/* ========================================================================
   登录页样式（复用 styles.css 的变量与基础重置）
   ===================================================================== */

.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(91, 91, 214, .16), transparent 60%),
    radial-gradient(700px 480px at 105% 110%, rgba(16, 185, 129, .13), transparent 55%),
    var(--bg);
}

.login-wrap { width: min(380px, 100%); }

.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 34px 30px 26px;
  box-shadow: var(--shadow), 0 22px 60px -30px rgba(16, 24, 40, .45);
  animation: cardIn .35s cubic-bezier(.2, .8, .3, 1);
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(12px) scale(.985); }
  to { opacity: 1; transform: none; }
}

.login-brand { text-align: center; margin-bottom: 26px; }
.login-mark {
  display: inline-block;
  font-size: 42px;
  line-height: 1;
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
.login-brand h1 {
  margin: 10px 0 4px;
  font-size: 19px;
  letter-spacing: .3px;
}
.login-brand p {
  margin: 0;
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: .5px;
}

.login-form { display: flex; flex-direction: column; gap: 15px; }

.login-field { display: flex; flex-direction: column; gap: 7px; }
.login-field span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-soft);
}
.login-field input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  outline: none;
  transition: border-color .16s, box-shadow .16s, background .16s;
}
.login-field input:focus {
  border-color: var(--accent);
  background: var(--panel);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.login-error {
  margin: 0;
  font-size: 12.5px;
  color: var(--high);
  background: rgba(239, 68, 68, .09);
  border: 1px solid rgba(239, 68, 68, .22);
  border-radius: 9px;
  padding: 8px 11px;
  animation: shake .3s;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.login-submit {
  margin-top: 4px;
  padding: 12px;
  border: none;
  border-radius: 11px;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  box-shadow: 0 10px 24px -12px var(--accent);
  transition: filter .15s, transform .1s, opacity .15s;
}
.login-submit:hover { filter: brightness(1.07); }
.login-submit:active { transform: scale(.985); }
.login-submit:disabled { opacity: .6; cursor: progress; letter-spacing: 1px; }

.login-hint {
  margin: 20px 0 0;
  text-align: center;
  font-size: 11.5px;
  color: var(--text-faint);
}