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

    :root {
      --bg: #0e0f13;
      --panel: #16181f;
      --border: #2a2d38;
      --accent: #c8a96e;
      --accent-dim: #a07840;
      --text: #e8e6e0;
      --muted: #6b6d78;
      --input-bg: #1c1f29;
      --error: #e07070;
    }

    body {
      min-height: 100vh;
      background: var(--bg);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Noto Sans JP', sans-serif;
      color: var(--text);
      overflow: hidden;
    }

    /* Background grid */
	/*
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
      background-size: 60px 60px;
      opacity: 0.3;
      pointer-events: none;
    }
	*/

    /* Glow orb */
    body::after {
      content: '';
      position: fixed;
      top: -20%;
      left: 50%;
      transform: translateX(-50%);
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(200,169,110,0.08) 0%, transparent 70%);
      pointer-events: none;
    }

    .container {
      position: relative;
      z-index: 1;
      width: 100%;
      max-width: 420px;
      padding: 20px;
      animation: fadeUp 0.6s ease both;
    }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(24px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .logo {
      text-align: center;
      margin-bottom: 40px;
    }

    .logo-title {
      font-family: 'DM Serif Display', serif;
      font-style: italic;
      font-size: 2rem;
      font-weight: bold;
      color: var(--accent);
      letter-spacing: 0.02em;
      line-height: 1;
    }

    .logo-sub {
      font-size: 0.7rem;
      color: var(--muted);
      letter-spacing: 0.2em;
      text-transform: uppercase;
      margin-top: 6px;
    }

    .card {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 40px 36px;
      position: relative;
    }

    /* Top accent line */
    .card::before {
      content: '';
      position: absolute;
      top: 0; left: 20%; right: 20%;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent), transparent);
    }

    .card-title {
      font-size: 1rem;
      font-weight: 500;
      color: var(--text);
      margin-bottom: 28px;
      letter-spacing: 0.05em;
    }

    .field {
      margin-bottom: 20px;
    }

    label {
      display: block;
      font-size: 0.7rem;
      color: var(--muted);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .input-wrap {
      position: relative;
    }

    .input-wrap svg {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      width: 16px;
      height: 16px;
      color: var(--muted);
      pointer-events: none;
      transition: color 0.2s;
    }

    input {
      width: 100%;
      background: var(--input-bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text);
      font-family: 'Noto Sans JP', sans-serif;
      font-size: 0.9rem;
      padding: 12px 14px 12px 42px;
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    input::placeholder { color: var(--muted); }

    input:focus {
      border-color: var(--accent-dim);
      box-shadow: 0 0 0 3px rgba(200,169,110,0.1);
    }

    input:focus + svg,
    .input-wrap:focus-within svg {
      color: var(--accent);
    }

    /* toggle password */
    .toggle-pw {
      position: absolute;
      right: 14px;
      top: 50%;
      transform: translateY(-50%);
      background: none;
      border: none;
      cursor: pointer;
      color: var(--muted);
      padding: 2px;
      display: flex;
      align-items: center;
      transition: color 0.2s;
    }
    .toggle-pw:hover { color: var(--accent); }

    .field-meta {
      display: flex;
      justify-content: flex-end;
      margin-top: 8px;
    }

    .link {
      font-size: 0.75rem;
      color: var(--muted);
      text-decoration: none;
      transition: color 0.2s;
    }
    .link:hover { color: var(--accent); }

    .remember {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 28px;
      cursor: pointer;
    }

    .remember input[type="checkbox"] {
      width: 16px;
      height: 16px;
      padding: 0;
      accent-color: var(--accent);
      cursor: pointer;
    }

    .remember span {
      font-size: 0.8rem;
      color: var(--muted);
    }

    .btn {
      width: 100%;
      padding: 13px;
      background: var(--accent);
      color: #0e0f13;
      border: none;
      border-radius: 8px;
      font-family: 'Noto Sans JP', sans-serif;
      font-size: 0.9rem;
      font-weight: 500;
      letter-spacing: 0.08em;
      cursor: pointer;
      transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
      position: relative;
      overflow: hidden;
    }

    .btn:hover {
      background: #d9ba7e;
      box-shadow: 0 4px 20px rgba(200,169,110,0.3);
    }

    .btn:active { transform: scale(0.98); }

    .btn.loading {
      pointer-events: none;
      opacity: 0.7;
    }

    .btn.loading::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
      animation: shimmer 1s infinite;
    }

    @keyframes shimmer {
      from { transform: translateX(-100%); }
      to   { transform: translateX(100%); }
    }

    .error-msg {
      font-size: 0.75rem;
      color: var(--error);
      margin-top: 6px;
      display: none;
    }
    .error-msg.show { display: block; }

    .divider {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: 24px 0;
    }
    .divider::before, .divider::after {
      content: '';
      flex: 1;
      height: 1px;
      background: var(--border);
    }
    .divider span {
      font-size: 0.7rem;
      color: var(--muted);
      letter-spacing: 0.1em;
    }

    .signup {
      text-align: center;
      font-size: 0.8rem;
      color: var(--muted);
    }

    .signup a {
      color: var(--accent);
      text-decoration: none;
      font-weight: 500;
    }
    .signup a:hover { text-decoration: underline; }