:root {
  --ink: #0f172a;
  --muted: #5f6b7d;
  --paper: #eef2f8;
  --card: #ffffff;
  --accent-green: #16a34a;
  --accent-cyan: #0891b2;
  --accent-orange: #f97316;
  --accent-rose: #ef4444;
  --shadow: 0 24px 56px rgba(15, 23, 42, 0.14);
}

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(22, 163, 74, 0.18), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(8, 145, 178, 0.2), transparent 32%),
    radial-gradient(circle at 50% 90%, rgba(249, 115, 22, 0.14), transparent 36%),
    var(--paper);
  min-height: 100vh;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Sora', sans-serif;
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.navbar-brand:hover {
  color: var(--ink);
}

.brand-logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.brand-text {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-credit {
  margin: 0;
}

.footer-link {
  color: var(--accent-green);
  text-decoration: none;
  font-weight: 600;
}

.footer-link:hover {
  color: #15803d;
  text-decoration: underline;
}

.landing-calc-page {
  position: relative;
  isolation: isolate;
}

.calculator-stage {
  position: relative;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.stage-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  opacity: 0.45;
  z-index: -1;
  animation: orbFloat 12s ease-in-out infinite;
}

.stage-orb-a {
  width: 360px;
  height: 360px;
  top: -70px;
  left: -90px;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.55), transparent 68%);
}

.stage-orb-b {
  width: 420px;
  height: 420px;
  right: -120px;
  top: 40px;
  background: radial-gradient(circle, rgba(8, 145, 178, 0.5), transparent 70%);
  animation-delay: -3.2s;
}

.stage-orb-c {
  width: 330px;
  height: 330px;
  left: 45%;
  bottom: -160px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.45), transparent 70%);
  animation-delay: -6.3s;
}

.calculator-shell {
  width: 100%;
  border-radius: 30px;
  padding: clamp(1rem, 2vw, 1.6rem);
  background:
    linear-gradient(120deg, rgba(22, 163, 74, 0.28), rgba(8, 145, 178, 0.24), rgba(249, 115, 22, 0.25));
  box-shadow: var(--shadow);
  animation: shellIn 650ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.calculator-panel {
  position: relative;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  padding: clamp(1rem, 2vw, 1.6rem);
}

.calculator-controls {
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(6px);
}

.calculator-output {
  background:
    linear-gradient(140deg, rgba(15, 23, 42, 0.92), rgba(3, 105, 161, 0.86));
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

.calculator-output .text-muted,
.calculator-output .mini-label,
.calculator-output small.text-muted {
  color: rgba(226, 232, 240, 0.75) !important;
}

.calculator-eyebrow {
  display: inline-flex;
  margin: 0;
  padding: 0.28rem 0.66rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #0f5132;
  background: rgba(22, 163, 74, 0.14);
}

.calculator-title {
  margin-bottom: 0.55rem;
  font-size: clamp(1.7rem, 2.5vw, 2.35rem);
  letter-spacing: -0.02em;
}

.calculator-subtitle {
  color: var(--muted);
  font-size: 0.98rem;
}

.calculator-period-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.calculator-controls .form-label {
  font-weight: 600;
  font-size: 0.88rem;
}

.calculator-controls .form-select {
  border: 1px solid rgba(15, 23, 42, 0.18);
  min-height: 46px;
}

.calculator-controls .form-select:focus {
  border-color: rgba(22, 163, 74, 0.54);
  box-shadow: 0 0 0 0.2rem rgba(22, 163, 74, 0.16);
}

.calc-submit-btn {
  --btn-gradient-start: #16a34a;
  --btn-gradient-end: #0891b2;
  border: none;
  background: linear-gradient(112deg, var(--btn-gradient-start), var(--btn-gradient-end));
  color: #fff;
  min-height: 48px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.calc-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(8, 145, 178, 0.28);
  color: #fff;
}

.calc-submit-btn.is-loading {
  pointer-events: none;
}

.calc-submit-btn .btn-spinner {
  display: none;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 999px;
}

.calc-submit-btn.is-loading .btn-spinner {
  display: inline-block;
  animation: spin 700ms linear infinite;
}

.calc-submit-btn:disabled {
  opacity: 0.9;
}

.calc-error {
  color: #b91c1c;
  min-height: 1.1rem;
}

.result-label {
  font-size: 0.73rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.result-value {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.result-value.is-animating {
  animation: resultPop 500ms cubic-bezier(0.22, 0.7, 0.3, 1);
}

