox-blue-dark); }
.slide-concept .col-box.accent-box li::before   { opacity: 0.9; }
.slide-concept .col-box.accent-box strong       { color: var(--rox-blue); }

/* Chat bubbles */
.slide-concept .chat-demo {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.8em;
  margin-top: 0.5em;
}
.slide-concept .chat-bubble {
  padding: 0.65em 1.1em;
  border-radius: 10px;
  font-size: 0.79em;
  line-height: 1.5;
  max-width: 90%;
}
.slide-concept .chat-user {
  background: var(--rox-bg-subtle);
  border: 1px solid var(--rox-border);
  align-self: flex-start;
  color: var(--rox-text);
}
.slide-concept .chat-user::before {
  content: '👤  Du: ';
  color: var(--rox-muted);
  font-weight: 600;
  font-size: 0.9em;
}
.slide-concept .chat-claude {
  background: var(--rox-blue-light);
  border: 1px solid var(--rox-blue-mid);
  align-self: flex-end;
  color: var(--rox-blue-dark);
}
.slide-concept .chat-claude::before {
  content: '🤖  Claude: ';
  color: var(--rox-blue);
  font-weight: 600;
  font-size: 0.9em;
}

/* Big stat */
.slide-concept .stat-big {
  font-size: 5.5em;
  font-weight: 900;
  color: var(--rox-blue);
  line-height: 1;
  letter-spacing: -0.06em;
  margin: 0 0 0.08em;
}

/* Agenda list */
.agenda-list {
  list-style: none;
  margin: 0; padding: 0;
  width: 100%;
}
.agenda-list li {
  display: flex;
  align-items: center;
  gap: 1em;
  padding: 0.7em 0;
  border-bottom: 1px solid var(--rox-border);
  font-size: 0.92em;
  padding-left: 0;
}
.agenda-list li::before { display: none; }
.agenda-list li:last-child { border-bottom: none; }

.agenda-num {
  font-size: 0.68em;
  font-weight: 800;
  color: #fff;
  background: var(--rox-blue);
  width: 2.1em; height: 2.1em;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: 0;
}
.agenda-title {
  flex: 1;
  font-weight: 600;
  color: var(--rox-text);
}

/* =============================================
   SLIDE TYPE: STEP
   ============================================= */
.reveal .slides section.slide-step {
  display: flex !important;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  height: 100%;
  padding: 2.5rem 4rem;
  text-align: left;
}
.slide-step .step-badge {
  font-size: 0.52em;
  font-weight: 700;
  color: #fff;
  background: var(--rox-blue);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 0.32em 1.1em;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 0.7em;
}
.slide-step h2             { text-align: left; margin-bottom: 0.5em; }
.slide-step .step-instruction {
  font-size: 0.76em;
  color: var(--rox-muted);
  margin: 0.25em 0 0.5em;
  line-height: 1.45;
}
.slide-step .callout {
  background: var(--rox-blue-light);
  border-left: 4px solid var(--rox-blue);
  border-radius: 0 6px 6px 0;
  padding: 0.6em 1em;
  margin-top: 0.6em;
  font-size: 0.76em;
  color: var(--rox-text-mid);
  line-height: 1.5;
}
.slide-step .warning-box {
  background: var(--rox-red-bg);
  border: 1px solid var(--rox-red-border);
  border-left: 4px solid var(--rox-red);
  border-radius: 0 6px 6px 0;
  padding: 0.6em 1em;
  font-size: 0.74em;
  color: var(--rox-text);
  margin-top: 0.7em;
  line-height: 1.5;
}

/* =============================================
   SLIDE TYPE: CLOSING
   ============================================= */
.reveal .slides section.slide-closing {
  display: flex !important;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  height: 100%;
  padding: 3rem 5rem;
  position: relative;
  overflow: hidden;
}
.slide-closing .logo-wrap  { margin-bottom: 2rem; }
.slide-closing h2 {
  font-size: 2.6em;
  font-weight: 900;
  color: #fff !important;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  margin-bottom: 0.5em;
}
.slide-closing .cta-box {
  background: var(--rox-red);
  color: #fff;
  border-radius: 6px;
  padding: 0.5em 1.6em;
  font-size: 0.8em;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1em;
  display: inline-block;
}
.slide-closing .next-steps {
  list-style: none;
  margin: 0; padding: 0;
}
.slide-closing .next-steps li {
  font-size: 0.78em;
  color: rgba(255,255,255,0.78) !important;
  padding: 0.28em 0 0.28em 1.8em;
  border-bottom: none;
}
.slide-closing .next-steps li::before {
  filter: brightness(0) invert(1);
  opacity: 0.6;
}
.slide-closing .contact {
  font-size: 0.6em;
  color: rgba(255,255,255,0.42) !important;
  margin-top: 1.5em;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.slide-closing .contact a { color: rgba(255,255,255,0.65) !important; }

