/* 登录页 — 轩沅 · 资产运营系统 · 精致金融风 */
:root {
  --bg-outer: #c8d2df;
  --bg-brand: #040a12;
  --bg-panel: #fcfdfe;
  --bg-soft: #f4f6f9;
  --text: #0a1220;
  --text-2: #3d4a5c;
  --text-3: #7a8699;
  --text-on-dark: #f0f4f8;
  --text-muted-dark: rgba(203, 213, 225, 0.62);
  --navy: #0a1628;
  --navy-mid: #132a45;
  --gold: #c4a052;
  --gold-light: #edd9a8;
  --gold-bright: #e8c878;
  --gold-pale: rgba(196, 160, 82, 0.12);
  --gold-ring: rgba(196, 160, 82, 0.45);
  --shadow-frame:
    0 0 0 1px rgba(255, 255, 255, 0.85),
    0 0 0 1px rgba(196, 160, 82, 0.08) inset,
    0 48px 120px rgba(4, 10, 20, 0.28),
    0 12px 32px rgba(4, 10, 20, 0.1);
  --radius: 12px;
  --radius-frame: 28px;
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  color-scheme: light;
}

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

html {
  -webkit-text-size-adjust: 100%;
  height: 100%;
}

body.login-page {
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-outer);
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── 背景 ── */
.login-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.login-bg-base {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -8%, rgba(196, 160, 82, 0.16), transparent 62%),
    radial-gradient(ellipse 40% 35% at 0% 80%, rgba(12, 31, 54, 0.12), transparent 55%),
    radial-gradient(ellipse 45% 40% at 100% 20%, rgba(196, 160, 82, 0.08), transparent 50%),
    linear-gradient(165deg, #dce3ed 0%, #b8c4d4 45%, #c5ceda 100%);
}

.login-bg-aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: auroraDrift 18s ease-in-out infinite alternate;
}

.login-bg-aurora--1 {
  width: 55vw;
  height: 55vw;
  max-width: 680px;
  max-height: 680px;
  top: -18%;
  left: -8%;
  background: radial-gradient(circle, rgba(196, 160, 82, 0.14), transparent 68%);
}

.login-bg-aurora--2 {
  width: 45vw;
  height: 45vw;
  max-width: 560px;
  max-height: 560px;
  bottom: -12%;
  right: -6%;
  background: radial-gradient(circle, rgba(19, 42, 69, 0.18), transparent 70%);
  animation-delay: -9s;
}

@keyframes auroraDrift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(3%, 2%) scale(1.06); }
}

.login-bg-grid {
  position: absolute;
  inset: 0;
  opacity: 0.045;
  background-image:
    linear-gradient(rgba(12, 31, 54, 0.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 31, 54, 0.6) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black, transparent);
}

.login-bg-beam {
  position: absolute;
  width: 1px;
  height: 55vh;
  background: linear-gradient(180deg, transparent, rgba(196, 160, 82, 0.22), transparent);
  transform-origin: top center;
  opacity: 0.5;
}

.login-bg-beam--1 {
  top: 0;
  left: 18%;
  transform: rotate(12deg);
}

.login-bg-beam--2 {
  top: 0;
  right: 22%;
  transform: rotate(-8deg);
}

.login-bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── 主容器 ── */
.login-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
}

.login-frame {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) auto minmax(340px, 420px);
  width: 100%;
  max-width: 1020px;
  min-height: 600px;
  background: var(--bg-panel);
  border-radius: var(--radius-frame);
  box-shadow: var(--shadow-frame);
  overflow: hidden;
  animation: frameIn 0.85s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.login-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95);
  z-index: 3;
}

.login-frame-corner {
  position: absolute;
  width: 28px;
  height: 28px;
  z-index: 4;
  pointer-events: none;
}

.login-frame-corner::before,
.login-frame-corner::after {
  content: "";
  position: absolute;
  background: linear-gradient(90deg, var(--gold-light), var(--gold));
  opacity: 0.55;
}

