:root {
  --primary-bg: #202155;
  --secondary-bg: #151239;
  --tertiary-bg: #09031d;
  --dark-panel: #000021;
  --panel-bg: #33325c;
  --text-primary: #ffffff;
  --text-secondary: #94a2b8;
  --accent-blue: #2d5eff;
  --gradient-start: #9669e4;
  --gradient-end: #08df86;
  --border-color: #3c3c5d;
  --input-bg: #1a1a2e;
  --input-border: #2a2f43;
}

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

html, body {
  height: 100%;
  font-family: 'Montserrat', sans-serif;
}

body {
  position: relative;
  color: var(--text-primary);
}

.background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: radial-gradient(ellipse at center, var(--primary-bg) 0%, var(--secondary-bg) 50%, var(--tertiary-bg) 100%);
}

.stars {
  position: absolute;
  width: 100%;
  height: 100%;
  background: url('./images/background.png') center / cover no-repeat;
  mix-blend-mode: color-dodge;
  background-repeat: repeat;
}

.line {
  position: absolute;
  opacity: 0.6;
  background: linear-gradient(to bottom, #01279C00 0%, #01279C 10.1%, #5ADB54 88.94%, #66F44A00 100%);
  width: 4px;
  height: 275px;
}

.line:nth-child(2) {
  top: 165px;
  left: 105px;
}

.line:nth-child(3) {
  top: 25px;
  left: 406px;
}

.line:nth-child(4) {
  top: 7px;
  right: 373px;
}

.line:nth-child(5) {
  top: 282px;
  right: 242px;
}

.container {
  max-width: 1840px;
  margin: 0 auto;
  padding: 30px 40px;
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.logo-section {
  display: flex;
  flex-direction: row;
  gap: 30px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-icon img {
  height: 66px;
  width: 290px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
}

.logo-sub {
  font-weight: 400;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.top-section {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.top-section .logo-section {
  position: static;
  transform: none;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.category-blocks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.category-block {
  position: relative;
  border-image: url('./images/border.svg') 50% / 100%;
  border-width: 2px;
  border-style: solid;
  display: flex;
}

.category-border {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* border-image: linear-gradient(to right, #025397, #40F061) 1; */
  /* border-style: solid;
  border-width: 1px; */
  /* border-radius: 10px; */
  /* padding: 2px; */
  /* background: linear-gradient(to right, #025397, #40F061); */
}

.category-content {
  padding: 12px 25px;
  border-radius: 10px;
  position: relative;
  z-index: 1;
  background-color: #0000219a;
  flex: 1;
}

.category-title {
  color: #FFF;
  font-size: 16px;
  font-weight: 700;
}

.category-desc {
  color: #FFF;
  font-size: 16px;
  font-weight: 400;
}

.side-blocks {
  display: flex;
  flex-direction: row;
  gap: 24px;
}

.side-block {
  border-radius: 5px;
  padding: 21px 45px;
  font-size: 16px;
  text-align: center;
  color: var(--text-primary);
  line-height: 1.3;
  border: 1px solid #2C2B4D;
  font-weight: 700;
  background-color: transparent;
  cursor: pointer;
  text-decoration: none;
}

.side-block.active {
  background-color: #2C2B4D;
}

header {
  text-align: center;
  margin: 35px 0 25px;
}

header h1 {
  font-weight: 700;
  font-size: 32px;
  color: var(--text-primary);
}

.info-text {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 12px 16px;
  border-radius: 10px;
  border: 2px solid #3C3C5D;
  background: #0000219a;
  color: #94A2B8;
  font-size: 14px;
}

.info-icon {
  display: flex;
}

.calc-form {
  border-radius: 20px;
  border: 2px solid #3C3C5D;
  background: #0000219a;

  padding: 40px 60px;
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}

.form-row:last-child {
  margin-bottom: 0;
}

.field {
  display: flex;
  flex-direction: column;
}

.field label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.field-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.ruble-symbol {
  font-size: 15px;
  color: var(--text-secondary);
}



