:root {
  --bg-primary: #0d1117;
  --bg-card: #1c2128;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --accent-danger: #f85149;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --border: #30363d;
  --input-bg: #010409;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

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

[hidden] {
  /* Force la disparition des etapes masquees par login.html malgre les display:flex des groupes. */
  display: none !important;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

div:not(.hidden) {
  opacity: 1;

  transition: all ease-in-out 500ms;
}

div.hidden {
  opacity: 0;
}

.login-container {
  width: 100%;
  max-width: 380px;
  padding: 16px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow);
}

.login-logo {
  text-align: center;
}

.login-logo h1 {
  color: var(--accent);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.login-logo .subtitle {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 4px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

input[type="text"],
input[type="password"] {
  background: var(--input-bg);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  width: 100%;
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.5s;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

.btn-login {
  background: var(--accent);
  color: #0d1117;
  border: none;
  border-radius: 6px;
  padding: 10px;
  width: 100%;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: background 0.5s, transform 0.5s;
  margin-top: 4px;
}

.btn-login:hover {
  background: var(--accent-hover);
}

.btn-login:active {
  transform: scale(0.99);
}

.error-msg {
  color: var(--accent-danger);
  padding: 10px 12px;
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid rgba(248, 81, 73, 0.3);
  border-radius: 6px;
  font-size: 0.82rem;
  text-align: center;
}

.twofa-setup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.twofa-title {
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.twofa-qr {
  width: 220px;
  max-width: 100%;
  background: #ffffff;
  border-radius: 6px;
  padding: 8px;
}

.twofa-secret {
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.76rem;
  overflow-wrap: anywhere;
  text-align: center;
}

.twofa-link {
  color: var(--accent);
  font-size: 0.78rem;
  text-align: center;
  text-decoration: none;
}

.twofa-link:hover {
  color: var(--accent-hover);
}

.trust-device-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.35;
  cursor: pointer;
}

.trust-device-label input {
  margin-top: 1px;
  flex-shrink: 0;
  accent-color: var(--accent);
  cursor: pointer;
}