:root {
  --bg: #f3f4f6;
  --surface: #ffffff;
  --border: #d6d9de;
  --text: #1f2937;
  --muted: #5b6472;
  --primary: #da2624;
  --primary-dark: #b91c1c;
}

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

body {
  margin: 0;
  min-height: 100vh;
  overflow-y: scroll;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, sans-serif;
  scrollbar-gutter: stable;
}

.support-page {
  padding: 32px 16px;
}

.support-layout {
  width: min(920px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

.support-box {
  background: var(--surface);
  border: 1px solid #000000;
  border-radius: 14px;
  padding: 24px;
}

h1,
h2 {
  margin: 0 0 16px;
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.25rem;
}

.support-logo {
  display: block;
  width: min(520px, 100%);
  height: auto;
  margin: 0 0 16px;
}

.selector-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.selector-copy {
  flex: 1 1 auto;
}

.mode-switch {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.selector-art {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
}

.art-image {
  display: block;
  width: 320px;
  height: 320px;
  object-fit: contain;
}

.done-box {
  min-height: 420px;
}

.done-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.done-copy {
  flex: 1 1 auto;
  max-width: 560px;
}

.done-kicker {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.done-title {
  margin-bottom: 12px;
}

.done-text {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

.done-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.done-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.mode-button {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #f8fafc;
  color: var(--text);
  padding: 15px 22px;
  font: inherit;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
}

.mode-button.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.form-panel[hidden] {
  display: none;
}

.field-stack {
  display: grid;
  gap: 16px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-weight: 600;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  background: #ffffff;
}

.field textarea {
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid rgba(218, 38, 36, 0.2);
  border-color: var(--primary);
}

.custom-select {
  position: relative;
}

.custom-select-input-proxy {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.custom-select-trigger {
  appearance: none;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
}

.custom-select.is-open .custom-select-trigger,
.custom-select-trigger:focus-visible,
.custom-select.is-invalid .custom-select-trigger {
  outline: 2px solid rgba(218, 38, 36, 0.2);
  border-color: var(--primary);
}

.custom-select-trigger[data-placeholder="true"] {
  color: var(--muted);
  font-weight: 400;
}

.custom-select-arrow {
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  flex: 0 0 auto;
}

.custom-select-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 10;
  display: grid;
  gap: 2px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.12);
}

.custom-select-menu[hidden] {
  display: none;
}

.custom-select-option {
  border: 0;
  border-radius: 8px;
  padding: 10px 12px;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.custom-select-option:hover,
.custom-select-option:focus-visible,
.custom-select-option.is-selected {
  background: var(--primary);
  color: #ffffff;
  outline: none;
}

.checkbox-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--muted);
}

.checkbox-row input {
  margin-top: 3px;
}

.form-status {
  margin: 0;
  color: var(--primary-dark);
  font-size: 0.95rem;
}

.form-status.is-error {
  color: var(--primary-dark);
}

.form-status.is-success {
  color: #166534;
}

.button-row {
  display: flex;
  gap: 12px;
}

.submit-button,
.clear-button {
  border: 0;
  border-radius: 10px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.submit-button {
  background: var(--primary);
  color: #ffffff;
}

.submit-button:hover,
.submit-button:focus-visible {
  background: var(--primary-dark);
  outline: none;
}

.submit-button:disabled,
.clear-button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.clear-button {
  background: #e5e7eb;
  color: var(--text);
}

.clear-button:hover,
.clear-button:focus-visible {
  background: #d1d5db;
  outline: none;
}

.page-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.page-footer p {
  margin: 0;
}

@media (max-width: 640px) {
  .support-box {
    padding: 18px;
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.9rem;
  }

  .support-logo {
    width: min(260px, 100%);
  }

  .selector-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .done-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .selector-art {
    width: 100%;
    justify-content: center;
  }

  .art-image {
    width: 180px;
    height: 180px;
  }

  .mode-switch,
  .field-row,
  .button-row,
  .done-actions {
    grid-template-columns: 1fr;
    display: grid;
  }
}