/* WordPress Plugin Core Stylesheet - Cumulative GPA */
.cgpa-core {
  --cgpa-ink: #0f213a;
  --cgpa-muted: #64748b;
  --cgpa-line: #cbd5e1;
  --cgpa-primary: #1d4ed8;
  --cgpa-accent: #10b981;
  --cgpa-body: #475569;
  
  max-width: 1120px;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto 28px;
  padding: 24px;
  border: 1px solid var(--cgpa-line);
  border-radius: 12px;
  background: #ffffff;
  color: var(--cgpa-ink);
  box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.08);
  font-family: 'Inter', system-ui, sans-serif;
}

.cgpa-core * { box-sizing: border-box; }
.cgpa-core button, .cgpa-core input, .cgpa-core select { font: inherit; }

.cgpa-core__header, .cgpa-core__metrics, .cgpa-core__history, .cgpa-core__controls, .cgpa-core__semester-head, .cgpa-core__course, .cgpa-core__course-labels { display: grid; gap: 12px; }

.cgpa-core__header { grid-template-columns: 1fr auto; align-items: center; margin-bottom: 20px; border-bottom: 1px solid var(--cgpa-line); padding-bottom: 16px; }
.cgpa-core__header-actions { display: flex; gap: 8px; }

.cgpa-core__eyebrow { margin: 0 0 4px; color: var(--cgpa-primary); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.5px; }
.cgpa-core__header h2 { margin: 0; font-family: 'Outfit', sans-serif; font-size: 24px; font-weight: 700; color: var(--cgpa-ink); }

.cgpa-core__history { grid-template-columns: repeat(2, minmax(0, 220px)); padding: 14px; margin-bottom: 16px; background: #eff6ff; border-left: 4px solid var(--cgpa-primary); border-radius: 0 8px 8px 0; }

@keyframes cgpa-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.cgpa-core__metrics { grid-template-columns: 1.25fr repeat(3, 1fr); margin-bottom: 16px; }
.cgpa-core__metric { min-height: 96px; padding: 16px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--cgpa-line); border-radius: 8px; background-color: #f8fafc; transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease; position: relative; }
.cgpa-core__metric:hover { transform: translateY(-2px); box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.05); border-color: #94a3b8; }

.cgpa-core__metric--main { color: #ffffff; background: linear-gradient(135deg, #0f1c3f, #1e40af); border-color: transparent; }
.cgpa-core__metric--main:hover { box-shadow: 0 10px 15px -3px rgba(30, 64, 175, 0.2); border-color: transparent; }

.cgpa-core__metric span, .cgpa-core label, .cgpa-core__status { color: var(--cgpa-muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.cgpa-core__metric--main span { color: #cbd5e1; }
.cgpa-core__metric strong { font-size: 26px; line-height: 1.1; font-weight: 800; font-family: 'Outfit', sans-serif; }

.cgpa-core__controls { grid-template-columns: repeat(4, minmax(110px, 1fr)) auto auto; align-items: end; margin-bottom: 20px; background-color: #f8fafc; padding: 14px; border-radius: 8px; border: 1px solid #f1f5f9; }

.cgpa-core label { display: grid; gap: 6px; color: var(--cgpa-ink); font-weight: 600; text-transform: none; letter-spacing: 0; }
.cgpa-core input, .cgpa-core select { width: 100%; min-width: 0; min-height: 40px; padding: 0 10px; border: 1px solid var(--cgpa-line); border-radius: 6px; background: #ffffff; color: var(--cgpa-ink); transition: border-color 0.2s, box-shadow 0.2s; font-size: 13px; outline: none; }
.cgpa-core input:focus, .cgpa-core select:focus { border-color: #60a5fa; box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.15); }

.cgpa-core__toggle { min-height: 40px; grid-template-columns: 18px auto; align-items: center; white-space: nowrap; font-size: 13px; font-weight: 600; }
.cgpa-core__toggle input { min-height: 18px; width: 18px; cursor: pointer; }

