@import url("./index.css");

/* Calculator page */

html {
  scroll-behavior: smooth;
}

button,
input {
  font: inherit;
}

.page-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--primary-hover);
  font-weight: 600;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.calculator-section,
.result-section {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.calculator-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.heading-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.heading-icon img {
  width: 44px;
}

.calculator-heading h1 {
  color: #0A174E;
  font-family: "Basic", serif;
  font-size: clamp(1.55rem,4vw,2.1rem);
}

.calculator-heading p {
  margin-top: .4rem;
  color: var(--text-muted);
  font-family: "Nunito Sans", sans-serif;
}

.calculator-layout {
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:1.5rem;
  padding:1.5rem;
}

.calculator-form,
.information-box {
  padding:1.5rem;
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
}

.form-group + .form-group {
  margin-top:1.25rem;
}

.form-group label {
  display:block;
  margin-bottom:.45rem;
  color:#0A174E;
  font-weight:700;
}

.input-wrapper {
  position:relative;
}

.input-wrapper input {
  width:100%;
  min-height:50px;
  padding:.8rem 6rem .8rem .9rem;
  border:1px solid #b7d8ca;
  border-radius:9px;
  outline:none;
}

.input-wrapper input:focus {
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(16,185,129,.15);
}

.input-error {
  border-color:#b91c1c!important;
}

.input-suffix {
  position:absolute;
  right:.9rem;
  top:50%;
  transform:translateY(-50%);
  color:var(--primary-hover);
  font-size:.82rem;
  font-weight:700;
}

.form-message {
  display:none;
  margin-top:1.25rem;
  padding:.8rem;
  color:#b91c1c;
  background:#fef2f2;
  border:1px solid #fecaca;
  border-radius:8px;
}

.form-message.visible {
  display:block;
}

.button-group {
  display:flex;
  gap:.75rem;
  margin-top:1.5rem;
}

.primary-button,
.secondary-button {
  min-height:44px;
  padding:.7rem 1.25rem;
  border-radius:8px;
  cursor:pointer;
  font-weight:700;
}

.primary-button {
  color:#fff;
  background:var(--accent);
  border:1px solid var(--accent);
}

.primary-button:hover {
  background:var(--primary-hover);
}

.secondary-button {
  background:#fff;
  border:1px solid #b7d8ca;
}

.information-box h2 {
  margin-bottom:.75rem;
  color:#0A174E;
}

.information-box p,
.information-box ul {
  color:var(--text-muted);
}

.formula-box {
  margin:1rem 0;
  padding:1rem;
  background:var(--surface);
  border-left:4px solid var(--accent);
}

.result-section {
  margin-top:1.5rem;
  background:#fff;
}

.result-heading {
  padding:1.5rem;
  border-bottom:1px solid var(--border);
}

.result-summary {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1rem;
  padding:1.5rem;
}

.summary-card {
  padding:1rem;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:10px;
}

.summary-card.highlight {
  background:#d1fae5;
}

.result-details {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1rem;
  padding:0 1.5rem 1.5rem;
}

.result-details div {
  padding:1rem;
  border:1px solid var(--border);
  border-radius:9px;
}

.calculation-box,
.unit-note {
  margin:0 1.5rem 1.5rem;
  padding:1.25rem;
  border-radius:9px;
}

.calculation-box {
  background:var(--surface);
  border-left:4px solid var(--accent);
}

.unit-note {
  border:1px solid var(--border);
}

@media (max-width:950px) {
  .calculator-layout {
    grid-template-columns:1fr;
  }

  .result-summary {
    grid-template-columns:repeat(2,1fr);
  }
}

@media (max-width:680px) {

  .page-container {
    padding:1rem .75rem 3rem;
  }

  .calculator-heading {
    padding:1rem;
    align-items:flex-start;
  }

  .heading-icon {
    width:50px;
    height:50px;
  }

  .heading-icon img {
    width:34px;
  }

  .calculator-layout {
    padding:1rem;
  }

  .calculator-form,
  .information-box {
    padding:1rem;
  }

  .button-group {
    flex-direction:column;
  }

  .primary-button,
  .secondary-button {
    width:100%;
  }

  .result-summary,
  .result-details {
    grid-template-columns:1fr;
    padding:1rem;
  }

  .result-details {
    padding-top:0;
  }

  .calculation-box,
  .unit-note {
    margin:0 1rem 1rem;
  }
}