.login-frame-corner--tl { top: 14px; left: 14px; }
.login-frame-corner--tl::before { top: 0; left: 0; width: 18px; height: 1px; }
.login-frame-corner--tl::after { top: 0; left: 0; width: 1px; height: 18px; }

.login-frame-corner--tr { top: 14px; right: 14px; }
.login-frame-corner--tr::before { top: 0; right: 0; width: 18px; height: 1px; }
.login-frame-corner--tr::after { top: 0; right: 0; width: 1px; height: 18px; }

.login-frame-corner--bl { bottom: 14px; left: 14px; }
.login-frame-corner--bl::before { bottom: 0; left: 0; width: 18px; height: 1px; }
.login-frame-corner--bl::after { bottom: 0; left: 0; width: 1px; height: 18px; }

.login-frame-corner--br { bottom: 14px; right: 14px; }
.login-frame-corner--br::before { bottom: 0; right: 0; width: 18px; height: 1px; }
.login-frame-corner--br::after { bottom: 0; right: 0; width: 1px; height: 18px; }

@keyframes frameIn {
  from { opacity: 0; transform: translateY(24px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

/* ── 中轴分隔 ── */
.login-divider {
  position: relative;
  width: 1px;
  background: linear-gradient(
    180deg,
    transparent 6%,
    rgba(196, 160, 82, 0.12) 20%,
    rgba(196, 160, 82, 0.65) 50%,
    rgba(196, 160, 82, 0.12) 80%,
    transparent 94%
  );
}

.login-divider-gem {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  box-shadow:
    0 0 16px rgba(196, 160, 82, 0.55),
    0 0 4px rgba(255, 255, 255, 0.4) inset;
}

/* ── 左侧品牌区 ── */
.login-brand {
  position: relative;
  background:
    radial-gradient(ellipse 90% 70% at 20% 30%, rgba(196, 160, 82, 0.07), transparent 55%),
    linear-gradient(155deg, #081018 0%, #040a12 55%, #060e18 100%);
  padding: 3.25rem 2.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.login-brand-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.login-brand-grid {
  position: absolute;
  inset: 0;
  opacity: 0.38;
  background-image:
    linear-gradient(rgba(196, 160, 82, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196, 160, 82, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 100% 90% at 30% 42%, black 10%, transparent 80%);
}

.login-brand-shine {
  position: absolute;
  top: -30%;
  right: -25%;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(196, 160, 82, 0.14), transparent 62%);
  animation: shinePulse 8s ease-in-out infinite alternate;
}

@keyframes shinePulse {
  from { opacity: 0.7; transform: scale(1); }
  to { opacity: 1; transform: scale(1.05); }
}

.login-brand-arc {
  position: absolute;
  bottom: -160px;
  right: -110px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  border: 1px solid rgba(196, 160, 82, 0.12);
  opacity: 0.75;
}

.login-brand-arc::before {
  content: "";
  position: absolute;
  inset: 24px;
  border-radius: 50%;
  border: 1px solid rgba(196, 160, 82, 0.06);
}

.login-brand-watermark {
  position: absolute;
  bottom: -0.06em;
  left: -0.04em;
  font-family: var(--font-display);
  font-size: clamp(7.5rem, 15vw, 10.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.1em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(196, 160, 82, 0.08);
  pointer-events: none;
  user-select: none;
}

.login-brand-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3rem;
  width: 100%;
}

.brand-hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  animation: brandIn 0.75s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

@keyframes brandIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

.brand-emblem-wrap {
  position: relative;
  flex-shrink: 0;
  width: 76px;
  height: 76px;
}

.brand-emblem-wrap--hero {
  width: 112px;
  height: 112px;
  margin-bottom: 2rem;
}

.brand-emblem-wrap--sm {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.85rem;
}

.brand-emblem-glow {
  position: absolute;
  inset: -16px;
  border-radius: 32px;
  background: radial-gradient(circle at 50% 55%, rgba(196, 160, 82, 0.32), transparent 65%);
  pointer-events: none;
  animation: glowBreath 4s ease-in-out infinite alternate;
}

