html {
  scroll-behavior: smooth;
}

.gpa-app {
  --bg: #eef3ff;
  --ink: #14214f;
  --tx: #44507a;
  --b: #2447d6;
  --b2: #5b7bff;
  --soft: #e3eaff;
  --ln: #d6e0fa;
  --ok: #12a36b;
  --warn: #e8890c;
}

.gpa-app * {
  box-sizing: border-box;
}

.gpa-app {
  scroll-behavior: smooth;
}

.gpa-app {
  margin: 0;
  font-family: "Plus Jakarta Sans","Segoe UI",system-ui,sans-serif;
  background: var(--bg);
  color: var(--tx);
  line-height: 1.55;
  overflow-x: clip;
}

.gpa-app .orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
  z-index: -1;
  animation: gpa-float 14s ease-in-out infinite;
}

.gpa-app .o1 {
  width: 420px;
  height: 420px;
  background: #b9c9ff;
  top: -120px;
  left: -100px;
}

.gpa-app .o2 {
  width: 360px;
  height: 360px;
  background: #9fd8ff;
  top: 380px;
  right: -120px;
  animation-delay: -5s;
}

.gpa-app .o3 {
  width: 300px;
  height: 300px;
  background: #cdbfff;
  bottom: -80px;
  left: 30%;
  animation-delay: -9s;
}

@keyframes gpa-float {
  50% {
    transform: translate(40px,30px) scale(1.12);
  }
}

.gpa-app .wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

.gpa-app .nav {
  position: sticky;
  top: 0;
  z-index: 9;
  background: rgba(238,243,255,.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ln);
}

.gpa-app .nav .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 66px;
}

.gpa-app .logo {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.gpa-app .logo b {
  color: var(--b);
}

.gpa-app .badge {
  background: linear-gradient(135deg,var(--b),var(--b2));
  color: #fff;
  font-weight: 800;
  border-radius: 10px;
  padding: 6px 9px;
  font-size: 15px;
  box-shadow: 0 6px 16px -6px var(--b);
}

.gpa-app nav a {
  margin-left: 22px;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  position: relative;
}

.gpa-app nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  height: 2px;
  width: 0;
  background: var(--b);
  transition: width .3s;
}

.gpa-app nav a:hover::after {
  width: 100%;
}

.gpa-app .hero {
  text-align: center;
  padding: 54px 0 34px;
}

.gpa-app .pill {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--ln);
  color: var(--b);
  font-weight: 700;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 99px;
  animation: gpa-up .6s both;
}

.gpa-app h1 {
  font-size: clamp(34px,6.4vw,60px);
  line-height: 1.08;
  letter-spacing: -.025em;
  color: var(--ink);
  margin: 16px 0 12px;
  font-weight: 800;
  animation: gpa-up .6s .08s both;
}

.gpa-app h1 span {
  background: linear-gradient(90deg,var(--b),#18b4f0,var(--b));
  background-size: 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gpa-shine 5s linear infinite;
}

@keyframes gpa-shine {
  to {
    background-position: 200%;
  }
}

.gpa-app .sub {
  font-size: 19px;
  margin: 0 auto;
  max-width: 560px;
  animation: gpa-up .6s .16s both;
}

.gpa-app .card {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--ln);
  border-radius: 26px;
  padding: 30px;
  margin-bottom: 28px;
  box-shadow: 0 28px 60px -34px rgba(36,71,214,.45);
}

.gpa-app .rv {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s,transform .7s;
}

.gpa-app .rv.in {
  opacity: 1;
  transform: none;
}

@keyframes gpa-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.gpa-app .bar-top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}

.gpa-app .bar-top label {
  font-weight: 600;
  color: var(--ink);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.gpa-app select, .gpa-app input {
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1.5px solid var(--ln);
  border-radius: 12px;
  padding: 11px 13px;
  width: 100%;
  transition: .2s;
}

.gpa-app .bar-top select {
  width: auto;
  color: var(--b);
  font-weight: 600;
  cursor: pointer;
}

.gpa-app select:hover, .gpa-app input:hover {
  border-color: #aebcf0;
}

.gpa-app select:focus, .gpa-app input:focus {
  outline: 0;
  border-color: var(--b2);
  box-shadow: 0 0 0 4px rgba(91,123,255,.18);
}

