/* static/css/login.css
   役割: ログイン画面だけの見た目。
   暗い背景に細いグリッドを流し、パネルは半透明＋ネオンの縁取りでまとめる。
   動きは控えめ（走査線・淡い明滅・フォーカスの発光）にとどめ、
   毎日使う画面として目が疲れないことを優先している。 */

:root {
  --neon: #22d3ee;          /* 主役の青緑 */
  --neon-2: #818cf8;        /* 差し色の藤 */
  --ink: #e2e8f0;
  --dim: #94a3b8;
}

.login-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #05070f;
  color: var(--ink);
  font-family: "Meiryo", "Yu Gothic", sans-serif;
  overflow: hidden;
  position: relative;
}

/* ===== 背景：奥へ流れるグリッドと光のにじみ ===== */
.login-body::before {
  content: "";
  position: absolute;
  inset: -50%;
  background-image:
    linear-gradient(rgba(34, 211, 238, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, .07) 1px, transparent 1px);
  background-size: 46px 46px;
  transform: perspective(420px) rotateX(62deg);
  animation: grid-flow 9s linear infinite;
}
@keyframes grid-flow {
  from { background-position: 0 0; }
  to   { background-position: 0 46px; }
}

.login-body::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 42% at 50% 4%, rgba(34, 211, 238, .20), transparent 70%),
    radial-gradient(46% 38% at 12% 92%, rgba(129, 140, 248, .18), transparent 70%),
    radial-gradient(40% 34% at 88% 84%, rgba(217, 70, 239, .12), transparent 70%);
  pointer-events: none;
}

/* ===== パネル ===== */
.login-box {
  position: relative;
  z-index: 2;
  width: 380px;
  padding: 38px 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: rgba(11, 17, 32, .72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(34, 211, 238, .35);
  border-radius: 14px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, .03) inset,
    0 24px 60px rgba(0, 0, 0, .6),
    0 0 42px rgba(34, 211, 238, .12);
  overflow: hidden;
  animation: panel-in .7s cubic-bezier(.2, .8, .2, 1) both;
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(16px) scale(.98); }
  to   { opacity: 1; transform: none; }
}

/* 上を走る光の線 */
.login-box::before {
  content: "";
  position: absolute;
  top: 0; left: -40%;
  width: 40%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  animation: scan 3.6s ease-in-out infinite;
}
@keyframes scan {
  0%   { left: -40%; }
  55%  { left: 100%; }
  100% { left: 100%; }
}

/* 四隅の括弧 */
.login-box .corner {
  position: absolute;
  width: 16px; height: 16px;
  border: 1px solid var(--neon);
  opacity: .75;
}
.login-box .corner.tl { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.login-box .corner.tr { top: 10px; right: 10px; border-left: 0; border-bottom: 0; }
.login-box .corner.bl { bottom: 10px; left: 10px; border-right: 0; border-top: 0; }
.login-box .corner.br { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }

/* ===== 見出し ===== */
.login-head { text-align: center; }
.login-mark {
  font-size: 11px; letter-spacing: .38em; color: var(--neon);
  text-transform: uppercase;
  font-family: "Consolas", "SFMono-Regular", monospace;
}
/* 1文字ずつ、左から順に跳ねる。--i で順番をずらしている。 */
.login-mark span {
  display: inline-block;
  animation: letter-hop 2.6s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * .07s);
}
.login-mark .sp { width: .5em; animation: none; }
@keyframes letter-hop {
  0%, 42%, 100% { transform: translateY(0); color: var(--neon); text-shadow: none; }
  16%           { transform: translateY(-5px) scale(1.12);
                  color: #fff; text-shadow: 0 0 10px var(--neon), 0 0 20px rgba(34, 211, 238, .6); }
  30%           { transform: translateY(0); }
}
.login-box h1 {
  margin: 6px 0 2px;
  font-size: 25px; letter-spacing: .14em; color: #fff;
  text-shadow: 0 0 14px rgba(34, 211, 238, .55);
}
.login-sub { font-size: 11px; color: var(--dim); letter-spacing: .08em; }

.login-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, .55), transparent);
}

/* ===== 入力 ===== */
.login-box label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 11px; color: var(--dim); letter-spacing: .12em;
}
.login-box input {
  background: rgba(148, 163, 184, .07);
  border: 1px solid rgba(148, 163, 184, .28);
  border-radius: 8px;
  padding: 11px 13px;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.login-box input::placeholder { color: #475569; }
.login-box input:focus {
  outline: none;
  background: rgba(34, 211, 238, .08);
  border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .16), 0 0 18px rgba(34, 211, 238, .28);
}