@keyframes glowBreath {
  from { opacity: 0.75; }
  to { opacity: 1; }
}

.brand-emblem-ring {
  position: absolute;
  inset: -8px;
  border-radius: 28px;
  border: 1px dashed rgba(196, 160, 82, 0.28);
  animation: ringSpin 48s linear infinite;
}

@keyframes ringSpin {
  to { transform: rotate(360deg); }
}

.brand-emblem {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 16px 36px rgba(0, 0, 0, 0.5));
}

.login-brand-title {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.06;
  margin: 0;
  position: relative;
  padding-left: 1.1rem;
}

.login-brand-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  box-shadow: 0 0 12px rgba(196, 160, 82, 0.45);
}

.title-line {
  display: block;
  font-size: clamp(2.25rem, 4.5vw, 3rem);
  letter-spacing: 0.2em;
  color: #fff;
  text-shadow: 0 2px 40px rgba(196, 160, 82, 0.18);
}

.title-line--gold {
  margin-top: 0.08em;
  background: linear-gradient(120deg, #fff 0%, var(--gold-light) 48%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.24em;
}

.login-brand-lead {
  margin-top: 1.35rem;
  max-width: 17em;
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--text-muted-dark);
  letter-spacing: 0.08em;
  font-weight: 400;
}

.brand-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  width: 100%;
  animation: brandIn 0.75s cubic-bezier(0.16, 1, 0.3, 1) 0.22s both;
}

.brand-pillar {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 0.75rem 0.85rem;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(196, 160, 82, 0.14);
  border-radius: 10px;
  backdrop-filter: blur(4px);
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}

.brand-pillar:hover {
  background: rgba(196, 160, 82, 0.06);
  border-color: rgba(196, 160, 82, 0.28);
  transform: translateY(-2px);
}

.pillar-num {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(196, 160, 82, 0.65);
  font-variant-numeric: tabular-nums;
}

.pillar-label {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--text-on-dark);
}

.pillar-desc {
  font-size: 0.68rem;
  color: var(--text-muted-dark);
  letter-spacing: 0.05em;
}

/* ── 右侧登录区 ── */
.login-panel {
  padding: 2.75rem 2.5rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    radial-gradient(ellipse 100% 80% at 100% 0%, rgba(196, 160, 82, 0.04), transparent 55%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  position: relative;
}

.login-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(196, 160, 82, 0.35) 60%, transparent);
  opacity: 0.7;
}

.login-panel-emblem {
  display: none;
}

.login-panel-head {
  text-align: left;
  margin-bottom: 0;
  animation: panelIn 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
}

.login-panel-head-inner {
  position: relative;
}

@keyframes panelIn {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: none; }
}

.login-panel-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.35em;
  color: var(--gold);
  margin-bottom: 0.45rem;
}

.login-panel-eyebrow-line {
  display: block;
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(196, 160, 82, 0.3));
}

.login-panel-head h2 {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.08em;
}

.login-panel-desc {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-3);
  letter-spacing: 0.03em;
}

.login-form {
  margin-top: 1.85rem;
  animation: panelIn 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.22s both;
}

.login-field {
  margin-bottom: 1.15rem;
  animation: fieldIn 0.55s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.login-field:nth-child(1) { animation-delay: 0.28s; }
.login-field:nth-child(2) { animation-delay: 0.34s; }
.login-field:nth-child(3) { animation-delay: 0.4s; }

@keyframes fieldIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.login-field label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 0.42rem;
  letter-spacing: 0.06em;
  text-transform: none;
}

.login-input-wrap {
  position: relative;
}

.login-input-icon {
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  display: flex;
  pointer-events: none;
  transition: color 0.25s, transform 0.25s;
}

.login-input-wrap:focus-within .login-input-icon {
  color: var(--gold);
  transform: translateY(-50%) scale(1.05);
}

.login-input {
  width: 100%;
  padding: 0.82rem 1rem 0.82rem 2.65rem;
  font-size: 0.9rem;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid rgba(12, 21, 36, 0.06);
  border-radius: var(--radius);
  outline: none;
  box-shadow:
    inset 0 1px 2px rgba(12, 21, 36, 0.03),
    0 1px 0 rgba(255, 255, 255, 0.8);
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.login-input::placeholder {
  color: #9aa5b4;
  font-weight: 400;
}