.calculator-output.flash {
  animation: panelPulse 700ms ease;
}

.admisi-breakdown h6 {
  color: #f1f5f9;
}

.admisi-stat {
  border-radius: 14px;
  padding: 13px 14px;
  border: 1px solid rgba(226, 232, 240, 0.2);
  background: rgba(15, 23, 42, 0.4);
}

.mini-label {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mini-value {
  display: block;
  font-weight: 700;
  font-size: 1.07rem;
}

.admisi-break-card {
  opacity: 0;
  transform: translateY(14px) scale(0.98);
  transition: opacity 380ms ease, transform 380ms ease;
}

.admisi-breakdown.is-visible .col-md-4:nth-child(1) .admisi-break-card {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-delay: 40ms;
}

.admisi-breakdown.is-visible .col-md-4:nth-child(2) .admisi-break-card {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-delay: 100ms;
}

.admisi-breakdown.is-visible .col-md-4:nth-child(3) .admisi-break-card {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-delay: 160ms;
}

.calculator-output.is-calculating::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 18%, rgba(255, 255, 255, 0.13) 45%, transparent 72%);
  animation: shimmer 980ms linear infinite;
  pointer-events: none;
}

.calculator-output.is-error {
  border-color: rgba(239, 68, 68, 0.52);
}

.calculator-output.is-done {
  border-color: rgba(34, 197, 94, 0.45);
}

.page-enter .stagger-item {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 620ms cubic-bezier(0.22, 0.7, 0.3, 1) forwards;
  animation-delay: calc(var(--stagger, 1) * 140ms + 80ms);
}

.page-header {
  margin-bottom: 20px;
}

.avatar-circle {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--accent-green), var(--accent-cyan));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

.error-card {
  max-width: 620px;
  margin: 0 auto;
  background: #ffffff;
  padding: 40px;
  border-radius: 24px;
  box-shadow: var(--shadow);
  text-align: center;
}

.error-code {
  font-size: 3rem;
  font-weight: 700;
  color: #b91c1c;
}

.btn-primary {
  background-color: var(--accent-green);
  border-color: var(--accent-green);
}

.btn-primary:hover {
  background-color: #15803d;
  border-color: #15803d;
}

.btn-outline-primary {
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.btn-outline-primary:hover {
  color: #ffffff;
  background-color: var(--accent-green);
  border-color: var(--accent-green);
}

.btn-outline-dark {
  border-color: rgba(15, 23, 42, 0.36);
}

.btn-dark {
  background-color: #0f172a;
  border-color: #0f172a;
}

.btn-dark:hover {
  background-color: #111827;
  border-color: #111827;
}

.select2-container {
  width: 100% !important;
}

.select2-container .select2-selection--single {
  height: 46px;
  border: 1px solid rgba(15, 23, 42, 0.18);
  border-radius: 0.5rem;
  padding: 0.25rem 0.2rem;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.select2-container .select2-selection--single .select2-selection__rendered {
  line-height: 2.2rem;
  padding-left: 0.65rem;
  color: #212529;
}

.select2-container .select2-selection--single .select2-selection__arrow {
  height: 46px;
  right: 4px;
}

.select2-container--default .select2-selection--single:focus,
.select2-container--default.select2-container--focus .select2-selection--single {
  border-color: rgba(22, 163, 74, 0.54);
  box-shadow: 0 0 0 0.2rem rgba(22, 163, 74, 0.16);
}

@media (max-width: 991.98px) {
  .calculator-stage {
    min-height: auto;
  }

  .calculator-shell {
    border-radius: 24px;
  }
}

@media (max-width: 575.98px) {
  .calculator-panel {
    border-radius: 18px;
    padding: 1rem;
  }

  .result-value {
    font-size: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shellIn {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes orbFloat {
  0%,
  100% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-16px) translateX(10px);
  }
}

@keyframes shimmer {
  from {
    transform: translateX(-120%);
  }
  to {
    transform: translateX(120%);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes resultPop {
  0% {
    transform: scale(0.96);
    opacity: 0.72;
  }
  65% {
    transform: scale(1.03);
    opacity: 1;
  }
  100% {
    transform: scale(1);
  }
}

@keyframes panelPulse {
  0% {
    box-shadow: 0 0 0 rgba(34, 197, 94, 0);
  }
  45% {
    box-shadow: 0 0 0 10px rgba(34, 197, 94, 0.16);
  }
  100% {
    box-shadow: 0 0 0 rgba(34, 197, 94, 0);
  }
}