.cgpa-core__button { min-height: 40px; padding: 0 16px; border: 0; border-radius: 6px; background: var(--cgpa-primary); color: #ffffff; font-weight: 700; cursor: pointer; transition: background-color 0.15s, transform 0.1s; font-size: 13px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.cgpa-core__button:hover { background-color: #1e40af; }
.cgpa-core__button:active { transform: scale(0.98); }

.cgpa-core__button--quiet { background: #f1f5f9; color: var(--cgpa-ink); border: 1px solid var(--cgpa-line); }
.cgpa-core__button--quiet:hover { background: #e2e8f0; }

.cgpa-core__button[data-action="reset"], .cgpa-core__button[data-action="remove-course"], .cgpa-core__button[data-action="remove-semester"] { background: #fef2f2; color: #ef4444; }
.cgpa-core__button[data-action="reset"]:hover, .cgpa-core__button[data-action="remove-course"]:hover, .cgpa-core__button[data-action="remove-semester"]:hover { background: #fee2e2; color: #b91c1c; }

.cgpa-core__semesters { display: grid; gap: 16px; }
.cgpa-core__semester { padding: 16px; border: 1px solid var(--cgpa-line); border-radius: 8px; background: #ffffff; }
.cgpa-core__semester--new { animation: cgpa-fade-in 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards; }

.cgpa-core__semester-head { grid-template-columns: minmax(180px, 1fr) auto auto; align-items: center; margin-bottom: 14px; border-bottom: 1px dashed #e2e8f0; padding-bottom: 10px; }
.cgpa-core__semester-title { font-weight: 800; border-color: transparent !important; background: transparent !important; padding: 0 !important; font-size: 16px; }
.cgpa-core__semester-title:focus { box-shadow: none !important; }
.cgpa-core__semester-stat { color: var(--cgpa-accent); font-weight: 700; font-size: 15px; }

.cgpa-core__course, .cgpa-core__course-labels { grid-template-columns: minmax(140px, 1fr) 88px 126px 120px 64px 40px; align-items: center; }
.cgpa-core:not(.is-weighted) .cgpa-core__course, .cgpa-core:not(.is-weighted) .cgpa-core__course-labels { grid-template-columns: minmax(140px, 1fr) 88px 126px 64px 40px; }

.cgpa-core__course-labels { padding: 0 12px 6px; color: var(--cgpa-muted); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.cgpa-core__course { margin-bottom: 8px; }
.cgpa-core__course--new { animation: cgpa-fade-in 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
.cgpa-core__points { color: var(--cgpa-accent); font-weight: 700; text-align: center; font-size: 14px; }
.cgpa-core__course .cgpa-core__button { padding: 0; width: 32px; height: 32px; min-height: 32px; display: flex; align-items: center; justify-content: center; font-size: 14px; }

.cgpa-core__status { margin: 16px 0 0; font-size: 13px; color: var(--cgpa-body); font-weight: 500; text-transform: none; letter-spacing: 0; }

@media (max-width: 820px) {
  .cgpa-core__metrics { grid-template-columns: repeat(2, 1fr); }
  .cgpa-core__controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cgpa-core__course-labels { display: none; }
  .cgpa-core__course, .cgpa-core:not(.is-weighted) .cgpa-core__course { grid-template-columns: minmax(120px, 1fr) 72px 105px 40px; }
  .cgpa-core__points { display: none; }
  .cgpa-core__course .cgpa-core__button[data-action="remove-course"] { grid-column: 4; grid-row: 1; }
  .cgpa-core__weight:not([hidden]) { display: block; grid-column: 1 / 4; }
}

