:root {
  --bg: #850885;
  --bg-alpha: rgba(20, 31, 62, 0.92);
  --card: rgba(26, 40, 78, 0.55);
  --card-border: rgba(120, 160, 220, 0.22);
  --gold: #d4a853;
  --gold-soft: rgba(212, 168, 83, 0.15);
  --text: #e8edf7;
  --muted: #9aa8c4;
  --input-bg: rgba(10, 18, 40, 0.65);
  --input-border: rgba(100, 140, 200, 0.35);
  --input-focus: rgba(212, 168, 83, 0.55);
  --danger: #f07178;
  --success: #7fd992;
  --radius: 14px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Montserrat", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(60, 90, 160, 0.35), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(212, 168, 83, 0.08), transparent),
    var(--bg);
  opacity: 0.96;
}

.wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem 3rem;
}

.brand {
  text-align: center;
  margin-bottom: 1.75rem;
}

.brand-logo-img {
  display: block;
  width: min(260px, 78vw);
  height: auto;
  margin: 0 auto;
  object-fit: contain;
}

.brand-tag {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card {
  width: 100%;
  max-width: 520px;
  padding: 1.75rem 1.5rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.card-title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--gold);
}

.card-desc {
  margin: 0 0 1.5rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.card-desc strong {
  color: var(--text);
  font-weight: 600;
}

.field {
  margin-bottom: 1.1rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.field input[type="text"],
.field input[type="date"],
.field input[type="time"] {
  width: 100%;
  padding: 0.72rem 0.85rem;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--gold-soft);
}

.field input::placeholder {
  color: rgba(154, 168, 196, 0.55);
}

.custom-select {
  position: relative;
}

.custom-select-native {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.custom-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  padding: 0.72rem 0.85rem;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text);
  text-align: left;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.custom-select-trigger:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--gold-soft);
  outline: none;
}

.custom-select.open .custom-select-trigger {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--gold-soft);
}

.custom-select-value.is-placeholder {
  color: rgba(154, 168, 196, 0.55);
}

.custom-select-chevron {
  flex-shrink: 0;
  width: 0;
  height: 0;
  border: 5px solid transparent;
  border-top-color: var(--muted);
  transform: translateY(2px);
  transition: transform 0.2s;
}

.custom-select.open .custom-select-chevron {
  transform: translateY(-2px) rotate(180deg);
}

.custom-select-list {
  position: absolute;
  z-index: 30;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  margin: 0;
  padding: 0.35rem;
  list-style: none;
  max-height: 240px;
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

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

.custom-select-option {
  padding: 0.62rem 0.75rem;
  font-size: 0.88rem;
  color: var(--text);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.custom-select-option:hover,
.custom-select-option.is-active {
  background: rgba(212, 168, 83, 0.14);
  color: var(--gold);
}

.custom-select-option.is-selected {
  background: rgba(212, 168, 83, 0.22);
  color: var(--gold);
}

.datetime-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.datetime-part label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.hint {
  margin: 0.35rem 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.amount-wrap {
  position: relative;
}

.amount-wrap input {
  width: 100%;
  padding: 0.72rem 2.5rem 0.72rem 0.85rem;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  outline: none;
}

.amount-wrap input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--gold-soft);
}

.amount-suffix {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-weight: 600;
  font-size: 0.95rem;
}

.upload-zone {
  position: relative;
  border: 1px dashed var(--input-border);
  border-radius: 10px;
  background: var(--input-bg);
  transition: border-color 0.2s, background 0.2s;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--input-focus);
  background: rgba(212, 168, 83, 0.06);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.upload-inner {
  padding: 1.25rem 1rem;
  text-align: center;
  pointer-events: none;
}

.upload-icon {
  width: 32px;
  height: 32px;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.upload-text {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
}

.upload-meta {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.72rem;
  color: var(--muted);
}

.upload-filename {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--gold);
  word-break: break-all;
}

.form-actions {
  margin-top: 1.35rem;
  display: flex;
  justify-content: flex-end;
}

.btn-submit {
  position: relative;
  min-width: 120px;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: #1a1520;
  background: linear-gradient(180deg, #e8c878 0%, var(--gold) 100%);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(212, 168, 83, 0.35);
  transition: transform 0.15s, opacity 0.2s;
}

.btn-submit:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-spinner {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(26, 21, 32, 0.25);
  border-top-color: #1a1520;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-submit.loading .btn-label {
  visibility: hidden;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.form-message {
  min-height: 1.25rem;
  margin: 1rem 0 0;
  font-size: 0.82rem;
  text-align: center;
}

.form-message.error {
  color: var(--danger);
}

.form-message.success {
  color: var(--success);
}

.field.invalid input,
.field.invalid .custom-select-trigger,
.field.invalid .upload-zone {
  border-color: var(--danger);
}

.foot {
  margin-top: 1.5rem;
  text-align: center;
}

.foot p {
  margin: 0;
  font-size: 0.72rem;
  color: rgba(154, 168, 196, 0.65);
}

@media (max-width: 480px) {
  .card {
    padding: 1.35rem 1rem;
  }

  .datetime-row {
    grid-template-columns: 1fr;
  }
}