/* login.css —— 登录门户：首屏大图 + 进入按钮 + 弹窗 */

/* 首屏：那张工作台图作为登录背景 */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg);
}
.hero-image { position: absolute; inset: 0; z-index: 1; }
.hero-image img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: 75% center;
  mix-blend-mode: multiply;
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 30%;
  background: linear-gradient(to bottom, transparent, var(--bg));
  z-index: 2; pointer-events: none;
}

/* 进入按钮：左上、磨砂、融入背景 */
.enter-btn {
  position: absolute; top: 36%; left: 19%; transform: translate(-50%, -50%);
  z-index: 5;
  display: inline-flex; align-items: center; gap: 14px;
  background: none; border: none; padding: 6px 4px;
  color: var(--accent-dark);
  font-family: inherit; font-size: 1.2rem; font-weight: 500; letter-spacing: 6px;
  cursor: pointer; white-space: nowrap;
  transition: color .25s ease, letter-spacing .25s ease;
}
.enter-btn .arrow { transition: transform .25s ease; }
.enter-btn:hover { color: var(--accent); letter-spacing: 7px; }
.enter-btn:hover .arrow { transform: translateX(5px); }

/* 弹窗 */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(31,30,29,.45); backdrop-filter: blur(3px);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg); width: 100%; max-width: 380px;
  border-radius: 20px; padding: 38px 32px 32px; position: relative;
  text-align: center;
  box-shadow: 0 24px 70px rgba(31,30,29,.25);
  animation: rise .4s cubic-bezier(.2,.7,.2,1) both;
}
.modal-icon {
  width: 60px; height: 60px; margin: 4px auto 26px;
  border-radius: 50%; background: var(--bg-warm);
  display: flex; align-items: center; justify-content: center;
}
.modal .field {
  width: 100%; padding: 13px 16px; margin-bottom: 16px;
  border: 1px solid var(--line); border-radius: 12px; background: #fff;
  font-family: inherit; font-size: 1.05rem; letter-spacing: 1px; text-align: center;
  color: var(--ink); box-sizing: border-box;
}
.modal .field:focus { outline: none; border-color: var(--accent); }
.modal .close {
  position: absolute; top: 14px; right: 18px; background: none; border: none;
  font-size: 1.5rem; color: var(--ink-soft); cursor: pointer; line-height: 1;
}
.modal .submit {
  width: 100%; justify-content: center; margin-top: 6px;
  padding: 14px; border-radius: 12px; border: none;
  background: var(--accent); color: #fff;
  font-size: 1.05rem; font-weight: 500; letter-spacing: 6px;
  box-shadow: 0 6px 18px rgba(204,120,92,.28);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.modal .submit:hover {
  background: var(--accent-dark); transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(204,120,92,.38);
}
.modal .submit:active { transform: translateY(0); }
.modal .status { font-size: .9rem; text-align: center; min-height: 1.2em; margin-top: 12px; }
#tsBox { display: flex; justify-content: center; margin: 4px 0 14px; min-height: 65px; }

@media (max-width: 760px) {
  .enter-btn { left: 50%; top: 42%; }
  .hero-image img { object-position: 60% 28%; }
}