@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

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

:root {
  --bg:           #0e0e0e;
  --surface:      #161616;
  --border:       rgba(255,255,255,0.10);
  --border-focus: rgba(255,255,255,0.30);
  --text:         #f0f0f0;
  --muted:        #666;
  --subtle:       #3a3a3a;
  --error:        #c0392b;
  --mail:         #5b8af0;
  --cloud:        #8b6cf7;
  --emp:          #2ead85;
}

html, body {
  min-height: 100vh;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 64px 24px;
}

/* ── Logo ── */
.logo {
  margin-bottom: 64px;
  text-align: center;
}

.logo-wordmark {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text);
}

.logo-wordmark em {
  font-style: normal;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0.06em;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: 400px;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.tab {
  flex: 1;
  background: none;
  border: none;
  padding: 0 0 16px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  cursor: pointer;
  position: relative;
  transition: color .2s;
  letter-spacing: .01em;
}

.tab::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity .2s;
}

.tab:hover { color: rgba(240,240,240,.55); }

.tab.active { color: var(--text); font-weight: 500; }
.tab.active::after { opacity: 1; }

.tab[data-panel="mail"]  { --accent: var(--mail); }
.tab[data-panel="cloud"] { --accent: var(--cloud); }
.tab[data-panel="emp"]   { --accent: var(--emp); }

/* ── Panels ── */
.panel { display: none; }
.panel.active {
  display: block;
  animation: appear .25s ease both;
}

@keyframes appear {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Panel heading ── */
.panel-title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -.4px;
  margin-bottom: 6px;
}

.panel-sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 40px;
  line-height: 1.5;
}

/* ── Status ── */
.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--emp);
  margin-bottom: 40px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emp);
  flex-shrink: 0;
}

/* ── Form ── */
.form-group { margin-bottom: 24px; }

label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

input[type="text"],
input[type="email"],
input[type="password"],
select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: 10px 0 12px;
  font-size: 15px;
  font-family: inherit;
  font-weight: 400;
  color: var(--text);
  outline: none;
  transition: border-color .2s;
  appearance: none;
  -webkit-appearance: none;
}

input::placeholder { color: var(--subtle); }

input:focus,
select:focus { border-color: var(--border-focus); }

.select-wrap { position: relative; }

.select-wrap::after {
  content: '';
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 6px;
  height: 6px;
  border-right: 1px solid var(--muted);
  border-bottom: 1px solid var(--muted);
  pointer-events: none;
  margin-top: -2px;
}

select option { background: #1a1a1a; color: var(--text); }

/* ── Form row ── */
.form-row {
  display: flex;
  align-items: center;
  margin-bottom: 36px;
  margin-top: -4px;
}

.checkbox-wrap {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
  user-select: none;
}

.checkbox-wrap input { display: none; }

.custom-cb {
  width: 16px;
  height: 16px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
  flex-shrink: 0;
}

.checkbox-wrap input:checked + .custom-cb {
  background: var(--text);
  border-color: var(--text);
}

.check-mark { display: none; width: 9px; height: 9px; }
.checkbox-wrap input:checked + .custom-cb .check-mark { display: block; }

/* ── Button ── */
.btn {
  width: 100%;
  padding: 14px 0;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  letter-spacing: .02em;
  cursor: pointer;
  color: #fff;
  transition: opacity .2s, transform .15s;
}

.btn:hover    { opacity: .88; }
.btn:active   { transform: scale(.99); opacity: .8; }
.btn:disabled { opacity: .4; cursor: default; transform: none; }

.btn-mail  { background: var(--mail); }
.btn-cloud { background: var(--cloud); }
.btn-emp   { background: var(--emp); }

/* ── Inline form message ── */
.form-msg {
  margin-top: 14px;
  font-size: 13px;
  min-height: 18px;
}

.form-msg.error   { color: var(--error); }
.form-msg.success { color: var(--emp); }
.form-msg:empty   { display: none; }

/* ── Passkey section ── */
.passkey-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 28px 0 20px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .04em;
}

.passkey-divider::before,
.passkey-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.passkey-btn {
  width: 100%;
  padding: 13px 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: border-color .2s, color .2s;
}

.passkey-btn svg { width: 17px; height: 17px; flex-shrink: 0; }

.passkey-btn:hover  { border-color: var(--emp); color: var(--emp); }
.passkey-btn:active { opacity: .75; }

.passkey-msg {
  margin-top: 12px;
  font-size: 13px;
  text-align: center;
  min-height: 18px;
}

.passkey-msg.error   { color: var(--error); }
.passkey-msg.success { color: var(--emp); }
.passkey-msg:empty   { display: none; }

/* ── Footer ── */
.footer {
  margin-top: 80px;
  font-size: 12px;
  color: #2e2e2e;
  text-align: center;
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .logo        { margin-bottom: 48px; }
  .tabs        { margin-bottom: 36px; }
  .panel-title { font-size: 20px; }
}