.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.auth-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
}
.auth-blob {
  display: none;
}

.auth-card {
  position: relative; z-index: 1;
  width: 100%; max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 24px;
  padding: 2.6rem 2.4rem;
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
  -webkit-backdrop-filter: var(--backdrop);
  animation: fadeUp 0.5s 0.05s ease both;
}

.auth-logo {
  display: flex; align-items: center; gap: 9px;
  font-size: 18px; font-weight: 700; letter-spacing: -0.02em;
  color: var(--text); text-decoration: none;
  margin-bottom: 2rem;
}
.auth-logo-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.auth-logo-mark svg { width: 16px; height: 16px; fill: #fff; }

.auth-title {
  font-size: 1.55rem; font-weight: 800;
  letter-spacing: -0.03em; color: var(--text);
  margin-bottom: 0.35rem;
}
.auth-sub {
  font-size: 13px; color: var(--text2);
  margin-bottom: 1.8rem; line-height: 1.6;
}
.auth-sub a {
  color: var(--accent); text-decoration: none; font-weight: 600;
}
.auth-sub a:hover { color: var(--accent-lt); }

.auth-form { display: flex; flex-direction: column; gap: 14px; }

.field { display: flex; flex-direction: column; gap: 5px; }
.field label {
  font-size: 12px; font-weight: 600;
  color: var(--text2); letter-spacing: 0.01em;
}
.field-input-wrap { position: relative; }
.field-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; stroke: var(--text3); pointer-events: none;
}
.field input {
  width: 100%;
  padding: 10px 12px 10px 38px;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 10px;
  font-family: var(--font); font-size: 14px;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.field input::placeholder { color: var(--text3); }

.field-eye {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; stroke: var(--text3);
  cursor: pointer; background: none; border: none; padding: 0;
  display: flex; align-items: center; justify-content: center;
}
.field-eye:hover { stroke: var(--text2); }
.field input.has-eye { padding-right: 38px; }

.auth-error {
  display: none;
  background: var(--coral-dim);
  border: 1px solid rgba(249,112,88,0.25);
  border-radius: 9px;
  padding: 10px 13px;
  font-size: 13px; color: var(--coral);
  font-weight: 500;
}
.auth-error.show { display: flex; align-items: center; gap: 8px; }
.auth-error svg { width: 15px; height: 15px; stroke: var(--coral); flex-shrink: 0; }

.btn-auth {
  width: 100%; padding: 11px;
  border-radius: 10px; border: none;
  background: var(--accent);
  font-family: var(--font); font-size: 14px; font-weight: 700;
  color: #fff; cursor: pointer;
  transition: all 0.2s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 4px;
}
.btn-auth:hover:not(:disabled) {
  background: var(--accent-lt);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(14,165,160,0.3);
}
.btn-auth:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-auth .spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.btn-auth.loading .spinner { display: block; }
.btn-auth.loading .btn-label { display: none; }

.auth-divider {
  display: flex; align-items: center; gap: 10px;
  margin: 4px 0;
}
.auth-divider-line { flex: 1; height: 1px; background: var(--border); }
.auth-divider span { font-size: 11px; color: var(--text3); white-space: nowrap; }

.auth-theme-btn {
  position: fixed; top: 1rem; right: 1rem;
  width: 34px; height: 34px; border-radius: 8px;
  border: 1px solid var(--border2); background: var(--surface);
  color: var(--text2); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; z-index: 300;
}
.auth-theme-btn:hover { background: var(--surface2); color: var(--text); }
.auth-theme-btn svg { width: 16px; height: 16px; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}