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

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      background: #111111;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* ---- TOP BAR ---- */
    .topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 2.5rem;
      height: 60px;
      background: #000;
      border-bottom: 3px solid #CC1F1F;
      flex-shrink: 0;
    }

    .logo {
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.5px;
      text-transform: uppercase;
    }

    .logo span {
      color: #CC1F1F;
    }

    .topbar-right {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 24px;
      color: rgba(255, 255, 255, 0.4);
    }

    .topbar-right i {
      font-size: 28px;
    }

    /* ---- MAIN LAYOUT ---- */
    .page {
      flex: 1;
      display: flex;
      align-items: stretch;
    }

    /* ---- LEFT PANEL ---- */
    .left-panel {
      flex: 1;
      background: #000;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 2rem 4rem 2rem 5rem;
      position: relative;
      overflow: hidden;
    }

    .left-panel::after {
      content: '';
      position: absolute;
      right: 0;
      top: 0;
      bottom: 0;
      width: 1px;
      background: linear-gradient(to bottom, transparent, #CC1F1F 30%, #CC1F1F 70%, transparent);
    }

    .panel-logo {
      width: 420px;
      margin-bottom: 1.5rem;
    }

    .panel-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 15px;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: #CC1F1F;
      margin-bottom: 1.5rem;
    }

    .panel-eyebrow::before {
      content: '';
      display: block;
      width: 25px;
      height: 2px;
      background: #CC1F1F;
    }

    .panel-headline {
      font-size: 60px;
      font-weight: 700;
      color: #fff;
      line-height: 1.12;
      letter-spacing: -1.5px;
      margin-bottom: 1.25rem;
      max-width: 560px;
    }

    .panel-headline em {
      color: #CC1F1F;
      font-style: normal;
    }

    .panel-sub {
      font-size: 21px;
      color: rgba(255, 255, 255, 0.45);
      line-height: 1.65;
      max-width: 500px;
      margin-bottom: 1.5rem;
    }

    .feature-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      max-width: 500px;
    }

    .feature-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }

    .feature-icon {
      width: 40px;
      height: 40px;
      border: 1px solid rgba(204, 31, 31, 0.4);
      border-radius: 7px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      color: #CC1F1F;
      font-size: 20px;
    }

    .feature-text strong {
      display: block;
      font-size: 20px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 3px;
    }

    .feature-text span {
      font-size: 17px;
      color: rgba(255, 255, 255, 0.4);
      line-height: 1.5;
    }

    .watermark {
      position: absolute;
      bottom: -20px;
      right: 40px;
      font-size: 160px;
      font-weight: 900;
      color: rgba(255, 255, 255, 0.025);
      letter-spacing: -8px;
      user-select: none;
      pointer-events: none;
      text-transform: uppercase;
    }

    /* ---- RIGHT PANEL (LOGIN) ---- */
    .right-panel {
      width: 560px;
      flex-shrink: 0;
      background: #fff;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 2.5rem 3.5rem;
    }

    .login-header {
      margin-bottom: 2rem;
    }

    .login-tag {
      display: inline-block;
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: #fff;
      background: #CC1F1F;
      padding: 5px 12px;
      border-radius: 4px;
      margin-bottom: 0.75rem;
    }

    .login-title {
      font-size: 36px;
      font-weight: 700;
      color: #111;
      margin-bottom: 8px;
      letter-spacing: -0.5px;
    }

    .login-sub {
      font-size: 18px;
      color: #777;
      line-height: 1.5;
    }

    .divider-line {
      height: 1px;
      background: #E8E8E8;
      margin: 1.5rem 0;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 16px;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: #444;
      margin-bottom: 8px;
    }

    .input-wrap {
      position: relative;
    }

    .input-wrap i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 22px;
      color: #AAA;
      pointer-events: none;
    }

    .form-input {
      width: 100%;
      padding: 14px 14px 14px 46px;
      font-size: 20px;
      border: 1.5px solid #E0E0E0;
      border-radius: 8px;
      background: #FAFAFA;
      color: #111;
      outline: none;
      transition: border-color 0.15s, background 0.15s;
    }

    .form-input:focus {
      border-color: #CC1F1F;
      background: #fff;
    }

    .form-input::placeholder {
      color: #C0C0C0;
    }

    .form-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
      margin-top: -4px;
    }

    .remember-label {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 18px;
      color: #666;
      cursor: pointer;
    }

    .remember-label input[type="checkbox"] {
      accent-color: #CC1F1F;
      width: 18px;
      height: 18px;
    }

    .forgot-link {
      font-size: 18px;
      color: #CC1F1F;
      text-decoration: none;
      cursor: pointer;
    }

    .forgot-link:hover {
      text-decoration: underline;
    }

    .btn-signin {
      width: 100%;
      background: #CC1F1F;
      color: #fff;
      border: none;
      border-radius: 8px;
      padding: 16px;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      cursor: pointer;
      transition: background 0.15s;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
    }

    .btn-signin:hover {
      background: #A81818;
    }

    .btn-signin i {
      font-size: 22px;
    }

    .error-message {
      display: none;
      background: #FEF2F2;
      border: 1px solid #FECACA;
      border-radius: 8px;
      padding: 12px 16px;
      margin-bottom: 18px;
      font-size: 18px;
      color: #991B1B;
      align-items: center;
      gap: 10px;
    }