/* Fist decorative element — website brand visual */
.fist-deco {
  position: absolute;
  right: -2rem;
  bottom: -2rem;
  opacity: 0.1;
  pointer-events: none;
}
.fist-deco img {
  width: 260px;
  filter: brightness(0) invert(1);
}

/* ─── Hero slide decorative brand icons ────── */
.hero-deco {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}
.hero-deco img {
  display: block;
  filter: brightness(0) invert(1);
}
.hero-deco-1 {
  right: 4rem;
  top: 50%;
  transform: translateY(-58%);
  width: 210px;
  opacity: 0.08;
}
.hero-deco-2 {
  right: 8rem;
  bottom: 5.5rem;
  width: 120px;
  opacity: 0.06;
}

/* ─── Section divider bottom icon ──────────── */
.sd-section-icon {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  opacity: 0.25;
  pointer-events: none;
  z-index: 1;
}
.sd-section-icon img {
  display: block;
  width: 100%;
  filter: brightness(0) invert(1);
}

/* ─── Stat row with inline icon ─────────────── */
.stat-row {
  display: flex;
  align-items: center;
  gap: 0.3em;
}
.stat-row .stat-big { margin: 0; }
.stat-icon {
  width: 56px;
  opacity: 0.18;
  flex-shrink: 0;
  position: relative;
  top: -0.1em;
}

/* =============================================
   PERSISTENT FOOTER
   ============================================= */
.rox-footer {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.2rem;
  background: rgba(255,255,255,0.96);
  border-top: 1px solid var(--rox-border);
  z-index: 200;
  font-family: var(--rox-font);
  font-size: 0.6rem;
  color: var(--rox-muted);
  letter-spacing: 0.03em;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-sizing: border-box;
}

#footer-logo {
  height: 16px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.footer-talk {
  font-weight: 600;
  color: var(--rox-text-mid);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 0.45em;
  white-space: nowrap;
  margin-left: auto;
}

.footer-divider { color: var(--rox-border); }

#footer-section-name {
  font-weight: 700;
  color: var(--rox-blue);
}

#footer-slide-num { color: var(--rox-muted); }

/* Dark variant for hero gradient slides */
.rox-footer.footer-dark {
  background: rgba(0, 53, 204, 0.70);
  border-top-color: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.rox-footer.footer-dark .footer-talk    { color: rgba(255,255,255,0.65); }
.rox-footer.footer-dark #footer-section-name { color: rgba(255,255,255,0.9); }
.rox-footer.footer-dark #footer-slide-num    { color: rgba(255,255,255,0.4); }
.rox-footer.footer-dark .footer-divider      { color: rgba(255,255,255,0.25); }
.rox-footer.footer-dark #footer-logo        { filter: brightness(0) invert(1); }

/* Reserve bottom space on all slides so content doesn't hide behind footer */
.reveal .slides section.slide-concept,
.reveal .slides section.slide-step {
  padding-bottom: 3.5rem !important;
}
.reveal .slides section.slide-title,
.reveal .slides section.slide-closing {
  padding-bottom: 3rem !important;
}

/* =============================================
   GOTCHA LIST  (s3-09)
   ============================================= */
.gotcha-list  { width: 100%; margin-top: 0.4em; }
.gotcha-item  {
  display: flex;
  align-items: flex-start;
  gap: 0.7em;
  padding: 0.55em 0.9em;
  border-radius: 6px;
  margin-bottom: 0.4em;
  font-size: 0.77em;
  background: var(--rox-bg-subtle);
  border: 1px solid var(--rox-border);
  line-height: 1.45;
}
.gotcha-icon { font-size: 1.1em; flex-shrink: 0; margin-top: 0.1em; }
.gotcha-text { flex: 1; }
.gotcha-text strong {
  display: block;
  margin-bottom: 0.18em;
  color: var(--rox-text);
  font-weight: 600;
}

/* =============================================
   COPY BUTTON  (code blocks + chat prompts)
   ============================================= */
.copy-btn {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 5px;
  padding: 0.2em 0.7em;
  font-family: var(--rox-font);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 1;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  line-height: 1.9;
  z-index: 10;
}
.copy-btn:hover  { background: rgba(255,255,255,0.22); color: #fff; }
.copy-btn.copied { background: var(--rox-blue); color: #fff; border-color: var(--rox-blue); opacity: 1; }