.gpa-app input::placeholder {
  color: #a3add0;
}

.gpa-app .btn {
  font: inherit;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  border-radius: 12px;
  padding: 11px 18px;
  transition: transform .2s,box-shadow .2s,background .2s;
}

.gpa-app .btn:active {
  transform: scale(.96);
}

.gpa-app .pri {
  background: linear-gradient(135deg,var(--b),var(--b2));
  color: #fff;
  box-shadow: 0 10px 22px -10px var(--b);
}

.gpa-app .pri:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px -10px var(--b);
}

.gpa-app .sec {
  background: var(--soft);
  color: var(--b);
}

.gpa-app .sec:hover {
  background: #d5e0ff;
  transform: translateY(-2px);
}

.gpa-app .gap {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

.gpa-app .cols, .gpa-app .row {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1.2fr .9fr 74px 38px;
  gap: 10px;
  align-items: center;
}

.gpa-app .cols {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  padding: 0 4px 8px;
}

.gpa-app .row {
  padding: 8px;
  margin: 0 -8px 6px;
  border-radius: 16px;
  animation: gpa-rin .4s cubic-bezier(.2,.8,.2,1) both;
  transition: background .2s;
}

.gpa-app .row:hover {
  background: #f3f6ff;
}

.gpa-app .row.out {
  animation: gpa-rout .28s forwards;
}

@keyframes gpa-rin {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(.97);
  }
}

@keyframes gpa-rout {
  to {
    opacity: 0;
    transform: translateX(40px);
    height: 0;
    padding: 0;
    margin: 0;
  }
}

.gpa-app .qp {
  font-weight: 700;
  color: var(--b);
  font-size: 14px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.gpa-app .x {
  border: 0;
  background: none;
  color: #7f8ab0;
  font-size: 18px;
  height: 38px;
  border-radius: 10px;
  cursor: pointer;
  transition: .25s;
}

.gpa-app .x:hover {
  background: #ffe9e9;
  color: #d33;
  transform: rotate(90deg);
}

.gpa-app .addrow {
  margin: 10px 0 24px;
  display: flex;
  gap: 10px;
}

.gpa-app .results {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: center;
  background: linear-gradient(135deg,#f4f7ff,#e6eeff);
  border: 1px solid var(--ln);
  border-radius: 22px;
  padding: 24px;
}

.gpa-app .gauge {
  position: relative;
  width: 190px;
  height: 190px;
}

.gpa-app .gauge svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.gpa-app .gauge circle {
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
}

.gpa-app .tr {
  stroke: #d3ddf7;
}

.gpa-app .fg {
  stroke: url(#gr);
  stroke-dasharray: 326.7;
  stroke-dashoffset: 326.7;
  transition: stroke-dashoffset 1s cubic-bezier(.2,.8,.2,1);
}

.gpa-app .gn {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
}

.gpa-app .gn b {
  font-size: 44px;
  color: var(--ink);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.gpa-app .gn small {
  font-weight: 600;
  color: var(--b);
  font-size: 12px;
  margin-top: 4px;
}

.gpa-app .stats {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 12px;
}

.gpa-app .st {
  background: #fff;
  border: 1px solid var(--ln);
  border-radius: 16px;
  padding: 14px 16px;
  transition: .25s;
}

.gpa-app .st:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 26px -16px rgba(36,71,214,.55);
}

.gpa-app .st small {
  display: block;
  font-size: 13px;
}

.gpa-app .st b {
  font-size: 25px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.gpa-app .tier {
  grid-column: 1/-1;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--ink);
}

.gpa-app .tier i {
  font-style: normal;
  padding: 5px 12px;
  border-radius: 99px;
  color: #fff;
  background: var(--b);
  transition: background .4s;
}

.gpa-app .two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.gpa-app h2 {
  font-size: 26px;
  color: var(--ink);
  margin: 0 0 4px;
  letter-spacing: -.01em;
}

.gpa-app h3 {
  color: var(--ink);
  margin: 0 0 4px;
  font-size: 17px;
}

.gpa-app .fg2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 14px 0;
}

.gpa-app .fg2 label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.gpa-app .fg2 input {
  margin-top: 5px;
}

