/* ============================================================
   Платёжная страница — Тюменский городской открытый колледж
   ============================================================ */

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

:root {
  --primary:       #d0021b;
  --primary-dark:  #a80016;
  --primary-light: #fff0f2;
  --text:          #333333;
  --text-muted:    #666666;
  --border:        #e0e0e0;
  --bg:            #ffffff;
  --white:         #ffffff;
  --surface:       #fafafa;
  --success:       #1a7a3e;
  --success-bg:    #f0faf4;
  --error:         #d0021b;
  --error-bg:      #fff0f2;
  --pending:       #7a5200;
  --pending-bg:    #fffbeb;
  --radius:        10px;
  --radius-sm:     6px;
  --shadow:        0 1px 4px rgba(0,0,0,.08);
  --shadow-md:     0 2px 12px rgba(0,0,0,.10);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Container ---- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */
.header {
  background: var(--white);
  border-bottom: 2px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(208,2,27,.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.logo-icon { font-size: 1.5rem; line-height: 1; }

.header__nav {
  display: flex;
  gap: 28px;
}

.header__nav a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .15s;
}
.header__nav a:hover { color: var(--primary); text-decoration: none; }

/* ---- Hero ---- */
.hero {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 40px 0 36px;
}

.breadcrumbs {
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--primary); }

.hero__title {
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 10px;
  color: var(--text);
}

.hero__title .accent { color: var(--primary); }
.accent { color: var(--primary); }

.hero__sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
}

/* ---- Content ---- */
.content {
  flex: 1;
  padding: 36px 0 60px;
  background: var(--surface);
}

/* ---- Layout ---- */
.layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  align-items: start;
  margin-bottom: 48px;
}

/* ---- Form Card ---- */
.form-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 36px 40px;
  border: 1px solid var(--border);
}

.form-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--primary);
  color: var(--text);
}

/* ---- Alert ---- */
.alert {
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  margin-bottom: 24px;
  font-size: .92rem;
  font-weight: 500;
}
.alert--error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid #f5b8be;
}

/* ---- Fieldset ---- */
.fieldset {
  border: none;
  margin-bottom: 26px;
}

.fieldset__legend {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--primary);
  margin-bottom: 16px;
  display: block;
}

/* ---- Field rows ---- */
.field-row {
  display: grid;
  gap: 16px;
  margin-bottom: 0;
}
.field-row--2 { grid-template-columns: 1fr 1fr; }
.field-row--3 { grid-template-columns: 1fr 1fr 1fr; }

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 16px;
}

.field-row .field { margin-bottom: 0; }

.field__label {
  font-size: .86rem;
  font-weight: 600;
  color: var(--text);
}

.req { color: var(--primary); }
.optional { color: var(--text-muted); font-weight: 400; }

.field__input {
  width: 100%;
  padding: 10px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .94rem;
  color: var(--text);
  background: var(--white);
  transition: border-color .15s, box-shadow .15s;
  appearance: none;
  -webkit-appearance: none;
}

.field__input::placeholder { color: #bbb; }

.field__input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(208,2,27,.10);
}

.field__input:invalid:not(:placeholder-shown) {
  border-color: var(--primary);
}

.field__textarea {
  resize: vertical;
  min-height: 80px;
}

.field__hint {
  font-size: .78rem;
  color: var(--text-muted);
}

.field__input--error {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(208,2,27,.10);
}

.field__error {
  font-size: .78rem;
  color: var(--primary);
  font-weight: 500;
}

/* ---- Select ---- */
.select-wrap { position: relative; }
.select-wrap::after {
  content: '▾';
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: .88rem;
}
.select-wrap .field__input { padding-right: 34px; cursor: pointer; }

/* ---- Amount ---- */
.amount-wrap { position: relative; }
.amount-wrap .field__input { padding-right: 34px; }
.amount-currency {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-weight: 700;
  font-size: .9rem;
}

/* ---- Form footer ---- */
.form-footer {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 6px;
}

.pay-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.form-footer__note {
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .94rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background .15s, border-color .15s, transform .1s;
  text-decoration: none;
  letter-spacing: .01em;
}