.field .input input,
.field select {
  background: var(--panel-bg);
  border: 1px solid var(--text-primary);
  border-radius: 10px;
  padding: 20px 16px;
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  font-family: 'Montserrat', sans-serif;
  outline: none;
  transition: border-color 0.2s ease;
  flex: 1 1 auto;
  width: 100%;
}

.field select {
  cursor: pointer;
  appearance: none;
  background-image: url("./images/arrow.svg");
  background-position: right 16px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 48px;
}

.hidden {
  display: none !important;
}

.field .input {
  display: flex;
  width: 100%;
  margin-top: auto;
}

.field .select-wrapper {
  margin-top: auto;
}

.select-wrapper {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

button#calc {
  background: var(--accent-blue);
  border: none;
  border-radius: 10px;
  padding: 16px 48px;
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  font-family: 'Montserrat', sans-serif;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button#calc:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45, 94, 255, 0.4);
}

button#calc svg {
  width: 24px;
  height: 24px;
}

.error {
  color: #ff6b6b;
  font-size: 16px;
}

.results {
  border-radius: 20px;
  padding: 32px 58px;
  margin-top: 18px;
  border: 1px solid #3C3C5D;
  background: #0000219a;
}

.results h2 {
  margin: 0 0 10px 0;
  font-weight: 500;
  font-size: 24px;
  color: var(--text-primary);
  display: none;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 10px 0 12px;
  display: none;
}

.card {
  background: var(--panel-bg);
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
}

.card .title {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 6px;
}

.card .value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-direction: row;
  gap: 20px;
}

.total .label {
  color: #F8FAFC;
  font-size: 25px;
  font-weight: 500;
}

.total .sum {
  font-size: 56px;
  font-weight: 700;
  background: linear-gradient(90deg, #9669E4 -1.93%, #08DF86 109.98%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

.fineprint {
  margin-top: 32px;
  color: var(--text-secondary);
  display: none;
}

.fineprint summary {
  cursor: pointer;
  font-size: 16px;
  outline: none;
}

.fineprint[open] summary {
  margin-bottom: 16px;
}

@media (max-width: 1400px) {
  .container {
    max-width: 1200px;
    padding: 20px;
  }

  .logo-section {
    flex-direction: column;
  }
  
  .top-section {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  
  .side-blocks {
    max-width: 100%;
    grid-template-columns: repeat(2, 1fr);
    display: grid;
  }
  
  .category-blocks {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 1024px) {
  .container {
    padding: 16px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .category-blocks {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .side-blocks {
    grid-template-columns: 1fr;
  }
  
  .calc-form {
    padding: 24px;
  }
  
  .results {
    padding: 24px;
  }
  
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  header h1 {
    font-size: 28px;
  }
}

@media (max-width: 864px) {
  .container {
    padding: 12px;
  }
  
  .logo {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
  
  .logo-icon svg {
    width: 48px;
    height: 40px;
  }
  
  .logo-main {
    font-size: 16px;
  }
  
  .logo-sub {
    font-size: 10px;
  }
  
  .calc-form {
    padding: 16px;
  }
  
  .results {
    padding: 16px;
  }
  
  .cards {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .total {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .total .sum {
    font-size: clamp(24px, 8vw, 56px);
  }
  
  header h1 {
    font-size: 20px;
  }
  
  .info-text {
    font-size: 16px;
    flex-direction: column;
    gap: 8px;
  }
  
  .field label {
    font-size: 14px;
  }
  
  .field .input input,
  .field select {
    font-size: 16px;
    padding: 16px 12px;
  }
  
  button#calc {
    padding: 16px 32px;
    font-size: 16px;
  }
}

.field-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.field-note {
  color: var(--text-secondary);
  font-size: 14px;
}

.results-table {
  display: none;
}

.field-hint {
  display: none;
}

.footer__label {
  opacity: 0.4;
  width: 100%;
  display: block;
  color: #94A2B8;
  font-size: 18px;
  font-weight: 500;
  text-align: center;
  margin: 10px 0;
}