:root {
  --primary: #ff8c00;
  --primary-glow: #ffb347;
  --error: #ee0b4b;
  --text: #f5f5f5;
  --muted: #b5b5b5;
  --card: #242424;
  --bg: #141414;
}

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

body {
  min-height: 100vh;
  font-family: 'Play', 'Segoe UI', sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 50% -10%, #000 0%, var(--bg) 100%);
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: min(100%, 420px);
  padding: 28px 24px 24px;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(36, 36, 36, 0.96), rgba(28, 28, 28, 0.98));
  box-shadow: 0 0 40px rgba(255, 140, 0, 0.12);
}

.welcome {
  text-align: center;
  margin-bottom: 20px;
  color: var(--muted);
}

.welcome span {
  color: var(--text);
  font-weight: 700;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}

.tab {
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  background: transparent;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.tab.active {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: inset 0 0 12px rgba(255, 140, 0, 0.12);
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

h1 {
  margin-bottom: 18px;
  font-size: 1.6rem;
  color: var(--primary);
  text-align: center;
}

label {
  display: block;
  margin-bottom: 14px;
}

label span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.72);
}

input {
  width: 100%;
  padding: 10px 0 8px;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  color: var(--text);
  font: inherit;
  outline: none;
}

input:focus {
  border-bottom-color: var(--primary);
}

button[type='submit'] {
  width: 100%;
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--primary);
  border-radius: 4px;
  background: transparent;
  color: var(--primary);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

button[type='submit']:hover {
  background: rgba(255, 140, 0, 0.12);
  box-shadow: 0 0 14px rgba(255, 140, 0, 0.2);
}

button[type='submit']:disabled {
  opacity: 0.6;
  cursor: wait;
}

.message {
  margin-top: 16px;
  padding: 12px;
  border-radius: 4px;
  text-align: center;
  font-size: 0.95rem;
}

.message.success {
  background: rgba(255, 140, 0, 0.18);
  color: #ffd8a8;
}

.message.error {
  background: rgba(238, 11, 75, 0.18);
  color: #ffb3c4;
}

.hint {
  margin-top: 16px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}