@media (max-width: 520px) {
  .cgpa-core { padding: 16px; }
  .cgpa-core__header, .cgpa-core__metrics, .cgpa-core__history, .cgpa-core__controls, .cgpa-core__semester-head { grid-template-columns: 1fr; }
  .cgpa-core__course, .cgpa-core:not(.is-weighted) .cgpa-core__course { grid-template-columns: minmax(0, 1fr) 70px 92px 38px; gap: 6px; }
  .cgpa-core__metric { min-height: 76px; }
  .cgpa-core__header h2 { font-size: 20px; }
  .cgpa-core__header-actions { display: grid; grid-template-columns: repeat(3, 1fr); }
}

/* GPA GUIDE PAGES — PREMIUM REDESIGN */
.cgpa-guide {
  color: var(--cgpa-ink);
  font-family: 'Inter', sans-serif;
  max-width: 1120px;
  margin: 0 auto;
}

/* HERO */
.cgpa-guide__hero {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 32px;
  align-items: center;
  background: linear-gradient(135deg, #0f1c3f 0%, #1e3a8a 60%, #1d4ed8 100%);
  border-radius: 16px;
  padding: 40px 40px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}
.cgpa-guide__hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 50%, rgba(99,102,241,0.2) 0%, transparent 60%);
  pointer-events: none;
}
.cgpa-guide__hero-left { position: relative; z-index: 1; }
.cgpa-guide__badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid;
  margin-bottom: 16px;
}
.cgpa-guide__hero-gpa {
  font-family: 'Outfit', sans-serif;
  font-size: 80px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}
.cgpa-guide__hero-label {
  color: #94a3b8;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}
.cgpa-guide__summary {
  color: #cbd5e1;
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  margin: 0;
}

/* STAT GRID */
.cgpa-guide__hero-right { position: relative; z-index: 1; }
.cgpa-guide__stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.cgpa-guide__stat {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cgpa-guide__stat span {
  color: #94a3b8;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.cgpa-guide__stat strong {
  color: #f1f5f9;
  font-size: 20px;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
}

/* SCALE BAR */
.cgpa-guide__scale-bar { }
.cgpa-guide__scale-track {
  height: 10px;
  background: rgba(255,255,255,0.12);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 6px;
}
.cgpa-guide__scale-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 1s ease;
}
.cgpa-guide__scale-labels {
  display: flex;
  justify-content: space-between;
  color: #64748b;
  font-size: 11px;
  font-weight: 600;
}

/* SECTION */
.cgpa-guide__section {
  max-width: 900px;
  margin: 0 0 40px;
}
.cgpa-guide__section h2 {
  margin: 0 0 16px;
  font-family: 'Outfit', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--cgpa-ink);
  padding-bottom: 12px;
  border-bottom: 2px solid #f1f5f9;
}
.cgpa-guide__section p {
  color: var(--cgpa-body);
  line-height: 1.75;
  font-size: 15px;
  margin: 0 0 12px;
}

/* INFO NOTE */
.cgpa-guide__note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 16px;
  background: #eff6ff;
  border-left: 4px solid var(--cgpa-primary);
  border-radius: 0 8px 8px 0;
  color: #1e40af;
  font-size: 13px;
  line-height: 1.6;
  margin-top: 16px;
}
.cgpa-guide__note i { margin-top: 2px; flex-shrink: 0; }

/* CONTEXT CARDS */
.cgpa-guide__contexts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}
.cgpa-guide__ctx-card {
  padding: 20px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(15,23,42,0.04);
  transition: transform 0.2s, box-shadow 0.2s;
}
.cgpa-guide__ctx-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(15,23,42,0.08);
}
.cgpa-guide__ctx-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
}
.cgpa-guide__ctx-card h3 {
  margin: 0 0 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--cgpa-ink);
}
.cgpa-guide__ctx-card p {
  margin: 0;
  color: var(--cgpa-body);
  font-size: 14px;
  line-height: 1.65;
}

