/* ========== NISM Series VIII - Equity Derivatives ========== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;900&family=Source+Sans+3:wght@400;600;700&display=swap');

:root {
  --blue:    rgb(30, 100, 180);
  --lblue:   rgb(210, 232, 255);
  --green:   rgb(20, 140, 60);
  --lgreen:  rgb(210, 245, 220);
  --red:     rgb(200, 30, 30);
  --lred:    rgb(255, 215, 215);
  --saffron: rgb(255, 153, 0);
  --lsaffron:rgb(255, 237, 200);
  --violet:  rgb(120, 30, 180);
  --lviolet: rgb(235, 215, 255);
  --teal:    rgb(0, 150, 140);
  --lteal:   rgb(200, 245, 242);
  --bg:      rgb(245, 248, 255);
  --dark:    rgb(15, 25, 50);
  --white:   #ffffff;
  --shadow:  0 4px 18px rgba(30,100,180,0.13);
  --radius:  12px;
}

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

body {
  font-family: 'Source Sans 3', sans-serif;
  background: var(--bg);
  color: var(--dark);
  font-size: 16px;
  line-height: 1.7;
}

/* ---- TOP HEADER ---- */
#top-header {
  background: linear-gradient(135deg, rgb(15,50,120) 0%, rgb(30,100,180) 50%, rgb(0,140,120) 100%);
  color: white;
  text-align: center;
  padding: 32px 20px 24px;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
#top-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 900;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
#top-header p {
  font-size: 0.95rem;
  margin-top: 6px;
  opacity: 0.9;
  font-weight: 600;
}

/* ---- NAV BAR ---- */
#navbar {
  background: var(--dark);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 16px;
  justify-content: center;
  position: sticky;
  top: 110px;
  z-index: 999;
}
.nav-btn {
  background: var(--saffron);
  color: var(--dark);
  border: 2px solid var(--dark);
  border-radius: 6px;
  padding: 6px 14px;
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.nav-btn:hover { background: var(--white); color: var(--dark); transform: translateY(-2px); }
.nav-btn.blue    { background: var(--blue);    color: white; border-color: var(--blue); }
.nav-btn.green   { background: var(--green);   color: white; border-color: var(--green); }
.nav-btn.red     { background: var(--red);     color: white; border-color: var(--red); }
.nav-btn.violet  { background: var(--violet);  color: white; border-color: var(--violet); }
.nav-btn.teal    { background: var(--teal);    color: white; border-color: var(--teal); }
.nav-btn.saffron { background: var(--saffron); color: var(--dark); }
.nav-btn:hover { opacity: 0.85; transform: translateY(-2px) scale(1.04); }

/* ---- PRINT BUTTON ---- */
#print-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--red);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 14px 26px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(200,30,30,0.4);
  z-index: 2000;
  transition: all 0.2s;
  font-family: 'Source Sans 3', sans-serif;
}
#print-btn:hover { background: rgb(160,20,20); transform: scale(1.07); }

/* ---- MAIN CONTENT ---- */
main { max-width: 1200px; margin: 0 auto; padding: 32px 20px 80px; }

/* ---- SECTION CARDS ---- */
.section-card {
  border-radius: var(--radius);
  margin-bottom: 36px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 2.5px solid transparent;
}
.section-card.blue   { border-color: var(--blue);   }
.section-card.green  { border-color: var(--green);  }
.section-card.red    { border-color: var(--red);    }
.section-card.saffron{ border-color: var(--saffron);}
.section-card.violet { border-color: var(--violet); }
.section-card.teal   { border-color: var(--teal);   }

.section-header {
  padding: 18px 28px;
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem;
  font-weight: 900;
  color: white;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 0.5px;
}
.section-card.blue   .section-header { background: var(--blue);   }
.section-card.green  .section-header { background: var(--green);  }
.section-card.red    .section-header { background: var(--red);    }
.section-card.saffron .section-header{ background: var(--saffron); color: var(--dark); }
.section-card.violet .section-header { background: var(--violet); }
.section-card.teal   .section-header { background: var(--teal);   }