    .error-message.visible {
      display: flex;
    }

    .error-message i {
      font-size: 22px;
      flex-shrink: 0;
    }

    .success-message {
      display: none;
      background: #F0FDF4;
      border: 1px solid #BBF7D0;
      border-radius: 8px;
      padding: 12px 16px;
      margin-bottom: 18px;
      font-size: 18px;
      color: #166534;
      align-items: center;
      gap: 10px;
    }

    .success-message.visible {
      display: flex;
    }

    .success-message i {
      font-size: 22px;
      flex-shrink: 0;
    }

    .apply-section {
      margin-top: 1.5rem;
      padding: 1.25rem 1.5rem;
      background: #F5F5F5;
      border-radius: 8px;
      border-left: 4px solid #CC1F1F;
    }

    .apply-section p {
      font-size: 18px;
      color: #555;
      line-height: 1.5;
      margin-bottom: 10px;
    }

    .btn-apply {
      width: 100%;
      background: #111;
      color: #fff;
      border: none;
      border-radius: 6px;
      padding: 14px;
      font-size: 18px;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      cursor: pointer;
      transition: background 0.15s;
    }

    .btn-apply:hover {
      background: #333;
    }

    .login-footer {
      margin-top: 1.25rem;
      font-size: 16px;
      color: #AAA;
      line-height: 1.6;
      text-align: center;
    }

    .login-footer a {
      color: #888;
      text-decoration: underline;
      cursor: pointer;
    }

    /* ---- BOTTOM BAR ---- */
    .bottombar {
      background: #000;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 12px 2.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-shrink: 0;
    }

    .bottombar-left {
      font-size: 11px;
      color: rgba(255, 255, 255, 0.3);
    }

    .bottombar-right {
      display: flex;
      gap: 20px;
    }

    .bottombar-right a {
      font-size: 11px;
      color: rgba(255, 255, 255, 0.3);
      text-decoration: none;
      cursor: pointer;
    }

    .bottombar-right a:hover {
      color: rgba(255, 255, 255, 0.6);
    }

    /* ---- LOADING SPINNER ---- */
    .btn-signin .spinner {
      display: none;
      width: 16px;
      height: 16px;
      border: 2px solid rgba(255, 255, 255, 0.3);
      border-top-color: #fff;
      border-radius: 50%;
      animation: spin 0.6s linear infinite;
    }

    .btn-signin.loading .spinner {
      display: block;
    }

    .btn-signin.loading .btn-text {
      display: none;
    }

    .btn-signin.loading .btn-icon {
      display: none;
    }

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

    /* ---- RESPONSIVE ---- */
    @media (max-width: 900px) {
      .page {
        flex-direction: column;
      }

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

      .left-panel::after {
        display: none;
      }

      .right-panel {
        width: 100%;
        padding: 2rem 2rem;
      }

      .watermark {
        display: none;
      }

      .panel-headline {
        font-size: 28px;
      }
    }

    @media (max-width: 480px) {
      .topbar {
        padding: 0 1rem;
      }

      .topbar-right {
        font-size: 13px;
        gap: 6px;
      }

      .topbar-right>i.ti-phone {
        display: none;
      }

      .left-panel {
        padding: 2rem 1.25rem;
      }

      .right-panel {
        padding: 1.5rem 1.25rem;
      }

      .bottombar {
        padding: 12px 1.25rem;
        flex-direction: column;
        gap: 8px;
        text-align: center;
      }

      .logo {
        font-size: 18px;
      }
    }

    .nav-icon-btn,
    .theme-btn {
      border: none;
      background: transparent;
      color: inherit;
      cursor: pointer;
      padding: 0.45rem;
      border-radius: 999px;
      transition: background 0.2s, color 0.2s, opacity 0.2s;
    }

    .nav-icon-btn:hover,
    .theme-btn:hover {
      opacity: 0.8;
      background: rgba(255, 255, 255, 0.08);
    }

    body.light {
      background: #F5F7FA;
      color: #111;
    }

    body.light .topbar,
    body.light .topnav {
      background: #fff;
      border-color: #E5E7EB;
      color: #111;
    }

    body.light .topbar-right,
    body.light .topnav-right {
      color: rgba(0, 0, 0, 0.65);
    }

    body.light .logo {
      color: #111;
    }

    body.light .logo span {
      color: #CC1F1F;
    }

    body.light a,
    body.light .nav-link {
      color: #111;
    }

    body.light .left-panel {
      background: #F5F5F5;
    }

    body.light .panel-headline {
      color: #111;
    }

    body.light .panel-sub {
      color: rgba(0, 0, 0, 0.5);
    }

    body.light .feature-text strong {
      color: #111;
    }

    body.light .feature-text span {
      color: rgba(0, 0, 0, 0.5);
    }

    body.light .btn-apply {
      background: #fff;
      color: #111;
      border: 1px solid #DDD;
    }

    body.light .btn-apply:hover {
      border-color: #CC1F1F;
      color: #CC1F1F;
    }

    body.light .bottombar {
      background: #fff;
      border-top-color: #E8E8E8;
    }

    body.light .bottombar-left {
      color: rgba(0, 0, 0, 0.4);
    }

    body.light .bottombar-right a {
      color: rgba(0, 0, 0, 0.4);
    }

    body.light .bottombar-right a:hover {
      color: #111;
    }

    body.light .nav-icon-btn,
    body.light .theme-btn {
      color: rgba(0, 0, 0, 0.4);
    }

    body.light .nav-icon-btn:hover,
    body.light .theme-btn:hover {
      color: #111;
      background: rgba(0, 0, 0, 0.04);
    }