:root {
  color-scheme: dark;
  --brand: #00a7e1;
  --bg-gradient:
    radial-gradient(circle at 10% 15%, rgba(0, 167, 225, 0.34), transparent 44%),
    linear-gradient(145deg, #000000 0%, #07090f 46%, #ffffff 210%);
  --panel: rgba(7, 11, 20, 0.86);
  --panel-border: rgba(0, 167, 225, 0.42);
  --text-main: #f6f9ff;
  --text-muted: #c6d3df;
  --field-bg: rgba(3, 7, 13, 0.96);
  --field-border: rgba(0, 167, 225, 0.34);
  --field-focus: #00a7e1;
  --button-bg: linear-gradient(118deg, #000000 0%, #00a7e1 55%, #ffffff 175%);
  --button-text: #f8fcff;
  --danger: #ff7a90;
  --success: #67f0b7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Avenir Next", "Trebuchet MS", sans-serif;
  background: var(--bg-gradient);
  color: var(--text-main);
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}

.panel {
  width: min(620px, 100%);
  border-radius: 20px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.56);
  backdrop-filter: blur(4px);
  padding: 28px 24px;
  animation: reveal 260ms ease-out;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #7bdfff;
  font-size: 12px;
}

h1 {
  margin: 8px 0 6px;
  font-size: clamp(1.8rem, 3.6vw, 2.3rem);
  line-height: 1.1;
}

.auth-card {
  margin: 12px 0 16px;
  padding: 12px;
  border: 1px solid rgba(0, 167, 225, 0.28);
  border-radius: 14px;
  background: rgba(0, 167, 225, 0.08);
}

.auth-label {
  margin: 0 0 10px;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: #d7eef8;
}

.auth-user {
  margin: 10px 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.auth-user--error {
  color: var(--danger);
}

.auth-controls {
  margin-bottom: 10px;
}

.submitter-fields {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 10px;
}

.submitter-fields input[readonly] {
  opacity: 0.95;
  cursor: default;
}

.form-grid {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
}

label > span {
  font-size: 0.92rem;
  color: #e1ecf5;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--field-border);
  background: var(--field-bg);
  color: var(--text-main);
  border-radius: 12px;
  padding: 12px 13px;
  font: inherit;
  transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

textarea {
  resize: vertical;
  min-height: 96px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--field-focus);
  box-shadow: 0 0 0 4px rgba(0, 167, 225, 0.2);
  transform: translateY(-1px);
}

input::placeholder,
textarea::placeholder {
  color: #8fa5b6;
}

.conditional-fields {
  display: grid;
  gap: 14px;
  padding: 12px;
  border: 1px solid rgba(0, 167, 225, 0.22);
  border-radius: 14px;
  background: rgba(0, 167, 225, 0.08);
}

.is-hidden {
  display: none;
}

button {
  margin-top: 8px;
  border: none;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 700;
  background: var(--button-bg);
  color: var(--button-text);
  cursor: pointer;
  transition: transform 130ms ease, filter 130ms ease;
}

button:hover:enabled {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

button:disabled {
  opacity: 0.56;
  cursor: wait;
}

.status {
  min-height: 1.4rem;
  margin: 14px 2px 0;
  color: var(--text-muted);
}

.status--success {
  color: var(--success);
}

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

.status--loading {
  color: #9fdfff;
}

@keyframes reveal {
  from {
    transform: translateY(8px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 16px;
  }

  .panel {
    padding: 22px 16px;
    border-radius: 16px;
  }

  .submitter-fields {
    grid-template-columns: 1fr;
  }
}