/* ===== ボタン ===== */
.btn-login {
  position: relative;
  margin-top: 4px;
  padding: 12px;
  border: none; border-radius: 8px;
  background: linear-gradient(120deg, #0891b2, #6366f1);
  color: #fff; font-family: inherit; font-size: 15px; font-weight: bold;
  letter-spacing: .16em; cursor: pointer;
  overflow: hidden;
  transition: transform .15s, box-shadow .2s;
  box-shadow: 0 6px 20px rgba(8, 145, 178, .35);
}
.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(99, 102, 241, .5), 0 0 22px rgba(34, 211, 238, .4);
}
.btn-login:active { transform: translateY(0); }
.btn-login::after {                       /* ホバーで走る光 */
  content: "";
  position: absolute; top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .32), transparent);
  transition: left .5s;
}
.btn-login:hover::after { left: 120%; }

/* ===== エラー ===== */
.login-error {
  display: flex; align-items: center; gap: 7px;
  background: rgba(244, 63, 94, .12);
  border: 1px solid rgba(244, 63, 94, .45);
  color: #fda4af;
  border-radius: 8px; padding: 9px 12px; font-size: 12px;
  animation: shake .4s;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-5px); }
  75%      { transform: translateX(5px); }
}

/* ===== 足元 ===== */
.login-foot {
  text-align: center; font-size: 10px; color: #475569;
  letter-spacing: .1em;
  font-family: "Consolas", "SFMono-Regular", monospace;
}
.login-foot .dot {
  display: inline-block; width: 5px; height: 5px; border-radius: 50%;
  background: var(--neon); margin-right: 6px; vertical-align: middle;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, .6); }
  50%      { box-shadow: 0 0 0 5px rgba(34, 211, 238, 0); }
}

/* 画面が小さいときは余白を詰める */
@media (max-width: 440px) {
  .login-box { width: calc(100vw - 32px); padding: 30px 22px 26px; }
}

/* 動きを減らす設定の人には、アニメーションを止める */
@media (prefers-reduced-motion: reduce) {
  .login-body::before, .login-box, .login-box::before,
  .login-foot .dot, .login-mark span { animation: none; }
}

/* ===== reCAPTCHA =====
   Googleが差し込む枠は白背景で固定。暗い画面から浮かないよう、
   まわりに余白と薄い枠を置いてなじませる。幅が足りないときは縮小する。 */
.login-captcha {
  display: flex;
  justify-content: center;
  padding: 4px;
  border-radius: 8px;
  background: rgba(148, 163, 184, .07);
  border: 1px solid rgba(148, 163, 184, .22);
}
.login-captcha .g-recaptcha { line-height: 0; }
@media (max-width: 400px) {
  /* 幅304pxの枠が入りきらない画面では、左上を基点に縮める */
  .login-captcha .g-recaptcha {
    transform: scale(.88);
    transform-origin: 0 0;
    height: 68px;
  }
}

/* ===== 社員番号の登録画面（employee_code.html） =====
   ログインの枠をそのまま使い、確認用の表示だけ足す。 */
.btn-login--sub {
  margin-top: 8px; background: transparent;
  border: 1px solid rgba(255, 255, 255, .35); color: #cbd5e1;
  box-shadow: none;
}
.btn-login--sub:hover { border-color: rgba(255, 255, 255, .6); color: #fff; }

.code-note {
  font-size: 12px; line-height: 1.7; color: #cbd5e1; margin: 10px 0 14px;
}
.code-note--small { font-size: 11px; color: #94a3b8; margin-top: 14px; margin-bottom: 0; }

.code-confirm {
  margin: 12px 0 14px; padding: 14px; text-align: center;
  border: 1px solid rgba(255, 255, 255, .25); border-radius: 6px;
  background: rgba(255, 255, 255, .06);
}
.code-confirm--check { border-color: rgba(249, 115, 22, .8); }
.code-confirm__code { font-size: 12px; letter-spacing: .18em; color: #94a3b8; }
.code-confirm__name { font-size: 20px; font-weight: bold; color: #fff; margin: 4px 0 2px; }
.code-confirm__place { font-size: 12px; color: #cbd5e1; }
.code-confirm__warn { margin-top: 10px; font-size: 11px; color: #fdba74; }