/* Chat bubble copy */
.chat-bubble { position: relative; }
.chat-copy-btn {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  background: transparent;
  border: 1px solid var(--rox-border);
  border-radius: 4px;
  padding: 0.15em 0.55em;
  font-family: var(--rox-font);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--rox-muted);
  cursor: pointer;
  opacity: 1;
  transition: color 0.2s, border-color 0.2s;
  line-height: 1.8;
}
.chat-copy-btn.copied { color: var(--rox-blue); border-color: var(--rox-blue); opacity: 1; }

/* =============================================
   BORROWED FROM TUM DECK — DESIGN ACCENTS
   ============================================= */

/* ── 1. Diagonal stripe decoration ────────────
   Use: add .stripe-deco + position class to any
   slide that has position:relative / overflow:hidden */
.stripe-deco {
  position: absolute;
  width: 320px;
  height: 320px;
  pointer-events: none;
  z-index: 0;
  background: repeating-linear-gradient(
    45deg,
    var(--rox-blue) 0px,
    var(--rox-blue) 10px,
    #fff 10px,
    #fff 20px
  );
  opacity: 0.20;
}
/* On blue/dark backgrounds use lighter stripes */
.stripe-deco-light {
  position: absolute;
  width: 320px;
  height: 320px;
  pointer-events: none;
  z-index: 0;
  background: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.45) 0px,
    rgba(255,255,255,0.45) 10px,
    transparent 10px,
    transparent 20px
  );
}
/* Red stripe variant */
.stripe-deco-red {
  position: absolute;
  width: 320px;
  height: 320px;
  pointer-events: none;
  z-index: 0;
  background: repeating-linear-gradient(
    45deg,
    var(--rox-red) 0px,
    var(--rox-red) 10px,
    #fff 10px,
    #fff 20px
  );
  opacity: 0.18;
}
/* Corner position helpers */
.deco-bl { bottom: 0; left:  0; }
.deco-br { bottom: 0; right: 0; }
.deco-tr { top:    0; right: 0; }
.deco-tl { top:    0; left:  0; }

/* ── 2. Bold banner column header ──────────────
   Drop-in replacement for .col-label — full-width
   solid band with white text, like TUM slide headers */
.col-banner {
  display: flex;
  align-items: center;
  gap: 0.4em;
  width: 100%;
  padding: 0.6em 1em;
  background: var(--rox-blue);
  color: #fff;
  font-size: 0.63em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 6px 6px 0 0;
  margin-bottom: 0;
  box-sizing: border-box;
}
.col-banner-dark {
  display: flex;
  align-items: center;
  gap: 0.4em;
  width: 100%;
  padding: 0.6em 1em;
  background: #374151;
  color: rgba(255,255,255,0.85);
  font-size: 0.63em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 6px 6px 0 0;
  margin-bottom: 0;
  box-sizing: border-box;
}
.col-banner-red {
  display: flex;
  align-items: center;
  gap: 0.4em;
  width: 100%;
  padding: 0.6em 1em;
  background: var(--rox-red);
  color: #fff;
  font-size: 0.63em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 6px 6px 0 0;
  margin-bottom: 0;
  box-sizing: border-box;
}
/* When a col-box directly follows a banner, remove its top radius */
.col-banner + .col-box,
.col-banner-dark + .col-box,
.col-banner-red + .col-box {
  border-radius: 0 0 8px 8px;
  border-top: none;
}

/* Classic column de-emphasized items */
.col-box-classic li { color: #6b7280 !important; }
.col-box-classic li::before { opacity: 0.2 !important; }

/* ── 3. Full-width key band ────────────────────
   Bottom-anchored emphasis bar, like TUM's
   "Key Question" strip */
.key-band {
  position: absolute;
  bottom: 34px; /* above footer */
  left: 0; right: 0;
  background: var(--rox-blue);
  color: #fff;
  display: flex;
  align-items: stretch;
  font-size: 0.72em;
  line-height: 1.4;
  z-index: 5;
}
.key-band-label {
  background: var(--rox-blue-xdark);
  padding: 0.55em 1.1em;
  font-weight: 800;
  font-size: 0.88em;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  white-space: nowrap;
  flex-shrink: 0;
}
.key-band-text {
  padding: 0.55em 1.2em;
  display: flex;
  align-items: center;
  flex: 1;
}