/* STEPS */
.cgpa-guide__steps {
  list-style: none;
  padding: 0;
  margin: 16px 0;
  display: grid;
  gap: 12px;
}
.cgpa-guide__steps li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  font-size: 15px;
  color: var(--cgpa-body);
  line-height: 1.6;
}
.cgpa-guide__step-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1d4ed8, #3b82f6);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
}

/* RELATED PILLS */
.cgpa-guide__related-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}
.cgpa-guide__pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: 100px;
  background: #eff6ff;
  color: var(--cgpa-primary);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid #bfdbfe;
  transition: background 0.2s, transform 0.15s, box-shadow 0.15s;
}
.cgpa-guide__pill:hover {
  background: #dbeafe;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(29,78,216,0.1);
}
.cgpa-guide__pill i { font-size: 11px; }

/* FAQ ACCORDION */
.cgpa-guide__faq-item {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  margin-bottom: 10px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.cgpa-guide__faq-item[open] {
  box-shadow: 0 4px 12px rgba(15,23,42,0.06);
}
.cgpa-guide__faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--cgpa-ink);
  background: #f8fafc;
  list-style: none;
  gap: 12px;
  outline: none;
}
.cgpa-guide__faq-item summary::-webkit-details-marker { display: none; }
.cgpa-guide__faq-item[open] summary { background: #eff6ff; color: var(--cgpa-primary); }
.cgpa-guide__faq-icon { transition: transform 0.25s; flex-shrink: 0; font-size: 13px; }
.cgpa-guide__faq-item[open] .cgpa-guide__faq-icon { transform: rotate(45deg); }
.cgpa-guide__faq-item p {
  padding: 14px 18px;
  margin: 0;
  color: var(--cgpa-body);
  font-size: 14px;
  line-height: 1.7;
  border-top: 1px solid #e2e8f0;
}

@media (max-width: 820px) {
  .cgpa-guide__hero { grid-template-columns: 1fr; padding: 28px 24px; }
  .cgpa-guide__hero-gpa { font-size: 60px; }
  .cgpa-guide__contexts { grid-template-columns: 1fr; }
  .cgpa-guide__stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .cgpa-guide__hero { padding: 20px 16px; }
  .cgpa-guide__hero-gpa { font-size: 48px; }
}

/* GUIDE INDEX */
.cgpa-guide-index { max-width: 1120px; margin: 0 auto 36px; padding: 24px 0; border-block: 1px solid var(--cgpa-line); font-family: 'Inter', sans-serif; }
.cgpa-guide-index header { display: grid; grid-template-columns: minmax(180px, .7fr) 1.3fr; gap: 24px; align-items: baseline; margin-bottom: 20px; }
.cgpa-guide-index h2 { margin: 0; font-family: 'Outfit', sans-serif; font-size: 24px; font-weight: 700; color: var(--cgpa-ink); }
.cgpa-guide-index header p { margin: 0; color: var(--cgpa-muted); line-height: 1.5; font-size: 14px; }

.cgpa-guide-index__links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cgpa-guide-index__links a { display: grid; gap: 6px; padding: 16px; border-top: 3px solid var(--cgpa-accent); background-color: #ffffff; color: var(--cgpa-ink); text-decoration: none; border-radius: 0 0 8px 8px; box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.04); border-inline: 1px solid #f1f5f9; border-bottom: 1px solid #f1f5f9; transition: transform 0.2s, box-shadow 0.2s; }
.cgpa-guide-index__links a:hover { transform: translateY(-2px); box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.05); }
.cgpa-guide-index__links a:hover strong { color: var(--cgpa-primary); }
.cgpa-guide-index__links strong { font-size: 17px; font-weight: 700; font-family: 'Outfit', sans-serif; }
.cgpa-guide-index__links span { color: var(--cgpa-muted); font-size: 12px; }

@media (max-width: 600px) {
  .cgpa-guide-index { padding-inline: 0; }
  .cgpa-guide-index header, .cgpa-guide-index__links { grid-template-columns: 1fr; }
  .cgpa-guide-index header { gap: 10px; }
}