.btn:hover { text-decoration: none; }
.btn:active { transform: scale(.98); }

.btn--primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn--primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }

.btn--outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn--outline:hover { background: var(--primary-light); }

.btn--large { padding: 13px 32px; font-size: .98rem; }
.btn--small { padding: 7px 14px; font-size: .83rem; }

/* ---- Sidebar ---- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 80px;
}

.info-card {
  background: var(--primary-light);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  border: 1px solid #f5b8be;
}
.info-card__icon { font-size: 1.4rem; flex-shrink: 0; line-height: 1; }
.info-card__title { font-weight: 600; margin-bottom: 3px; font-size: .92rem; color: var(--text); }
.info-card__text { font-size: .83rem; color: var(--text-muted); line-height: 1.5; }

.methods-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 18px;
}
.methods-card__title { font-weight: 700; margin-bottom: 12px; font-size: .88rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); }
.methods-list { display: flex; flex-direction: column; gap: 9px; }
.method-item { font-size: .86rem; display: flex; align-items: center; gap: 8px; color: var(--text); }

.requisites-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 18px;
}
.requisites-card__title { font-weight: 700; margin-bottom: 12px; font-size: .88rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); }

.req-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.req-table td { padding: 4px 0; font-size: .83rem; }
.req-table td:first-child { color: var(--text-muted); width: 52px; }
.req-table td:last-child { font-weight: 600; color: var(--text); }

.req-address {
  font-size: .82rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.req-address strong { color: var(--text); }

.req-contacts { display: flex; flex-direction: column; gap: 6px; font-size: .82rem; color: var(--text-muted); }

/* ---- Offline block ---- */
.offline-block { margin-top: 4px; }

.offline-block__title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.offline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.offline-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 22px;
  transition: box-shadow .15s, border-color .15s;
}
.offline-card:hover { border-color: var(--primary); box-shadow: 0 2px 12px rgba(208,2,27,.08); }

.offline-card__icon { font-size: 1.8rem; margin-bottom: 10px; }
.offline-card__title { font-weight: 600; margin-bottom: 8px; font-size: .95rem; color: var(--text); }
.offline-card__text { font-size: .85rem; color: var(--text-muted); line-height: 1.6; }

/* ---- Result page ---- */
.result-wrap {
  max-width: 580px;
  margin: 60px auto;
}

.result-card {
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  background: var(--white);
}

.result-card--success { border-top: 4px solid #1a7a3e; }
.result-card--error   { border-top: 4px solid var(--primary); }
.result-card--pending { border-top: 4px solid #e0a800; }

.result-icon { font-size: 3.2rem; margin-bottom: 14px; }

.result-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.result-sub {
  font-size: .95rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}

.result-details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-top: 20px;
  text-align: left;
}
.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: .88rem;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.detail-row:last-child { border-bottom: none; }
.detail-row span:first-child { color: var(--text-muted); flex-shrink: 0; }

.result-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.contacts-mini {
  text-align: center;
  font-size: .85rem;
  color: var(--text-muted);
}

/* ---- Footer ---- */
.footer {
  background: var(--white);
  border-top: 2px solid var(--primary);
  padding: 24px 0;
  margin-top: auto;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.footer__org { font-weight: 600; font-size: .88rem; color: var(--text); }
.footer__address { font-size: .83rem; color: var(--text-muted); }
.footer__copy { font-size: .8rem; color: var(--text-muted); margin-top: 4px; }

/* ---- Divider line ---- */
.link { color: var(--primary); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .requisites-card { grid-column: 1 / -1; }
  .offline-grid { grid-template-columns: 1fr 1fr; }
  .field-row--3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .hero { padding: 28px 0 24px; }
  .hero__title { font-size: 1.6rem; }
  .form-card { padding: 22px 18px; }
  .field-row--2,
  .field-row--3 { grid-template-columns: 1fr; }
  .offline-grid { grid-template-columns: 1fr; }
  .sidebar { grid-template-columns: 1fr; }
  .header__nav { display: none; }
  .content { padding: 24px 0 40px; }
}