/* =============================================
   KEYBOARD SHORTCUTS  (screenshot slide)
   ============================================= */
kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f4f4f6;
  border: 1px solid #c8c8cc;
  border-bottom: 3px solid #b0b0b8;
  border-radius: 6px;
  padding: 0.1em 0.55em;
  font-family: -apple-system, 'SF Pro Display', BlinkMacSystemFont, sans-serif;
  font-size: 0.82em;
  font-weight: 600;
  color: #222;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12);
  min-width: 1.6em;
  text-align: center;
}

.shortcut-flow {
  display: flex;
  align-items: center;
  gap: 0.8em;
  width: 100%;
  margin: 0.6em 0 0.7em;
  flex-wrap: nowrap;
}
.shortcut-step {
  flex: 1;
  background: var(--rox-bg-subtle);
  border: 1px solid var(--rox-border);
  border-radius: 10px;
  padding: 0.8em 1em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45em;
  text-align: center;
}
.shortcut-step p {
  font-size: 0.63em !important;
  color: var(--rox-text-mid) !important;
  line-height: 1.4;
  margin: 0 !important;
}
.shortcut-keys {
  display: flex;
  align-items: center;
  gap: 0.25em;
  flex-wrap: wrap;
  justify-content: center;
}
.key-plus {
  font-size: 0.65em;
  font-weight: 700;
  color: var(--rox-muted);
}
.shortcut-arrow {
  font-size: 1.1em;
  color: var(--rox-blue);
  font-weight: 700;
  flex-shrink: 0;
}
.shortcut-result {
  background: var(--rox-blue);
  color: #fff;
  border-color: transparent;
}
.shortcut-result p { color: rgba(255,255,255,0.85) !important; }
.shortcut-result-icon {
  font-size: 1.3em;
  line-height: 1;
}

/* =============================================
   SIDE NAVIGATION DRAWER
   ============================================= */
.slide-nav {
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  width: 264px;
  z-index: 1000;
  transform: translateX(-264px);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  pointer-events: auto;
}
.slide-nav.open { transform: translateX(0); }

.nav-content {
  flex: 1;
  background: rgba(255,255,255,0.98);
  border-right: 1px solid var(--rox-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 6px 0 36px rgba(0,0,0,0.13);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.nav-header {
  padding: 1.1rem 1.2rem 0.85rem;
  border-bottom: 1px solid var(--rox-border);
  display: flex;
  align-items: center;
  gap: 0.65em;
  flex-shrink: 0;
  background: var(--rox-blue);
}
.nav-header img  { display: block; height: 14px; filter: brightness(0) invert(1); }
.nav-header span {
  font-size: 0.56rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.75);
}

.nav-list {
  list-style: none;
  margin: 0; padding: 0.4rem 0 2rem;
  overflow-y: auto;
  flex: 1;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.65em;
  padding: 0.42em 1.1em;
  cursor: pointer;
  transition: background 0.15s;
}
.nav-item:hover  { background: var(--rox-blue-pale); }
.nav-item.active { background: var(--rox-blue-pale); }
.nav-item.active .nav-num {
  background: var(--rox-blue);
  color: #fff;
  border-color: var(--rox-blue);
}
.nav-item.nav-section {
  padding-top: 0.72em;
  padding-bottom: 0.72em;
  margin-top: 0.3em;
  border-top: 1px solid var(--rox-border);
}
.nav-item.nav-section .nav-title {
  font-weight: 700;
  color: var(--rox-blue);
  font-size: 0.63rem;
}
.nav-item.nav-section .nav-num {
  background: var(--rox-blue-pale);
  border-color: var(--rox-blue-soft);
  color: var(--rox-blue);
}
.nav-num {
  flex-shrink: 0;
  width: 1.65em; height: 1.65em;
  border-radius: 50%;
  background: var(--rox-bg-subtle);
  border: 1px solid var(--rox-border);
  font-size: 0.52rem;
  font-weight: 700;
  color: var(--rox-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.nav-title {
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--rox-text-mid);
  line-height: 1.4;
  flex: 1;
}

/* Toggle hidden during presentation — triggered by [N] key only */
.nav-toggle { display: none; }

/* Transparent backdrop that catches outside-clicks */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
}
.nav-backdrop.visible { display: block; }

/* =============================================
   IDE VS. CLAUDE TERMINAL  (s1-vis)
   ============================================= */
.reveal .slides section.slide-concept.slide-ide-compare {
  padding: 1.8rem 2.8rem 2.5rem;
}
.slide-ide-compare h2 { margin-bottom: 0.5em; font-size: 1.45em; }