.section-body {
  padding: 24px 28px;
  background: white;
}
.section-card.blue   .section-body { background: var(--lblue);   }
.section-card.green  .section-body { background: var(--lgreen);  }
.section-card.red    .section-body { background: var(--lred);    }
.section-card.saffron .section-body{ background: var(--lsaffron);}
.section-card.violet .section-body { background: var(--lviolet); }
.section-card.teal   .section-body { background: var(--lteal);   }

/* ---- HEADINGS ---- */
h2.sub-head {
  font-family: 'Playfair Display', serif;
  font-size: 1.12rem;
  font-weight: 700;
  margin: 18px 0 8px;
  padding-left: 10px;
  border-left: 5px solid var(--blue);
  color: var(--dark);
}
h3.sub-sub {
  font-size: 0.98rem;
  font-weight: 700;
  margin: 12px 0 6px;
  color: var(--dark);
}

/* ---- BULLET LISTS ---- */
ul.nism-list {
  list-style: none;
  padding-left: 0;
  margin: 8px 0 12px;
}
ul.nism-list li {
  padding: 6px 10px 6px 32px;
  position: relative;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 6px;
  margin-bottom: 4px;
}
ul.nism-list li::before {
  content: '▶';
  position: absolute;
  left: 8px;
  color: var(--saffron);
  font-size: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
}
ul.nism-list li:hover { background: rgba(255,153,0,0.1); }

/* ---- TABLES ---- */
.nism-table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 18px;
  font-size: 0.9rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.nism-table thead tr {
  background: var(--blue);
  color: white;
}
.section-card.green .nism-table thead tr  { background: var(--green);  }
.section-card.red .nism-table thead tr    { background: var(--red);    }
.section-card.saffron .nism-table thead tr{ background: var(--saffron); color: var(--dark); }
.section-card.violet .nism-table thead tr { background: var(--violet); }
.section-card.teal .nism-table thead tr   { background: var(--teal);   }

.nism-table th, .nism-table td {
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  border: 1px solid rgba(0,0,0,0.1);
}
.nism-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.6); }
.nism-table tbody tr:hover { background: rgba(255,153,0,0.15); }

/* ---- BADGE / TAG ---- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  margin: 2px 3px;
}
.badge-blue   { background: var(--blue);   color: white; }
.badge-green  { background: var(--green);  color: white; }
.badge-red    { background: var(--red);    color: white; }
.badge-saffron{ background: var(--saffron);color: var(--dark); }
.badge-violet { background: var(--violet); color: white; }
.badge-teal   { background: var(--teal);   color: white; }

/* ---- FLOWCHART ---- */
#flowchart-area {
  overflow-x: auto;
  padding: 10px 0;
}
#flowchart-svg { min-width: 680px; width: 100%; font-family: 'Source Sans 3', sans-serif; }

/* ---- MINDMAP ---- */
#mindmap-area { overflow-x: auto; padding: 10px 0; }
#mindmap-svg  { min-width: 900px; width: 100%; font-family: 'Source Sans 3', sans-serif; }

/* ---- ROADMAP ---- */
#roadmap-area { overflow-x: auto; padding: 10px 0; }
#roadmap-svg  { min-width: 720px; width: 100%; font-family: 'Source Sans 3', sans-serif; }

/* ---- DISCLAIMER ---- */
.disclaimer {
  background: linear-gradient(90deg, var(--lred), var(--lsaffron));
  border: 2.5px solid var(--red);
  border-radius: var(--radius);
  padding: 16px 24px;
  margin: 30px 0;
  font-weight: 700;
  font-size: 0.93rem;
  color: rgb(160, 20, 20);
  text-align: center;
}

/* ---- PRINT ---- */
@media print {
  #top-header { position: relative; }
  #navbar      { display: none; }
  #print-btn   { display: none; }
  .section-card{ box-shadow: none; page-break-inside: avoid; }
  body { font-size: 12pt; }
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 10px; }