.login-input:hover {
  background: #fff;
  border-color: rgba(196, 160, 82, 0.28);
}

.login-input:focus {
  background: #fff;
  border-color: rgba(196, 160, 82, 0.45);
  box-shadow:
    inset 0 1px 2px rgba(12, 21, 36, 0.02),
    0 0 0 3px var(--gold-pale),
    0 4px 12px rgba(196, 160, 82, 0.08);
}

.login-captcha-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
  align-items: stretch;
}

.login-captcha-img {
  display: flex;
  align-items: center;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(12, 21, 36, 0.06);
  background: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.login-captcha-img:hover {
  border-color: rgba(196, 160, 82, 0.4);
  box-shadow: 0 0 0 3px var(--gold-pale);
}

.login-captcha-row img {
  display: block;
  height: 46px;
  cursor: pointer;
}

.login-remember {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.35rem;
  font-size: 0.78rem;
  color: var(--text-2);
  cursor: pointer;
  user-select: none;
}

.login-remember input {
  width: 15px;
  height: 15px;
  accent-color: var(--gold);
}

.login-submit {
  width: 100%;
  padding: 0.95rem 1rem;
  font-size: 0.94rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #faf8f5;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
    linear-gradient(135deg, #0a1628 0%, #152d4a 50%, #0c1f36 100%);
  border: 1px solid rgba(196, 160, 82, 0.38);
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow:
    0 8px 24px rgba(8, 16, 28, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.18s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.login-submit::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196, 160, 82, 0.6), transparent);
}

.login-submit::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.12) 50%, transparent 65%);
  transform: translateX(-120%);
  transition: transform 0.65s ease;
}

.login-submit:hover {
  border-color: rgba(196, 160, 82, 0.58);
  box-shadow:
    0 12px 32px rgba(8, 16, 28, 0.36),
    0 0 20px rgba(196, 160, 82, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.login-submit:hover::after {
  transform: translateX(120%);
}

.login-submit:active {
  transform: scale(0.982);
}

.login-submit-text {
  position: relative;
  z-index: 1;
}

.login-register {
  margin-top: 1.15rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-3);
}

.login-register a {
  color: var(--navy-mid);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.login-register a:hover {
  color: var(--gold);
  border-bottom-color: rgba(196, 160, 82, 0.4);
}

.login-panel-note {
  margin-top: auto;
  padding-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  font-size: 0.62rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
}

.login-trust-item {
  padding: 0.28rem 0.55rem;
  background: rgba(12, 21, 36, 0.03);
  border: 1px solid rgba(12, 21, 36, 0.05);
  border-radius: 999px;
  font-weight: 500;
}

.login-trust-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(196, 160, 82, 0.45);
  flex-shrink: 0;
}

label.error {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  color: #dc2626;
}

/* ── 响应式 ── */
@media (max-width: 860px) {
  .login-frame {
    grid-template-columns: 1fr;
    max-width: 440px;
    min-height: auto;
  }

  .login-frame-corner {
    display: none;
  }

  .login-brand,
  .login-divider {
    display: none;
  }

  .login-panel-emblem {
    display: block;
  }

  .login-panel-head {
    text-align: center;
  }

  .login-panel-eyebrow {
    justify-content: center;
  }

  .login-panel {
    padding: 2.5rem 2rem 2rem;
  }

  .brand-pillars {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .login-shell {
    padding: 1rem;
  }

  .login-frame {
    border-radius: 20px;
  }

  .login-panel {
    padding: 2.15rem 1.5rem 1.75rem;
  }

  .login-trust-dot {
    display: none;
  }

  .login-panel-note {
    gap: 0.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-frame,
  .brand-emblem-ring,
  .brand-emblem-glow,
  .brand-hero,
  .brand-pillars,
  .login-panel-head,
  .login-form,
  .login-field,
  .login-brand-shine,
  .login-bg-aurora {
    animation: none;
  }
}