.ide-compare-wrap {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
  width: 100%;
  flex: 1;
}

/* Flex column so window elements can grow with flex: 1 */
.compare-col {
  display: flex;
  flex-direction: column;
}

/* Column label */
.compare-label {
  font-size: 0.56em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin: 0 0 0.45em;
}
.compare-label--classic { color: var(--rox-muted); }
.compare-label--vibe    { color: var(--rox-blue); }

/* VS badge */
.compare-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 1.6em;
}
.vs-badge {
  width: 3rem; height: 3rem;
  background: var(--rox-red);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68em;
  font-weight: 900;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 18px rgba(255,58,85,0.45);
  flex-shrink: 0;
}

/* Shared window chrome */
.ide-window, .terminal-window {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.28);
  display: flex;
  flex-direction: column;
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
  flex: 1;
}
.win-titlebar {
  display: flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.42em 0.8em;
  flex-shrink: 0;
}
.win-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.wd-red    { background: #ff5f56; }
.wd-yellow { background: #ffbd2e; }
.wd-green  { background: #27c93f; }
.win-filename {
  margin-left: 0.5em;
  font-size: 0.56em;
  color: rgba(255,255,255,0.45);
  font-family: var(--rox-font);
  font-weight: 500;
}

/* IDE panel */
.ide-window { background: #1e1e1e; }
.ide-window .win-titlebar { background: #323232; }
.ide-code {
  flex: 1;
  padding: 0.6em 0.5em 0.6em 0;
  overflow: hidden;
  font-size: 0.65em;
  line-height: 1.65;
}
.ide-line {
  display: flex;
  align-items: baseline;
  white-space: pre;
  padding: 0 0.6em 0 0;
}
.ide-line.sc-selected { background: rgba(255,255,255,0.06); }
.ln {
  width: 2.2em;
  text-align: right;
  color: #555;
  font-size: 0.88em;
  flex-shrink: 0;
  padding-right: 1.2em;
  user-select: none;
}
/* Syntax token colors (VS Code Dark+) */
.sc-tag   { color: #4ec9b0; }
.sc-attr  { color: #9cdcfe; }
.sc-eq    { color: #d4d4d4; }
.sc-str   { color: #ce9178; }
.sc-text  { color: #d4d4d4; }
.sc-cm    { color: #6a9955; font-style: italic; }
.sc-cursor-block {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: #aeafad;
  animation: blink 1.1s step-end infinite;
  vertical-align: text-bottom;
}
@keyframes blink { 50% { opacity: 0; } }

/* Terminal panel */
.terminal-window { background: #0d0d0d; }
.terminal-window .win-titlebar { background: #1a1a1a; }
.terminal-body {
  flex: 1;
  padding: 0.7em 1em;
  display: flex;
  flex-direction: column;
  gap: 0.1em;
  font-size: 0.66em;
  line-height: 1.65;
}
.t-line { display: flex; align-items: flex-start; gap: 0.5em; }
.t-spacer { height: 0.4em; }
.t-prompt-line .t-caret { color: var(--rox-blue); font-weight: 700; flex-shrink: 0; }
.t-prompt-line .t-cmd   { color: #fff; }
.t-brand {
  color: var(--rox-blue);
  font-family: var(--rox-font);
  font-size: 0.92em;
  font-weight: 700;
  padding: 0.15em 0;
}
.t-brand .t-dim { color: rgba(255,255,255,0.35); font-weight: 400; }
.t-user { align-items: flex-start; }
.t-arrow {
  color: var(--rox-blue);
  font-weight: 900;
  font-size: 1.05em;
  flex-shrink: 0;
  margin-top: 0.05em;
}
.t-user-text {
  color: #fff;
  font-family: var(--rox-font);
  font-size: 0.9em;
  font-weight: 500;
  line-height: 1.5;
}
.t-check { gap: 0.6em; }
.t-tick  { color: #4ec9b0; font-weight: 700; flex-shrink: 0; }
.t-file  { color: #9cdcfe; }
.t-check span:last-child { color: rgba(255,255,255,0.65); }
.t-response {
  color: rgba(255,255,255,0.55);
  font-family: var(--rox-font);
  font-size: 0.88em;
  padding-left: 1.1em;
  line-height: 1.5;
  border-left: 2px solid var(--rox-blue);
  margin-top: 0.2em;
  margin-left: 0.4em;
  padding: 0.2em 0.6em;
}