.gpa-app .res {
  background: var(--soft);
  border-radius: 14px;
  padding: 14px 16px;
  color: var(--ink);
  font-weight: 600;
  min-height: 52px;
  transition: background .3s;
}

.gpa-app .steps {
  list-style: none;
  counter-reset: s;
  padding: 0;
  margin: 22px 0;
  display: grid;
  gap: 12px;
}

.gpa-app .steps li {
  counter-increment: s;
  position: relative;
  padding: 16px 16px 16px 64px;
  background: #f6f8ff;
  border: 1px solid var(--ln);
  border-radius: 18px;
  transition: .25s;
}

.gpa-app .steps li:hover {
  transform: translateX(5px);
  border-color: var(--b2);
}

.gpa-app .steps li::before {
  content: counter(s);
  position: absolute;
  left: 16px;
  top: 16px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--b);
  color: #fff;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.gpa-app .steps p {
  margin: 0 0 8px;
}

.gpa-app code {
  display: inline-block;
  background: var(--soft);
  color: var(--b);
  padding: 7px 12px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
}

.gpa-app .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.gpa-app .chip {
  background: #fff;
  border: 1px solid var(--ln);
  border-radius: 8px;
  padding: 3px 9px;
  font-size: 13px;
}

.gpa-app .chip b {
  color: var(--b);
}

.gpa-app .tw {
  overflow-x: auto;
}

.gpa-app table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.gpa-app th, .gpa-app td {
  padding: 10px;
  text-align: right;
  border-bottom: 1px solid var(--ln);
  white-space: nowrap;
}

.gpa-app th:first-child, .gpa-app td:first-child {
  text-align: left;
}

.gpa-app th {
  color: var(--ink);
}

.gpa-app tfoot td {
  background: var(--soft);
  font-weight: 700;
  color: var(--ink);
  border: 0;
}

.gpa-app .foot {
  font-size: 14px;
  margin: 14px 0 0;
}

.gpa-app .toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%,80px);
  background: var(--ink);
  color: #fff;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 600;
  transition: transform .4s cubic-bezier(.2,.8,.2,1);
  z-index: 20;
}

.gpa-app .toast.on {
  transform: translate(-50%,0);
}

.gpa-app footer {
  text-align: center;
  padding: 6px 0 40px;
  font-size: 14px;
  color: #7f8ab0;
}

@media (max-width:760px) {
  .gpa-app .card {
    padding: 18px;
  }
}

@media (max-width:760px) {
  .gpa-app .cols {
    display: none;
  }
}

@media (max-width:760px) {
  .gpa-app .row {
    grid-template-columns: 1fr 1fr 1fr 38px;
    background: #f6f8ff;
    margin: 0 0 10px;
  }
}

@media (max-width:760px) {
  .gpa-app .row .nm {
    grid-column: 1/-1;
  }
}

@media (max-width:760px) {
  .gpa-app .row .qp {
    text-align: left;
  }
}

@media (max-width:760px) {
  .gpa-app .results, .gpa-app .two {
    grid-template-columns: 1fr;
  }
}

@media (max-width:760px) {
  .gpa-app .gauge {
    margin: auto;
  }
}

@media (max-width:760px) {
  .gpa-app .gap {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion:reduce) {
  .gpa-app * {
    animation: none!important;
    transition: none!important;
  }
}

/* ---- Ad slots (reserved space prevents layout shift) ---- */

.gpa-app .ad {
  margin: 0 auto 28px;
  text-align: center;
}

.gpa-app .ad-label {
  display: block;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #8a95bb;
  margin-bottom: 6px;
}

.gpa-app .ad-box {
  margin: 0 auto;
  display: grid;
  place-items: center;
  width: 100%;
  max-width: 728px;
  min-height: 90px;
  overflow: hidden;
  border: 1px dashed var(--ln);
  border-radius: 14px;
  background: rgba(255,255,255,.55);
  color: #8a95bb;
  font-size: 13px;
}

.gpa-app .ad-rect .ad-box {
  max-width: 336px;
  min-height: 280px;
}

@media (max-width:760px) {
  .gpa-app .ad-top .ad-box, .gpa-app .ad-bottom .ad-box {
    max-width: 320px;
    min-height: 100px;
  }
}